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Journal articles on the topic 'THRESHOLD SENSITIVE'

Author: Grafiati

Published: 11 September 2023

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1

Sala, Gianluca, Camilla Lanfranconi, Paolo Frattini, Giulia Rusconi, and Giovanni B. Crosta. "Cost-sensitive rainfall thresholds for shallow landslides." Landslides 18, no. 9 (2021): 2979–92. http://dx.doi.org/10.1007/s10346-021-01707-4.

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AbstractThe risk management of rainfall-induced landslides requires reliable rainfall thresholds to issue early warning alerts. The practical application of these thresholds often leads to misclassifications, either false negative or false positive, which induce costs for the society. Since missed-alarm (false negative) and false-alarm (false positive) cost may be significantly different, it is necessary to find an optimal threshold that accounts for and minimises such costs, tuning the false-alarm and missed-alarm rates. In this paper, we propose a new methodology to develop cost-sensitive ra

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Roy, Nihar Ranjan, and Pravin Chandra. "Threshold sensitive clustering in SEP." Sustainable Computing: Informatics and Systems 25 (March 2020): 100367. http://dx.doi.org/10.1016/j.suscom.2019.100367.

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3

Mu, Yi, and C. M. Savage. "Phase-sensitive above-threshold laser amplifiers." Physical Review A 49, no. 5 (1994): 4093–100. http://dx.doi.org/10.1103/physreva.49.4093.

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Ferreira, Guilherme A., Romulo Bertuzzi, Adriano E. Lima-Silva, Carlos Malfatti, Fernando R. De-Oliveira, and Raul Osiecki. "Identification of training status differences using perceived exertion threshold." Applied Physiology, Nutrition, and Metabolism 41, no. 4 (2016): 456–59. http://dx.doi.org/10.1139/apnm-2015-0478.

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We investigated if the rate of perceived exertion (RPE) threshold is as sensitive as the lactate threshold to detect training differences. Lactate and RPE thresholds were identified in well-trained cyclists and physically active males. Power output was higher in well-trained cyclists than in physically active individuals for both thresholds (p < 0.05). Our results suggest that RPE threshold is successful in discriminating differences between well-trained cyclists and physically active individuals.

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Pflug, Justin M., Yiwen Fang, Steven A. Margulis, and Ben Livneh. "Interactions between thresholds and spatial discretizations of snow: insights from estimates of wolverine denning habitat in the Colorado Rocky Mountains." Hydrology and Earth System Sciences 27, no. 14 (2023): 2747–62. http://dx.doi.org/10.5194/hess-27-2747-2023.

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Abstract. Thresholds can be used to interpret environmental data in a way that is easily communicated and useful for decision-making purposes. However, thresholds are often developed for specific data products and time periods, changing findings when the same threshold is applied to datasets or periods with different characteristics. Here, we test the impact of different spatial discretizations of snow on annual estimates of wolverine denning opportunities in the Colorado Rocky Mountains, defined using a snow water equivalent (SWE) threshold (0.20 m) and threshold date (15 May) from previous h

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Kalogianni, E. "Physiological properties of wind-sensitive and tactile trichoid sensilla on the ovipositor and their role during oviposition in the locust." Journal of Experimental Biology 198, no. 6 (1995): 1359–69. http://dx.doi.org/10.1242/jeb.198.6.1359.

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The physiological properties of the ovipositor hair sensilla of the desert locust and their responses to wind and to direct mechanical displacement are described. The hairs on the external surfaces of the ventral and dorsal ovipositor valves respond to wind stimulation, whereas the hairs on the inner surfaces of the dorsal valves are not wind-sensitive. All ovipositor hairs, however, respond to tactile displacement. Imposed tactile stimulation reveals two physiologically distinct types of ovipositor tactile hairs: the hairs on the inner surface of the dorsal valves are high-threshold hairs (th

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Zhang, Yuan, Xiao-Ning Wang, Hai-Yu Ding, Yang Dai, Sen Ding, and Xin Gao. "Threshold Responses in the Taxonomic and Functional Structure of Fish Assemblages to Land Use and Water Quality: A Case Study from the Taizi River." Water 11, no. 4 (2019): 661. http://dx.doi.org/10.3390/w11040661.

