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Literatura académica sobre el tema "Sensory Responsiveness"

Autor: Grafiati

Publicado: 10 de marzo de 2023

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Artículos de revistas sobre el tema "Sensory Responsiveness"

Feldman, Jacob, Margaret Cassidy, Yupeng Liu, Anne Kirby, Mark Wallace y Tiffany Woynaroski. "Relations between Sensory Responsiveness and Features of Autism in Children". Brain Sciences 10, n.º 11 (24 de octubre de 2020): 775. http://dx.doi.org/10.3390/brainsci10110775.

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Autism is a neurodevelopmental condition defined by differences in social communication and by the presence of restricted and repetitive patterns of behavior, interests, and activities (RRBs). Individuals with autism also commonly present with atypical patterns of sensory responsiveness (i.e., hyporesponsiveness, hyperresponsiveness, and sensory seeking), which are theorized to produce cascading effects across other domains of development. The purpose of this study was to examine differences in sensory responsiveness in children with and without autism (ages 8–18 years), as well as relations between patterns of sensory responsiveness and core and related features of autism. Participants were 50 children with autism and 50 non-autistic peers matched on age and sex. A comprehensive clinical battery included multiple measures of sensory responsiveness, core features of autism, adaptive behavior, internalizing behaviors, cognitive ability, and language ability. Groups significantly differed on all three patterns of sensory responsiveness. Some indices of core and related autism features were robustly associated with all three patterns of sensory responsiveness (e.g., RRBs), while others were more strongly associated with discrete patterns of sensory responsiveness (i.e., internalizing problem behaviors and hyperresponsiveness, language and sensory seeking). This study extends prior work to show that differences in sensory responsiveness that are linked with core and related features of autism persist in older children and adolescents on the spectrum.

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Bart, Orit, Tami Bar-Shalita, Hanin Mansour y Reuven Dar. "Relationships among Sensory Responsiveness, Anxiety, and Ritual Behaviors in Children with and without Atypical Sensory Responsiveness". Physical & Occupational Therapy In Pediatrics 37, n.º 3 (1 de julio de 2016): 322–31. http://dx.doi.org/10.1080/01942638.2016.1185504.

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Feldman, Jacob I., Sweeya Raj, Sarah M. Bowman, Pooja Santapuram, Alexandra J. Golden, Claire Daly, Kacie Dunham et al. "Sensory Responsiveness Is Linked With Communication in Infant Siblings of Children With and Without Autism". Journal of Speech, Language, and Hearing Research 64, n.º 6 (4 de junio de 2021): 1964–76. http://dx.doi.org/10.1044/2021_jslhr-20-00196.

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Purpose Differences in communication development impact long-term outcomes of children with autism. Previous research has identified factors associated with communication in children with autism, but much of the variance in communication skill remains unexplained. It has been proposed that early differences in sensory responsiveness (i.e., hyporesponsiveness, hyperresponsiveness, and sensory seeking) may produce “cascading effects” on communication. Evidence for this theory is limited, however, as relations between sensory responsiveness and communication in the earliest stages of development have not been well established. The purpose of this study was to evaluate (a) whether infants with a heightened likelihood of autism diagnosis (i.e., infants with an older sibling with autism) differ from infants at general population–level likelihood of autism (i.e., infants with an older, nonautistic sibling) on patterns of sensory responsiveness, (b) whether early sensory responsiveness is correlated with concurrent communication, and (c) whether the aforementioned between-groups differences and associations are moderated by age. Method Participants were 40 infants (20 infants with an older sibling with autism, 20 infants with an older, nonautistic sibling) aged 12–18 months. A series of observational and parent report measures of sensory responsiveness and communication skill were administered. Results Group differences in sensory responsiveness across the 12- to 18-month period were limited (i.e., only observed for one measure of hyporesponsiveness), though selected differences in sensory responsiveness (i.e., parent-reported hyperresponsiveness and sensory seeking) emerged between groups over this developmental window. Parent-reported hyporesponsiveness was unconditionally, negatively associated with communication skills. Associations between expressive communication and (a) parent-reported sensory seeking and (b) an observational measure of hyperresponsiveness were moderated by age. Conclusions This study provides new insights into the nature of sensory responsiveness and theorized links with communication skill in infants at elevated and general population–level likelihood of autism diagnosis. Further work is needed to better characterize the effects of interest in a larger sample spanning a wider age range. Supplemental Material https://doi.org/10.23641/asha.14515542

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Kuiper, Marieke WM, Elisabeth WM Verhoeven y Hilde M. Geurts. "The Dutch Glasgow Sensory Questionnaire: Psychometric properties of an autism-specific sensory sensitivity measure". Autism 23, n.º 4 (3 de agosto de 2018): 922–32. http://dx.doi.org/10.1177/1362361318788065.

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Sensory sensitivity is common in autistic people and since the Diagnostic and Statistical Manual of Mental Disorders (5th ed.), hypo- and hyper-responsiveness to sensory stimuli are part of one of the criteria domains for an autism spectrum disorder classification. For scientific research and the clinical practice, one needs reliable and valid questionnaires that measure sensory sensitivity and can distinguish between hypo- and hyper-responsiveness. We translated the Glasgow Sensory Questionnaire into Dutch. The aim was to examine the psychometric properties and the clinical use of the Dutch Glasgow Sensory Questionnaire in 78 autistic and 68 typically developing adults (18–45 years; IQ > 70). Just like the original Glasgow Sensory Questionnaire, the Dutch Glasgow Sensory Questionnaire is a reliable and valid questionnaire. The Dutch Glasgow Sensory Questionnaire had reliable hypo- and hyper-responsiveness subscales, reasonable to good modality subscales and was stable over time. Moreover, using the 95th percentile of the typically developing group as cut-off, we showed that two thirds of the autistic adults had heightened sensory sensitivity. We also showed that hypo- and hyper-responsiveness do co-exist in both autistic and typically developing adults. In sum, we conclude that the Dutch Glasgow Sensory Questionnaire is suitable to be used in scientific research as well as in the clinical practice.

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Woynaroski, Tiffany G., Cara Damiano, David Simon, Lisa Ibanez, Michael Murias, Mark Wallace, Wendy Stone y Carissa Cascio. "2091 Neurophysiological substrates and developmental sequelae of sensory differences in infants at high risk for autism spectrum disorder". Journal of Clinical and Translational Science 2, S1 (junio de 2018): 22. http://dx.doi.org/10.1017/cts.2018.101.

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OBJECTIVES/SPECIFIC AIMS: Background: Children with autism spectrum disorder (ASD) show a broad range of unusual responses to sensory stimuli and experiences. It has been hypothesized that early differences in sensory responsiveness arise from atypical neural function and produce “cascading effects” on development across a number of domains, impacting social and communication skill, as well as broader development in children affected by ASD. A primary challenge to confirming these hypotheses is that ASD cannot be definitely diagnosed in the earliest stages of development (i.e., infancy). A potential solution is to prospectively follow infants at heightened risk for ASD based on their status as infant siblings of children who are diagnosed. We examined the developmental sequelae and possible neurophysiological substrates of three different patterns of sensory responsiveness—hyporesponsiveness (reduced or absent responding to sensory stimuli) and hyperresponsiveness (exaggerated responding to sensory stimuli), as well as sensory seeking (craving of or fascination with certain sensory experiences). Infants at high risk (HR) for ASD were compared with a control group of infants at relatively lower risk for ASD (LR; siblings of children with typical developmental histories). Objectives: Research questions included: (a) Do HR infants differ from LR infants in early sensory responsiveness?, (b) Does sensory responsiveness predict future ASD and related symptomatology? and (c) Is sensory responsiveness predicted by resting brain states? METHODS/STUDY POPULATION: Methods: To answer these questions, we carried out a longitudinal correlational investigation in which 20 HR infants and 20 LR controls matched on sex and chronological age were followed over 18 months. At entry to the study, when infants were 18 months old, sensory responsiveness was measured using the Sensory Processing Assessment and the Sensory Experiences Questionnaire, and a number of putative neural signatures of early sensory differences were measured via resting state EEG. When infants were 24 and 36 months of age, ASD and related symptomatology was evaluated in a comprehensive diagnostic evaluation. RESULTS/ANTICIPATED RESULTS: Results: HR infants trended towards increased hyporesponsiveness and hyperresponsiveness and showed significantly elevated levels of sensory seeking relative to LR controls at 18 months of age. Both groups, furthermore, displayed a high degree of heterogeneity in sensory responsiveness. Atypical sensory responsiveness (increased hyperresponsiveness and/or hyporesponsiveness, as well as sensory seeking behavior) predicted several aspects of ASD and related symptomatology, including social, communication, and play skill, and was associated with differences in resting brain state, including metrics of oscillatory power, complexity, and connectivity, as well as hemispheric asymmetry. Moderation analyses revealed that several relations varied according to risk group, such that associations were stronger in magnitude in the HR Versus LR group. DISCUSSION/SIGNIFICANCE OF IMPACT: Conclusion: Findings provide empirical support for the notion that early sensory responsiveness may produce cascading effects on development in infants at heightened risk for ASD. Differences in resting brain states may underlie atypical behavioral patterns of sensory responsiveness. From a clinical standpoint, results suggest that early sensory differences may be useful for predicting developmental trajectories, and be potentially important targets for early preventive intervention, in infants at risk for autism.

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Bowen, M. F. "Post-diapause sensory responsiveness in Culex pipiens". Journal of Insect Physiology 36, n.º 12 (enero de 1990): 923–29. http://dx.doi.org/10.1016/0022-1910(90)90080-y.

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Meng, Yanfang y Jiaxue Zhu. "Low energy consumption fiber-type memristor array with integrated sensing-memory". Nanoscale Advances 4, n.º 4 (2022): 1098–104. http://dx.doi.org/10.1039/d1na00703c.

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To develop an artificial sensory nervous system, we use an ion-gel system and solve the issue that sensor units and memory units are separated and difficult to miniaturize and integrate. Consequently integrated responsiveness-storage external stimuli ability is achieved.

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Doig, Emmah J. y Amanda T. Lane-Brown. "Responsiveness of Instruments to Assess Disorders of Consciousness: A Literature Review". Brain Impairment 13, n.º 3 (diciembre de 2012): 285–315. http://dx.doi.org/10.1017/brimp.2012.29.

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Objectives: To summarise available evidence for responsiveness of six key assessments used with patients with disorders of consciousness: Coma Recovery Scale – Revised (CRS-R), Disorders Of Consciousness Scale (DOCS), Sensory Modality Assessment and Rehabilitation Technique (SMART), Sensory Stimulation Assessment Measure (SSAM), Wessex Head Injury Matrix (WHIM), and the Western Neuro Sensory Stimulation Profile (WNSSP).Method: A literature search of five electronic databases was conducted using a systematic search strategy. Relevant literature was evaluated and pertinent information extracted.Results: Database searches using key terms initially yielded 132 articles. Following review for inclusion identified 24 articles. No studies were specifically designed to investigate responsiveness of any of the measures and therefore responsiveness data were either based on statistical significance of change post-treatment or descriptive analysis of change scores. The majority of studies identified used the CRS-R (n= 11), WHIM (n= 5) and WNSSP (n= 6) and have established responsiveness to change. There is some preliminary evidence for the responsiveness of the other measures, based on very few available studies: DOCS (n= 2), SMART (n= 1) or SSAM (n= 1).Conclusion: Future studies should seek to include responsiveness analysis, particularly in relation to the DOCS, SMART and SSAM.