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Biological functional traits help to understand specific stressors that are ignored intaxonomic data analysis. A combination of biological functional traits and taxonomic data ishelpful in determining specific stressors which are of significance for fish conservation and riverbasin management. In the current study, the Taizi River was used as a case study to understand therelationships between the taxonomic and functional structure of fish and land use and waterquality, in addition to determining the thresholds of these stressors. The results showed thattaxonomic structure was significantly af

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Mair, I. W. S., and E. Laukli. "Air Conduction Thresholds after Myringoplasty and Stapes Surgery: A Conventional and High Frequency Audiometric Comparison." Annals of Otology, Rhinology & Laryngology 95, no. 4 (1986): 327–30. http://dx.doi.org/10.1177/000348948609500402.

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A comparison has been made of air conduction thresholds after myringoplasty and stapes surgery for otosclerosis in both the conventional (0.25 to 8 kHz) and high frequency (8 to 20 kHz) ranges. Significant threshold losses occurred in the high frequencies following both procedures. Threshold improvement was significantly greater at the lower frequencies following stapes surgery, while high frequency threshold deterioration was significantly less in the myringoplasty group. High frequency audiometry may prove to be a sensitive monitor of middle ear surgical techniques.

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LOOP, MICHAEL S., and DAVID K. CROSSMAN. "High color-vision sensitivity in macaque and humans." Visual Neuroscience 17, no. 1 (2000): 119–25. http://dx.doi.org/10.1017/s0952523800171123.

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Psychophysical (behavioral) detection thresholds and color-discrimination thresholds were determined in a macaque using a two-alternative forced-choice procedure. On a white background, detection thresholds were determined for a white increment and three spectral increments: 618, 516, and 456 nm. Intermixed with detection threshold determinations, color-discrimination thresholds were determined by presenting the white increment, and one of the spectral increments, at 1.0 log units above their respective detection thresholds and dimming both until discrimination performance fell to threshold. T

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10

Polena, Helena, Marlène Chavagnac-Bonneville, Laurent Misery, and Michèle Sayag. "Burden of Sensitive Skin (BoSS) Questionnaire and Current Perception Threshold: Use as Diagnostic Tools for Sensitive Skin Syndrome." Acta Dermato-Venereologica 101, no. 11 (2021): adv00606. http://dx.doi.org/10.2340/actadv.v101.365.

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The assessment of sensitive skin syndrome, characterized by subjective unpleasant sensations, remains a challenge, since there is no international consensus on the best diagnostic tools. This study evaluated the combination of the Burden of Sensitive Skin (BoSS) questionnaire and the current perception threshold as diagnostic tools for sensitive skin syndrome, and the relationship between BoSS and the subjects’ smoking status, phototype and skin type. A total of 100 women completed the BoSS questionnaire, and current perception threshold was measured on the face. The BoSS score was significant

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11

Feng, Bin, Pablo R. Brumovsky, and Gerald F. Gebhart. "Differential roles of stretch-sensitive pelvic nerve afferents innervating mouse distal colon and rectum." American Journal of Physiology-Gastrointestinal and Liver Physiology 298, no. 3 (2010): G402—G409. http://dx.doi.org/10.1152/ajpgi.00487.2009.

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Information about colorectal distension (i.e., colorectal dilation by increased intraluminal pressure) is primarily encoded by stretch-sensitive colorectal afferents in the pelvic nerve (PN). Despite anatomic differences between rectum and distal colon, little is known about the functional roles of colonic vs. rectal afferents in the PN pathway or the quantitative nature of mechanosensory encoding. We utilized an in vitro mouse colorectum-PN preparation to investigate pressure-encoding characteristics of colorectal afferents. The colorectum with PN attached was dissected, opened longitudinally

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12

Savill, Nicholas J., Suzanne G. St. Rose, and Mark E. J. Woolhouse. "Detection of mortality clusters associated with highly pathogenic avian influenza in poultry: a theoretical analysis." Journal of The Royal Society Interface 5, no. 29 (2008): 1409–19. http://dx.doi.org/10.1098/rsif.2008.0133.

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Rapid detection of infectious disease outbreaks is often crucial for their effective control. One example is highly pathogenic avian influenza (HPAI) such as H5N1 in commercial poultry flocks. There are no quantitative data, however, on how quickly the effects of HPAI infection in poultry flocks can be detected. Here, we study, using an individual-based mathematical model, time to detection in chicken flocks. Detection is triggered when mortality, food or water intake or egg production in layers pass recommended thresholds suggested from the experience of past HPAI outbreaks. We suggest a new

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13

Landström, Ulf, and Ronnie Lundström. "Sensations, Perception Thresholds and Temporary Threshold Shifts of Whole Body Vibrations in Sitting and Standing Posture." Journal of Low Frequency Noise, Vibration and Active Control 5, no. 2 (1986): 68–77. http://dx.doi.org/10.1177/026309238600500203.

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The experiments were conducted to evaluate the subjective experience associated with sinusoidal whole body vibration. Exposures were carried out in vertical (z) direction with the subject placed in upright sitting and standing positions. According to the present results, the vibration perception level is approximately the same for both postures, about 80–90 dB, (re 1 μm/s2 (r.m.s)) when comparing frequencies below 100 Hz. The threshold values were found to be influenced by the body weight, heavy people being more sensitive to whole body vibration in sitting posture, light people being more sen

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Newland, P. L. "Physiological properties of afferents from tactile hairs on the hindlegs of the locust." Journal of Experimental Biology 155, no. 1 (1991): 487–503. http://dx.doi.org/10.1242/jeb.155.1.487.

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1. The spatial distribution and physiological properties of the tactile hairs and their sensory afferents of the hindlegs of the locust Schistocerca gregaria are described. Hairs occur in a consistent position from animal to animal. Hairs on the dorsal tibia are of a greater mean length, 403.1 +/− 17.9 microns, than hairs on the ventral tibia, 265.2 +/− 10.44 microns. Hairs on the dorsal and ventral femur are approximately 310 microns long and hairs on the tarsus are shorter, approximately 200 microns. 2. Based on their threshold responses to sinusoidal mechanical stimulation, the tactile hair

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15

Rompré, Ghislain, Yan Boucher, Louis Bélanger, Sylvie Côté, and W. Douglas Robinson. "Conservation de la biodiversité dans les paysages forestiers aménagés : utilisation des seuils critiques d’habitat." Forestry Chronicle 86, no. 5 (2010): 572–79. http://dx.doi.org/10.5558/tfc86572-5.

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In Canada, as in other large forested countries of the world, managers and scientists alike question what can happen to forest biodiversity under long-term industrial forest management. Recent studies may help us understand how species react when habitat is lost past a certain threshold in the landscape. In the case of population, a “critical threshold for habitat” does exist in forested habitat, which is defined by the minimal proportion of habitat needed to be preserved to avoid drastic population declines or massive species loss. In this paper, two types of thresholds are described, the fir

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Rompré, Ghislain, Yan Boucher, Louis Bélanger, Sylvie Côté, and W. Douglas Robinson. "Conserving biodiversity in managed forest landscapes: The use of critical thresholds for habitat." Forestry Chronicle 86, no. 5 (2010): 589–96. http://dx.doi.org/10.5558/tfc86589-5.

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In Canada, as in other large forested countries of the world, managers and scientists alike question what can happen to forest biodiversity under long-term industrial forest management. Recent studies may help us understand how species react when habitat is lost past a certain threshold in the landscape. In the case of population, a “critical threshold for habitat” does exist in forested habitat, which is defined by the minimal proportion of habitat needed to be preserved to avoid drastic population declines or massive species loss. In this paper, two types of thresholds are described, the fir

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17

Wrobel, Bozena B., Alexander G. Bien, Eric H. Holbrook, et al. "Decreased Nasal Mucosal Sensitivity in Older Subjects." American Journal of Rhinology 20, no. 3 (2006): 364–68. http://dx.doi.org/10.2500/ajr.2006.20.2862.

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Background The sensitivity of the human nasal cavity mucosa to touch is not well understood. The site of receptors and mode of action responsible for the sensation of the nasal airflow is a topic of controversy. Previous studies have suggested that the skin-lined nasal vestibule is more sensitive to airflow than the mucosa of the nasal cavity. A possible decline in nasal sensitivity to airflow in older subjects has not been studied. Methods The threshold of the mucosal sensitivity to jets of air was assessed in 76 subjects with healthy nasal cavities. A total of 141 nostrils were tested, 67 in

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18

Sun, Hong-Tao, Jinming Huang, Zhi Chen, and Zhiwen Wang. "State-sensitive event-triggered path following control of autonomous ground vehicles." Intelligence & Robotics 3, no. 3 (2023): 257–73. http://dx.doi.org/10.20517/ir.2023.17.