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LAWLESS, HARRY T., MICHAEL J. ANTINONE, RICHARD A. LEDFORD y MARY JOHNSTON. "OLFACTORY RESPONSIVENESS TO DIACETYL". Journal of Sensory Studies 9, n.º 1 (marzo de 1994): 47–56. http://dx.doi.org/10.1111/j.1745-459x.1994.tb00229.x.

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Baldridge, William H., Reto Weiler y John E. Dowling. "Dark-suppression and light-sensitization of horizontal cell responses in the hybrid bass retina". Visual Neuroscience 12, n.º 4 (julio de 1995): 611–20. http://dx.doi.org/10.1017/s0952523800008907.

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AbstractThe responsiveness of luminosity-type horizontal cells, recorded intracellularly from isolated hybrid bass retinas, decreased after superfusion for 2 h in constant darkness. Responsiveness was subsequently increased (light-sensitized) up to 10-fold after exposure to several short (~0.5 min) periods of continuous illumination. The increase in horizontal cell responsiveness following light-sensitization was due to an increase of peak response amplitude rather than a reduction of peak response time. The increased responsiveness after light-sensitization was intensity-dependent with brighter sensitizing stimuli causing a greater increase than dimmer stimuli. The extent of LHC dark-suppression was affected by the time of day, being greater when induced during the night than during the day. However, there was no significant difference in horizontal cell responsiveness after light-sensitization in retinas studied during the night compared to those studied during the day The responsiveness of light-sensitized horizontal cells from isolated hybrid bass retinas was found to be suppressed by relatively brief periods of darkness. The responsiveness of horizontal cells, that were first light-sensitized, decreased by more than 50% following only 5 min of darkness. Suppression of light-sensitized horizontal cell responsiveness after such a short time in the dark has not been described in other teleost retinas. The suppression of light-sensitized horizontal cell responsiveness in hybrid bass retinas may be rapid in comparison to other teleosts.

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Más fuentes

Tesis sobre el tema "Sensory Responsiveness"

Dong, Xiao-Wei. "Analgesics, anaesthetics and spinal sensory responsiveness". Thesis, University of Bristol, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.303783.

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Tazir, Bassim [Verfasser] y Frank [Akademischer Betreuer] Zufall. "Odorant responsiveness of mouse olfactory sensory neurons / Bassim Tazir ; Betreuer: Frank Zufall". Saarbrücken : Saarländische Universitäts- und Landesbibliothek, 2017. http://d-nb.info/1141176009/34.

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Sleigh, Merry J. "The effects of augmented prenatal visual stimulation on postnatal perceptual responsiveness in Bobwhite quail". Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-03242009-040747/.

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Reynolds, Gregory Durelle. "Effects of Prenatal Sensory-Evoked Arousal on Postnatal Behavior and Perceptual Responsiveness in Bobwhite Quail (Colinus virginianus)". Diss., Virginia Tech, 2002. http://hdl.handle.net/10919/27556.

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Prenatal sensory stimulation can have facilitative or interfering effects upon subsequent perceptual learning and development in bobwhite quail. Exposure to moderate amounts of unimodal prenatal sensory stimulation has been shown to accelerate early intersensory responsiveness, while exposure to concurrent prenatal bimodal sensory stimulation has been shown to interfere with perceptual learning and development. An immediate mechanism that may underlie this developmental intersensory interference is the arousal level of the organism associated with exposure to prenatal bimodal stimulation. Concurrent bimodal stimulation is known to elicit significantly higher levels of behavioral arousal and heart rate in bobwhite quail embryos. This study investigated the possibility that increased arousal associated with prenatal bimodal stimulation could have enduring effects upon subsequent postnatal behavioral organization and perceptual abilities in bobwhite quail. Subjects were exposed to one of three prenatal stimulation regimes: (a) concurrent bimodal (auditory/visual) stimulation, (b) unimodal auditory stimulation, or (c) no supplemental stimulation. Chicks exposed to concurrent prenatal bimodal stimulation demonstrated significantly greater levels of behavioral activity as well as decreased social behavior in the open-field when compared to unimodal auditory subjects and controls. Additionally, prenatal bimodal exposure may have led to a failure to utilize multimodal maternal cues in determining species-specific perceptual preferences in the days following hatching. All exposure groups demonstrated postnatal auditory learning of a maternal call, thus no interference effect was found for concurrent prenatal bimodal stimulation on postnatal auditory learning. These results suggest that concurrent prenatal bimodal stimulation has enduring effects upon postnatal behavioral arousal that may impact perceptual responsiveness of bobwhite quail in the days following hatching.
Ph. D.

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Marshall-Baker, Anna. "The effect of a visual stimulus on behavioral state and visual responsiveness in preterm infants". Diss., Virginia Tech, 1991. http://hdl.handle.net/10919/37755.

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Honeycutt, Hunter Gibson. "The Influence of Enhanced Tactile and Vestibular Sensory Stimulation on Subsequent Auditory and Visual Responsiveness: A Matter of Timing". Diss., Virginia Tech, 2002. http://hdl.handle.net/10919/27607.

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The fact that sensory modalities do not become functional at the same time raises the question of how sensory systems and their particular experiential histories might influence one another. Few studies have addressed how modified stimulation to earlier-emerging modalities might influence the functioning of relatively later-developing modalities. Previous findings have shown that enhanced prenatal tactile and vestibular (proximal) stimulation extended and delayed normal patterns of auditory and visual responsiveness to species-typical maternal cues in bobwhite quail respectively. Although these results were attributed to the increased amount of sensory stimulation, these results may be a function of when prenatal augmented proximal exposure took place. To address this issue the present study exposed groups of bobwhite quail embryos to equivalent amounts of augmented tactile and vestibular stimulation either at a time when a later-emerging modality (auditory or visual) was beginning to functionally emerge or when it had already functionally emerged. Results indicate that differences in the timing of augmented tactile and vestibular stimulation led to differences in subsequent auditory and visual responsiveness. Embryos were unable to learn a maternal call prior to hatching when enhanced proximal stimulation coincided with auditory functional emergence implicating a deficit in auditory functioning, but did learn a maternal call when enhanced proximal stimulation occurred after auditory functional emergence. Augmented proximal stimulation that coincided with visual functional emergence did not appear to influence normal visual responsiveness, but when proximal stimulation occurred after visual emergence, chicks displayed an accelerated approach response to species-typical visual cues. These findings support the view that the timing of enhanced stimulation to earlier-emerging modalities is important, and have meaningful implications for intersensory theory and research.
Ph. D.

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Hashmi, А. y А. Kalashnikov. "Comparison of the responsiveness of ultrasonic oscillating temperature sensors (UOTSes) and conventional sensors to temperature inflection". Thesis, Sumy State University, 2017. http://essuir.sumdu.edu.ua/handle/123456789/55751.

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Ultrasonic oscillating temperature sensors (UOTSes), in distinction to conventional temperature sensors, feature almost negligible settling time. This property can be useful for detecting malfunctions, failures and misuses of heat exchangers. However, most exchangers handle substantial thermal masses, which obscure the detection of any temperature changes. We compared the responsiveness of conventional DS18B20 sensors and an UOTS to the change in the temperature gradient of over 3.5 kg of water using a posteriori records. Temperature inflection points were estimated by extending the curves for separate distinct heating and cooling intervals that fit best and finding their interception. For the UOTS, the interception occurred about 100 seconds sooner, making it a potential candidate for detecting heat exchangers’ irregularities.

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Karagiannopoulos, Christos. "RESPONSIVENESS OF THE ACTIVE WRIST JOINT POSITION SENSE TEST FOLLOWING DISTAL RADIUS FRACTURE INTERVENTION". Diss., Temple University Libraries, 2014. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/303494.

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Kinesiology
Ph.D.
The primary purpose of this study was to determine the responsiveness of the active wrist joint position sense (JPS) test to detect wrist sensori-motor status change at 8 and 12 weeks following distal radius fracture (DRF) treatment intervention. Responsiveness, defined as the instrument's ability to accurately detect change, was analyzed via distribution- and anchor-based statistical methods. Distribution-based analysis encompassed both group- (i.e., effect size [ES], standardized response mean [SRM]) and individual-based (i.e., minimum detectable change [MDC]) statistical indices. Anchor-based analysis was used to determine the minimal clinically important deficit (MCID) value by linking active wrist JPS test scores to Patient Global Impression of Change (PGIC) scale values. The secondary purposes of the study were to: 1) compare the active wrist JPS test responsiveness as reflected by its MCID value between non-surgical and surgical DRF treatment interventions, 2) compare the active wrist JPS test responsiveness as reflected by its MCID value between participants with high- and low-pain levels, 3) compare the active wrist JPS test scores between participants with high- and low-pain levels, 4) assess the relationship between active wrist JPS test MCID value and function, and 5) determine the intra-tester reliability of the PGIC scale for assessing global health status change following DRF treatment intervention. A prospective cohort study design was utilized. Thirty-three participants between 25 and 90 (mean 59.72) years of age following any non-surgical and surgical DRF treatment intervention were recruited. The active wrist JPS test was determined to be highly responsive based on group-based statistical indices (ES [8 weeks = 1.53, and 12 weeks = 2.36] and SRM [8 weeks = 1.57, and 12 weeks = 2.14]). Statistically significant MDC values were 4.28 and 4.94 deg at 8 and 12 weeks following treatment initiation, respectively. Clinically meaningful MCID values at 8 and 12 weeks were 5.00 and 7.09 deg, respectively. Responsiveness levels were not significantly different between the two treatment and pain-level groups at 8 and 12 weeks post DRF treatment intervention. High-pain participants demonstrated significantly greater JPS deficits at both 8 and 12 weeks, and a significant association existed between active wrist JPS test MCID value and function. The PGIC scale intra-tester reliability was found to be high (ICC = 0.97). Based on this study's findings, clinicians can use this highly responsive test with confidence to measure statistically and clinically meaningful conscious wrist sensori-motor function change following DRF treatment.
Temple University--Theses

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Sick, Julia. "The role of emotions, personality traits, and sensory sensitivity in preadolescents’ food preferences". Doctoral thesis, 2022. http://hdl.handle.net/2158/1266417.