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This paper investigates an improved event-triggered control based on the perception of state measurement for path following control of autonomous ground vehicles. Firstly, in order to regulate the event-triggered thresholds dynamically, a barrier-like function is first used to develop such a novel state-sensitive event-triggered communication (SS-ETC) scheme. Different from the existing variable-threshold ETC schemes, the proposed SS-ETC incorporates the state measurements directly in the event threshold adjustment, eliminating the need for additional terms or dynamics introduced in previous w

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19

Rai, Shailie, and Pallavi Gupta. "Implementation and Analysis of Threshold Sensitive Stable Election Protocol." IJARCCE 6, no. 4 (2017): 217–23. http://dx.doi.org/10.17148/ijarcce.2017.6441.

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20

Lychagin, E. V., S. G. Novikov, and N. T. Gurin. "A threshold position-sensitive photoswitch with negative differential resistance." Russian Microelectronics 42, no. 7 (2013): 373–77. http://dx.doi.org/10.1134/s1063739712070086.

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21

Zhao, Huimin. "Instance weighting versus threshold adjusting for cost-sensitive classification." Knowledge and Information Systems 15, no. 3 (2007): 321–34. http://dx.doi.org/10.1007/s10115-007-0079-1.

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22

Pejovic, Milic, Momcilo Pejovic, and Aleksandar Jaksic. "Radiation-sensitive field effect transistor response to gamma-ray irradiation." Nuclear Technology and Radiation Protection 26, no. 1 (2011): 25–31. http://dx.doi.org/10.2298/ntrp1101025p.

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The influence of gate bias during gamma-ray irradiation on the threshold voltage shift of radiation sensitive p-channel MOSFETs determined on the basis of transfer characteristics in saturation has been investigated. It has been shown that for the gate bias during the irradiation of 5 V and 10 V the sensitivity of these transistors can be presented as the threshold voltage shift and the absorbed irradiation dose ratio. On the bases of the subthreshold characteristics and transfer characteristics in saturation using the midgap technique we have determined the densities of radiation induced oxid

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23

Hawryshyn, Craig W. "Light-adaptation properties of the ultraviolet-sensitive cone mechanism in comparison to the other receptor mechanisms of goldfish." Visual Neuroscience 6, no. 4 (1991): 293–301. http://dx.doi.org/10.1017/s0952523800006544.

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AbstractThe light-adaptation properties of goldfish photoreceptor mechanisms were examined using Stiles' two-color threshold technique. Threshold vs. background intensity (TVI) curves were determined for isolated cone and rod mechanisms using the heart-rate conditioning technique. The principal aim of this study was to compare the light-adaptation properties of the ultraviolet (UV)-sensitive cone mechanism to the other receptor mechanisms of goldfish. This examination revealed several striking functional differences: (1) The UV-sensitive cone mechanism threshold vs. background intensity (TVI)

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24

Teliban, Alina, Fabian Bartsch, Marek Struck, Ralf Baron, and Wilfrid Jänig. "Responses of intact and injured sural nerve fibers to cooling and menthol." Journal of Neurophysiology 111, no. 10 (2014): 2071–83. http://dx.doi.org/10.1152/jn.00287.2013.

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Intact and injured cutaneous C-fibers in the rat sural nerve are cold sensitive, heat sensitive, and/or mechanosensitive. Cold-sensitive fibers are either low-threshold type 1 cold sensitive or high-threshold type 2 cold sensitive. The hypothesis was tested, in intact and injured afferent nerve fibers, that low-threshold cold-sensitive afferent nerve fibers are activated by the transient receptor potential melastatin 8 (TRPM8) agonist menthol, whereas high-threshold cold-sensitive C-fibers and cold-insensitive afferent nerve fibers are menthol insensitive. In anesthetized rats, activity was re

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25

Deng, Jufeng, Dian Song, and Shijie Su. "Highly Sensitive Inertial Micro-Switch for Achieving Adjustable Multi-Threshold Acceleration." Actuators 12, no. 2 (2023): 53. http://dx.doi.org/10.3390/act12020053.