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Given the rise of food products targeted at children and the need of healthier products to combat the global rise of childhood obesity, children take an important role in nowadays’ consumer testing. Although children between 4-11 years are already able to perform a range of consumer tests similar to adults, the assessment of children’s food preferences requires engaging and age-appropriate methods. Emotions have been shown to give additional information about food products compared to hedonic measurements, however, they are understudied in children. Growing interest for emoji to measure consumer’s product-elicited emotions emerged in the field of sensory and consumer science over the past years. However, previous studies often selected emoji without the consideration of how emoji are interpreted by preadolescents regarding their semantic and dimensional meanings. Moreover, research found associations between personality traits, taste responsiveness and food preferences, which constitutes another understudied topic in emotion research with children. Understanding this relationship could further help to understand factors influencing preadolescents’ food preferences. To tackle this problem, the aim of the PhD thesis was to develop an emoji-based self-report questionnaire, the Emoji Pair Questionnaire, for preadolescents consisting of a food-specific emoji list with identified emotional meaning and to validate and apply the tool to test its discriminant ability in response to food. A further aim was to investigate individual differences in emotional responses to foods by clustering children according to patterns of emotional responses and by testing the clusters for differences in personality traits, 6-n-propylthiouracil (PROP) status and sensory responsiveness to basic tastes. A total of 711 children (9-13-y.o.) participated in seven studies, which attended primary and secondary school classes in schools based in Italy (n=454, Study 1-5) and Norway (n=257, Study 6 and 7). Study 1 identified 46 of 92 emoji as food-related and relevant for children to describe their emotions in response to food experiences. Study 2, that used projective mapping, showed that emoji were discriminated along three dimensions, that were interpreted as valence, power, and arousal. Results of Study 3 and 4, that used the Check-All-That-Apply method with emoji and emotion words respectively, were congruent in linking emoji and emotions words. Positive emoji were described by more words in general, which could be xii explained by the context dependent use of emoji, which was clarified in Study 5 (qualitative interviews). Emoji expressing similar semantic and dimensional meanings were grouped in pairs of two, based on the idea that the grouping of the two emoji with the most similar semantic and dimensional meaning allows to better identify the overall meaning of the emoji pair. Emoji with ambiguous meaning were excluded. Finally, the Emoji Pair Questionnaire contained a reduced list of 17 emoji pairs (n=34 emoji) varying in valence, power, and arousal dimension. Italian and Norwegian preadolescents were found to describe emoji with overlapping emotional meaning (Study 6), which allowed the validation and application of the Emoji Pair Questionnaire in Norway. Findings of Study 7 showed that emoji pairs varied between food categories and were able to discriminate between familiar foods despite similar liking. Emoji also discriminated significantly among food products despite similar liking within the food categories of vegetables and desserts/juices, but not within the fruit category. The tasted samples (grapefruit juice spiked with sucrose) differed in liking and in associated emoji. Children were classified into three clusters according to their emotional patterns in Principal Component Analysis. The three clusters differed also in liking, surprise, sensitivity to reward, responsiveness to sweet, sour, and ability to discriminate between food samples. The findings obtained in this PhD thesis illustrate that the newly developed Emoji Pair Questionnaire can be used to not only understand children’s food behavior but also to develop novel products targeted at specific clusters of children considering their individual differences in emotions, personality traits and sensory responsiveness by providing target-specific products.

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Lima, Mariely Gestosa de. "Responsiveness of children with PIMD: two new lines in the study of sensory stimulation". Doctoral thesis, 2012. https://repositorio-aberto.up.pt/handle/10216/80159.

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Libros sobre el tema "Sensory Responsiveness"

Orpen, Beverly Gail. Sensory and hormonal influences on maternal responsiveness in the laboratory rat. 1986.

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Mason, Peggy. Perceiving the World. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780190237493.003.0014.

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As exemplified by sensory illusions, perception is interpretative rather than faithfully representational of the changes in the world. All perceptual pathways involve stimulus transduction, transmission, and modulation before sensory events are coded by the nervous system. The set of stimuli that humans respond to are a subset of the stimuli that elicit reactions across the animal kingdom. The brain processes visual, auditory, mechanical, and vestibular stimuli by breaking stimuli into their sinusoidal components for neuronal processing. The probabilistic response of sensory receptors to stimulation within a receptive field is described. A fundamental property of sensory perception is responsiveness to a wide range of stimulus intensities over several orders of magnitude. Yet, at any one time, the response to a stimulus is proportional to the background level of stimulation. The concept of labeled line sensory transmission is described, and the reality of multimodal integration is revealed through examples.

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Capítulos de libros sobre el tema "Sensory Responsiveness"

Barth, Friedrich G. "Spider Courtship: Male Vibrations, Female Responsiveness and Reproductive Isolation". En Sensory Systems and Communication in Arthropods, 161–66. Basel: Birkhäuser Basel, 1990. http://dx.doi.org/10.1007/978-3-0348-6410-7_28.

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Narici, L. y M. Peresson. "A New Procedure to Discriminate and Study Different Rhythmical Cortical Activities on the Basis of their Responsiveness to Simple Sensory Stimulation". En Biomag 96, 967–70. New York, NY: Springer New York, 2000. http://dx.doi.org/10.1007/978-1-4612-1260-7_236.

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"Prenatal Ontogeny of Sensory Responsiveness and Learning". En Comparative Psychology, 602–17. Routledge, 1998. http://dx.doi.org/10.4324/9780203826492-82.

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Edgerton, V. Reggie, Roland R. Roy, Daniel C. Lu y Yury Gerasimenko. "Animal models of damage, repair, and plasticity in the spinal cord". En Oxford Textbook of Neurorehabilitation, 135–47. Oxford University Press, 2015. http://dx.doi.org/10.1093/med/9780199673711.003.0013.

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Sensorimotor function can improve for years, even after a spinal cord injury (SCI). We also know that an effective intervention that can improve motor function is re-engagement of the spinal neural networks and that this regularity in re-engagement is fundamental to learning within the activated sensorimotor circuits. Several interventions have been developed allowing individuals with a SCI to re-engage sensorimotor circuits. These interventions enable spinal neural circuits to neuromodulatethe level of excitability closer to a near motor threshold state.This is because of the built-in level of automaticity within the spinal circuits that then is translated into motor commands specified by the sensory input. Another increasingly apparent feature of the spinal circuitry is the highly integrated nature of multiple physiological systems linked to load bearing sensory input. Thus it is clear that multiple physiological systems are highly responsive to activity-dependent interventions after a severe SCI and that this responsiveness can persist for years post-injury.

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Freund, Patrick, V. Reggie Edgerton, Roland R. Roy, Daniel C. Lu y Yury Gerasimenko. "Animal models of damage, repair, and plasticity in the spinal cord". En Oxford Textbook of Neurorehabilitation, editado por Volker Dietz, Nick S. Ward y Christopher Kennard, 155–68. Oxford University Press, 2020. http://dx.doi.org/10.1093/med/9780198824954.003.0013.