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An inertial micro-switch with multi-threshold acceleration detection capability has been proposed, taking advantage of electromechanical coupling behavior. A mathematical model of electromechanical coupling behavior was established to display the dependence of highly sensitivity on pull-in characteristic and show the ability to detect threshold acceleration by controlling the voltage applied to the inertial micro-switch. The capability of sensitivity and detection that was described in mathematical model was implemented to occur at the inertial switch and showed agreement with that of a simula

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Ogata, Nobukuni, and Hideharu Tatebayashi. ""Low-threshold TTX-sensitive" and "high-threshold TTX-insensitive" Na+ channels in rat dorsal root ganglia." Japanese Journal of Pharmacology 55 (1991): 282. http://dx.doi.org/10.1016/s0021-5198(19)39232-7.

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27

Prabdial-Sing, Nishi, Villyen Motaze, Jack Manamela, Kerrigan McCarthy, and Melinda Suchard. "Establishment of Outbreak Thresholds for Hepatitis A in South Africa Using Laboratory Surveillance, 2017–2020." Viruses 13, no. 12 (2021): 2470. http://dx.doi.org/10.3390/v13122470.

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As South Africa transitions from endemic to intermediate endemicity, hepatitis A surveillance needs strengthening to monitor trends in disease incidence and to identify outbreaks. We used passive laboratory-based surveillance data from the National Health Laboratory Services to calculate national hepatitis A incidence and to establish thresholds for outbreaks. Incidence was calculated by age and geographic location. The static threshold used two or three standard deviations (SDs) above the mean hepatitis A incidence in 2017–2019, and a cumulative summation (CuSum2) threshold used three SDs abo

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Huengsberg, Mia, John B. Winer, Jonathan DC Ross, and Mohsen Shahmanesh. "Thermosensory threshold: a sensitive test of HIV associated peripheral neuropathy?" Journal of Neurovirology 4, no. 4 (1998): 433–37. http://dx.doi.org/10.3109/13550289809114542.

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29

Verma, Surendra, and K. C. Mahajan. "USEP: Ultra Stable Threshold Sensitive Election Protocol for Mobile WSN." International Journal of Computer Applications 100, no. 3 (2014): 5–8. http://dx.doi.org/10.5120/17503-8048.

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Fadaei Tehrani, Ahmad, and Faramarz Safi-Esfahani. "A threshold sensitive failure prediction method using support vector machine." Multiagent and Grid Systems 13, no. 2 (2017): 97–111. http://dx.doi.org/10.3233/mgs-170263.

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31

J. SÃ¡nchez-Hermosilla and R. Medina. "ADAPTIVE THRESHOLD FOR DROPLET SPOT ANALYSIS USING WATER-SENSITIVE PAPER." Applied Engineering in Agriculture 20, no. 5 (2004): 547–51. http://dx.doi.org/10.13031/2013.17454.

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Flyvholm, Mari-Ann, Barbara M. Hall, Tove Agner, et al. "Threshold for occluded formaldehyde patch test in formaldehyde-sensitive patients." Contact Dermatitis 36, no. 1 (1997): 26–33. http://dx.doi.org/10.1111/j.1600-0536.1997.tb00918.x.

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Wallace, K. J., Bruce D. Clarkson, and Bridgette Farnworth. "Restoration Trajectories and Ecological Thresholds during Planted Urban Forest Successional Development." Forests 13, no. 2 (2022): 199. http://dx.doi.org/10.3390/f13020199.

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Successfully reconstructing functioning forest ecosystems from early-successional tree plantings is a long-term process that often lacks monitoring. Many projects lack observations of critical successional information, such as the restoration trajectory of key ecosystem attributes and ecological thresholds, which signal that management actions are needed. Here, we present results from a 65 ha urban temperate rainforest restoration project in Aotearoa New Zealand, where trees have been planted annually on public retired pasture land, forming a 14 years chronosequence. In 25 plots (100 m2 each),

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Burgoon, Penny W., and Jack A. Boulant. "Temperature-sensitive properties of rat suprachiasmatic nucleus neurons." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 281, no. 3 (2001): R706—R715. http://dx.doi.org/10.1152/ajpregu.2001.281.3.r706.