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Sensorimotor function can improve for years, even after a spinal cord injury (SCI). We also know that an effective intervention that can improve motor function is re-engagement of the spinal neural networks through supraspinal control and that this regularity in re-engagement is fundamental to learning within the activated sensorimotor circuits. Several interventions, ranging from monoclonal antibodies against neurit outgrowth inhibitors to epidural electrical stimulation, have been developed allowing individuals with a SCI to re-engage sensorimotor circuits. These interventions enable spinal neural circuits to neuromodulate the level of excitability closer to a near motor threshold state. This is because of the built-in level of automaticity within the spinal circuits that then is translated into motor commands specified by the sensory input. Another increasingly apparent feature of the spinal circuitry is the highly integrated nature of multiple physiological systems linked to load bearing sensory input. Thus, it is clear that multiple physiological systems are highly responsive to activity-dependent interventions after a severe SCI and that this responsiveness can persist for years post-injury and be therapeutically modulated.

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Kim, Brian A. y Timothy Furnish. "Complex Regional Pain Syndrome". En Neuropathic Pain, editado por Brian A. Kim y Timothy Furnish, 295–308. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780190298357.003.0034.

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Complex regional pain syndrome (CRPS) is a challenging pain condition with incompletely elucidated pathophysiology, most often affecting a single extremity after an inciting injury. The most common clinical finding is burning pain out of proportion to any identifiable initiating event, with a combination of sensory, vasomotor, sudomotor, and motor/trophic signs and symptoms. The management of CRPS emphasizes early diagnosis and aggressive multimodal treatment based on physical therapy, psychological therapy, and pain management with frequent reassessments of patient progression. In order to prevent permanent life-altering disability, all modalities including interventional therapies should be escalated in tandem, based on assessments of patient responsiveness. Clinicians should consider escalating therapy frequently if no improvement is observed, and introducing psychological evaluation if symptoms persist. Lastly, the use of interventional techniques such as sympathetic blocks or spinal cord stimulation should be employed early in refractory cases.

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Stensæth, Karette y Bjørn Kruse. "Nuets responsivitet – når det fremmede og det uperfekte setter premissen! Et filosofisk essay om musikalsk improvisasjon". En Musikkfilosofiske tekster. Tanker om musikk og språk, tolkning, erfaring, tid, klang, stillhet m.m., 285–99. Cappelen Damm Akademisk/NOASP, 2020. http://dx.doi.org/10.23865/noasp.115.ch15.

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As we improvise in music and become increasingly engrossed in the activity, we are intuitively engaged in a playful negotiation of various aesthetic possibilities in the Now. We are in a state where random impulses and irrational, unintentional actions become key premise providers along with everything we have learned through knowledge and experience. This essay reflects on the responsiveness of the Now in musical improvisation. We ask: What does the experience of the Now offer? Does it come with any kind of ethics and accountability and, if so, what kind and to whom does it apply? In our elaborations we are influenced by our own experiences of, and reflections on, compositional and music therapeutic practice. We refer to the theory of musical improvisation and early interaction, and also philosophical texts, especially those by Mikhail Bakhtin. We suggest that the responsiveness of the Now in musical improvisation is a mindset that challenges us both ethically and aesthetically. It does so by seeking creative satisfaction, joy and insight, taking shape through sensory perception that is close to intuition, mimesis and imagination. Its meaning remains unfinalised and foreign to us. It is also risky and is situated on the boundary between music and performer, between performer and other performers, and between the past and future of our actions. The ideal is to strive for a Now that can be experienced as the right now but also as a Now that suits the responses we try to find room for when we improvise.

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"Bio-Mediated Synthesis of Nanomaterials for Electrochemical Sensor Applications". En Materials Research Foundations, 224–62. Materials Research Forum LLC, 2021. http://dx.doi.org/10.21741/9781644901571-8.

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The bio-mediated nanomaterials have expected growing responsiveness due to an increasing requirement to develop naturally nonthreatening technologies in nanomaterial synthesis. Biotic ways to prepare nanomaterials through extracts from the plant (includes stems, leaves, flowers, and roots) and microorganisms were recommended as likely replacements for physical and chemical routes due to their solvent medium and environment eco-friendliness and nontoxicity. This chapter focuses on electrocatalyst prepared by various bio-mediated synthetic ways and used as a green and eco-friendly electrocatalyst to recognize extensive chemical and biologically essential molecules with improved selectivity and sensitivity with low detection limit. The bio-mediated nanocomposite formation processes and their unique properties surface functionalization and electron transfer mechanism discussed in connection with the design and fabrication of sensors. As a final point, the encounters and prospects in developing bio-mediated nanomaterials-based electrochemical sensing technology was outlined.

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Pugh, Jonathan y David Chandler. "Correlation: Registers of Change". En Anthropocene Islands: Entangled Worlds, 109–40. University of Westminster Press, 2021. http://dx.doi.org/10.16997/book52.d.

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Chapter 4 analyses how Correlation approaches maintain a knowing human subject and a world of patterned regularity amenable to policy intervention. Here, the island emerges as a ‘correlational technology’ where changes are seen as early indicators of climate change. Central however, is an (onto)epistemology of inter-relation and correlation rather than one of linear cause-and-effect: we move from a temporal and spatial line of movement to one of synchronicity. Correlational modes are deployed for sensing global warming, rising sea levels and other shifting planetary conditions. As islands are reinterpellated as ‘living laboratories’, the authors argue that the island is seen as enabling the generation of onto-epistemologies operating on correlative not causal principles. In addition to such correlational practices as the evolutionary patterns of island life, there is the widespread celebration of Indigenous islanders’ correlational abilities, useful in the ‘forecasting of extreme weather conditions’. Such approaches have received a high-tech boost in the Anthropocene, taking the algorithmic form of the, ‘if this … then that’ logic associated with Big Data, the Internet of Things and the trope of the ‘smart island’. Here, prolific use of Big Data combined with extensive networks of sensors or tracking social media on islands enables rapid policy responsiveness. The authors demonstrate how working with islands as sites for understanding relational entanglements and feedbacks plays an important role in the generation and exponential development of Correlational onto-epistemologies in broader Anthropocene thinking.

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Actas de conferencias sobre el tema "Sensory Responsiveness"

Guerreiro, Jose, Joseph C. Jackson y James F. C. Windmill. "Enhancing Acoustic Sensory Responsiveness by Exploiting Bio-inspired Feedback Computation". En ICASSP 2019 - 2019 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). IEEE, 2019. http://dx.doi.org/10.1109/icassp.2019.8682831.

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Nankali, Amir y Karl Grosh. "Stability and Bifurcation Analysis of a Nonlinear Cochlear Model". En ASME 2014 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/detc2014-35657.

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Hearing relies on a series of coupled electrical, acoustical (fluidic) and mechanical interactions inside the cochlea that enable sound processing. The stability of the cochlea is studied using a nonlinear, micromechanical model of the organ of Corti (OoC) coupled to the electrical potentials in the cochlear ducts. The OoC is part of the mammalian cochlea that contains auditory sensory cells that both identify fluid-born vibrations in the cochlea and amplify the cycle-by-cycle motions of the cochlear structures. This process occurs through local resonance of the OoC system. In the mammalian cochlea, an active process accounts for the ear’s exquisite sensitivity and its remarkable responsiveness for a range of frequencies and intensities. Numerical and analytical techniques are utilized to examine the stability of this system. It is observed that the cochlear active process, controls the stability. We show that instability in this model is generated through a supercritical Hopf bifurcation. Furthermore, a reduced order model of the system is approximated and it is shown that the tectorial membrane (TM) transverse mode effect on the dynamics is significant while the radial mode can be simplified from the equations. We compare the cross sectional model with the comprehensive 3-dimensional model of the cochlea. It is indicated that the global model qualitatively inherits some characteristics of the local model, but the longitudinal coupling along the cochlea enhances stability (i.e., shifts the Hopf bifurcation point).

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Gupta, Aashi, Neha Sakhuja, Ravindra Jha y Navakanta Bhat. "Giant Humidity Responsiveness of Platinum Functionalized WS2 Nanosheet Based Chemiresistors". En 2020 IEEE SENSORS. IEEE, 2020. http://dx.doi.org/10.1109/sensors47125.2020.9278608.

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Agogino, Alice, Hae Young Jang, Vivek Rao, Ritik Batra, Felicity Liao, Rohan Sood, Irving Fang, R. Lily Hu, Emerson Shoichet-Bartus y John Matranga. "Dynamic Placement of Rapidly Deployable Mobile Sensor Robots Using Machine Learning and Expected Value of Information". En ASME 2021 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/imece2021-70759.

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Abstract Although the Industrial Internet of Things has increased the number of sensors permanently installed in industrial plants, there will be gaps in coverage due to broken sensors or sparse density in very large plants, such as in the petrochemical industry. Modern emergency response operations are beginning to use Small Unmanned Aerial Systems (sUAS) that have the ability to drop sensor robots to precise locations. sUAS can provide longer-term persistent monitoring that aerial drones are unable to provide. Despite the relatively low cost of these assets, the choice of which robotic sensing systems to deploy to which part of an industrial process in a complex plant environment during emergency response remains challenging. This paper describes a framework for optimizing the deployment of emergency sensors as a preliminary step towards realizing the responsiveness of robots in disaster circumstances. AI techniques (Long short-term memory, 1-dimensional convolutional neural network, logistic regression, and random forest) identify regions where sensors would be most valued without requiring humans to enter the potentially dangerous area. In the case study described, the cost function for optimization considers costs of false-positive and false-negative errors. Decisions on mitigation include implementing repairs or shutting down the plant. The Expected Value of Information (EVI) is used to identify the most valuable type and location of physical sensors to be deployed to increase the decision-analytic value of a sensor network. This method is applied to a case study using the Tennessee Eastman process data set of a chemical plant, and we discuss implications of our findings for operation, distribution, and decision-making of sensors in plant emergency and resilience scenarios.

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Yang, Fan, Svetlana A. Sukhishvili, Henry Du y Fei Tian. "In-situ study of pH-responsiveness of polyelectrolytes using long-period fiber gratings (Conference Presentation)". En Fiber Optic Sensors and Applications XIV, editado por Henry H. Du, Christopher S. Baldwin y Gary Pickrell. SPIE, 2017. http://dx.doi.org/10.1117/12.2262852.

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Fletcher, Richard y Muthu Chandrasekaran. "SmartBall™: A New Approach in Pipeline Leak Detection". En 2008 7th International Pipeline Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/ipc2008-64065.

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Early detection of leaks in hazardous materials pipelines is essential to reduce product loss and damage to the environment. Small undetected leaks can result in very high clean-up costs and have the potential to grow to more serious failures. There are a variety of methods that can detect leaks in pipelines, ranging from manual inspection to advanced satellite based imaging. Typically, most operators opt for a combination of CPM where available, and direct observation methodologies including aerial patrols, ground patrols and public awareness programs that are designed to encourage and facilitate the reporting of suspected leaks. Permanent monitoring sensors based on acoustic or other technologies are also available. These methods can be costly, and none can reliably detect small leaks regardless of their location in the line. SmartBall is a radical new approach that combines the sensitivity of acoustic leak detection with the 100% coverage capability of in-line inspection. The free-swimming device is spherical and smaller than the pipe bore allowing it to roll silently through the line and achieve the highest responsiveness to small leaks. It can be launched and retrieved using conventional pig traps, but its size and shape allow it to negotiate obstacles that could otherwise render a pipeline unpiggable. The SmartBall technology was originally developed and successfully implemented for the water industry, and now refined for oil and gas pipelines over 4-inches in diameter. SmartBall has been proven capable of detecting leaks in liquid lines of less than 0.1 gallons per minute where conventional CPM methods can detect leaks no smaller than 1% of throughput. Development work is continuing to reduce the detection threshold still further. Whereas traditional acoustic monitoring techniques have focused on longitudinal deployment and spacing of acoustic sensors, the SmartBall uses only a single acoustic sensor that is deployed inside the pipeline. Propelled by the flow of product in the pipeline, the device will record all noise events as it traverses the length of the pipeline. This allows the acoustic sensor to pass in very close proximity to any leak whereby the sensor can detect very small leaks, whose noise signature can be clearly distinguished from any background noise.

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Duc, Caroline, Alexis Vlandas, George G. Malliaras y Vincent Senez. "Study of the electro-responsiveness and surface texturing of PEDOT:PSS for smart MEMS interface applications". En 2017 19th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS). IEEE, 2017. http://dx.doi.org/10.1109/transducers.2017.7994317.

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Dawson, Chris, Stuart Inkpen, Chris Nolan y David Bonnell. "A New Approach to Pipeline Leak Detection Using Electromagnetic Sensing". En 2016 11th International Pipeline Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/ipc2016-64371.

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Many different approaches have been adopted for identifying leaks in pipelines. Leak detection systems, however, generally suffer from a number of difficulties and limitations. For existing and new pipelines, these inevitably force significant trade-offs to be made between detection accuracy, operational range, responsiveness, deployment cost, system reliability, and overall effectiveness. Existing leak detection systems frequently rely on the measurement of secondary effects such as temperature changes, acoustic signatures or flow differences to infer the existence of a leak. This paper presents an alternative approach to leak detection employing electromagnetic measurements of the material in the vicinity of the pipeline that can potentially overcome some of the difficulties encountered with existing approaches. This sensing technique makes direct measurements of the material near the pipeline resulting in reliable detection and minimal risk of false alarms. The technology has been used successfully in other industries to make critical measurements of materials under challenging circumstances. A number of prototype sensors were constructed using this technology and they were tested by an independent research laboratory. The test results show that sensors based on this technique exhibit a strong capability to detect oil, and to distinguish oil from water (a key challenge with in-situ sensors).

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Liu, Fei, Fang Li, Ali Khademhosseini y Ioana Voiculescu. "Multiparametric MEMS Biosensors With Integrated Impedance Spectroscopy and Gravimetric Measurements for Water Toxicity Sensing". En ASME 2013 2nd Global Congress on NanoEngineering for Medicine and Biology. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/nemb2013-93034.

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This paper presents the design, fabrication and characterization of a novel multiparametric microelectromechanical (MEMS) biosensor based on live mammalian cells with capabilities of sensing the toxicity of field water with minimized false-positive rate. This biosensor combines two biosensing techniques, resonant frequency measurements and electric cell-substrate impedance sensing (ECIS) on a single chip. The sensor is based on the innovative placement of the working microelectrode for ECIS technique as the upper electrode of a quartz crystal microbalance (QCM) resonator. This multiparametric biosensor was characterized with bovine aortic endothelial cells (BAECs). Toxicity tests to study BAECs responsiveness to health-threatening concentrations of ammonia in de-ionized water as a toxicant model will also be presented. The increase of the resonant frequency and decrease of impedance of the biosensor indicated the detachment of cells as a result of toxicant stimulation of ammonia solution. These gravimetric and impedimetric measurements on the same cell monolayer demonstrate that the multiparametric biosensor is able to perform two types of measurements simultaneously and this sensor can successfully be tested with drinking water containing toxicants.

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Liu, Fei, Tingting Chen, Xudong Zhang, Fang Li y Ioana Voiculescu. "Study of Long Term Viability of Endothelial Cells on Biochip for Rapid and Reliable Water Toxicity Measurements". En ASME 2013 2nd Global Congress on NanoEngineering for Medicine and Biology. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/nemb2013-93035.

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Measuring water toxicity is a lengthy process, and rapid analytical methods are limited. A complementary approach is to measure water toxicity on live cells via electric cell-substrate impedance sensing (ECIS) using a field portable device. This paper presents a study of the longevity of bovine aortic endothelial cell (BAECs VEC Technologies, Rensselaer, NY) by integrating a microfluidic device onto the ECIS sensors. This microfluidic chamber with a network of tree-like perfusion microfluidic channels for cell media delivery to the culturing chamber was fabricated from a biocompatible polymer and tested for longevity studies. This perfusion microchannels were designed as a symmetric arbor with binary splitting to provide equal flow in all the perfusion channels. The microdimensions of the perfusion channels provide high flow resistance, thus carrying low flow rates for a given head pressure and generating low shear stress to the cells during the long-time cell attachment and proliferation period. With such a microfluidic device, cell media can be automatically and evenly perfused into the culturing chamber and no significant shear stress produced by media perfusion was observed. During the longevity study, the BAECs were able to survive in good health for longer than one month. Toxicity tests to study the BAECs responsiveness to health-threatening concentrations of ammonia using the microfluidic ECIS sensor will be also presented. Using impedance spectroscopy technique we demonstrated the BAECs can rapidly respond to ammonia concentrations between the military exposure guideline of 2mM and human lethal concentration of 55mM. The BAECs monolayer represent the most important component of a biosensor for testing water toxicity in the field. This research concluded that the BAECs could resist at least 34 days on the microfluidic chip and demonstrate high values of cell membrane impedance during long period of time.

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