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The hypothalamic suprachiasmatic nucleus (SCN) contains a heterogeneous population of neurons, some of which are temperature sensitive in their firing rate activity. Neuronal thermosensitivity may provide cues that synchronize the circadian clock. In addition, through synaptic inhibition on nearby cells, thermosensitive neurons may provide temperature compensation to other SCN neurons, enabling postsynaptic neurons to maintain a constant firing rate despite changes in temperature. To identify mechanisms of neuronal thermosensitivity, whole cell patch recordings monitored resting and transient

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Werner, Lynne A., Richard C. Folsom, Lisa R. Mancl, and Connie L. Syapin. "Human Auditory Brainstem Response to Temporal Gaps in Noise." Journal of Speech, Language, and Hearing Research 44, no. 4 (2001): 737–50. http://dx.doi.org/10.1044/1092-4388(2001/058).

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Gap detection is a commonly used measure of temporal resolution, although the mechanisms underlying gap detection are not well understood. To the extent that gap detection depends on processes within, or peripheral to, the auditory brainstem, one would predict that a measure of gap threshold based on the auditory brainstem response (ABR) would be similar to the psychophysical gap detection threshold. Three experiments were performed to examine the relationship between ABR gap threshold and gap detection. Thresholds for gaps in a broadband noise were measured in young adults with normal hearing

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Kyhn, Line A., Jakob Tougaard, Jonas Teilmann, Magnus Wahlberg, Poul B. Jørgensen, and Nikolaj I. Bech. "Harbour porpoise (Phocoena phocoena) static acoustic monitoring: laboratory detection thresholds of T-PODs are reflected in field sensitivity." Journal of the Marine Biological Association of the United Kingdom 88, no. 6 (2008): 1085–91. http://dx.doi.org/10.1017/s0025315408000416.

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The T-POD (Timing POrpoise Detector) is a self-contained acoustic data logger used for detecting and monitoring the presence of echolocation clicks of small cetaceans. It has become a standard tool in environmental impact assessments and monitoring programmes. Yet, little is known about the variability in sensitivity and detection range of T-PODs. In this study the field performance of ten v3 T-PODs was compared to detection thresholds measured in a tank. The T-POD thresholds ranged from 123 to 132 dB re 1μPa (pp). The detection thresholds of the ten individual T-PODs were different and the di

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Kamada, Chie, Rei Enatsu, Aya Kanno, et al. "Intraoperative nerve stimulation during vagal nerve stimulator placement." Surgical Neurology International 14 (September 1, 2023): 312. http://dx.doi.org/10.25259/sni_303_2023.

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Background: Vagal nerve stimulation (VNS) is a palliative treatment for refractory epilepsy and intraoperative nerve stimulation is applied to the vagal and other nerves to prevent electrode misplacement. We evaluated these thresholds to establish intraoperative monitoring procedures for VNS surgery. Methods: Forty-six patients who underwent intraoperative nerve stimulation during VNS placement were enrolled. The vagal nerve and other exposed nerves were electrically stimulated during surgery, and muscle contraction was confirmed by electromyography of the vocal cords and visual recognition of

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Sharma, K., P. Sharma, A. Sharma, and G. Singh. "Phenylthiocarbamide taste perception and susceptibility to motion sickness: linking higher susceptibility with higher phenylthiocarbamide taste acuity." Journal of Laryngology & Otology 122, no. 10 (2008): 1064–73. http://dx.doi.org/10.1017/s0022215107001442.

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AbstractObjective:This study is the first attempt to link quantified phenylthiocarbamide bitter taste recognition threshold with susceptibility to motion sickness.Subjects:The study was conducted on a sample of 291 teenage Rajput children (146 males and 145 females; age range 13–19 years) from the Sirmour district of Himachal Pradesh, India. Phenylthiocarbamide taste sensitivity was measured by administering a serial dilution of a freshly prepared phenylthiocarbamide solution, following the method of Harris and Kalmus. Motion sickness susceptibility was assessed retrospectively via interview.R

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Feeney, M. Patrick, Douglas H. Keefe, and Lindsay P. Marryott. "Contralateral Acoustic Reflex Thresholds for Tonal Activators Using Wideband Energy Reflectance and Admittance." Journal of Speech, Language, and Hearing Research 46, no. 1 (2003): 128–36. http://dx.doi.org/10.1044/1092-4388(2003/010).

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The purpose of this study was to evaluate a new method for estimating the acoustic reflex threshold incorporating wideband (250–8000 Hz) measures of energy reflectance and admittance (M. P. Feeney & D. H. Keefe, 2001). The wideband technique incorporates both a correlation method to assess the pattern of the reflex-induced shifts in reflectance and admittance across frequency and a magnitude method to determine if the amplitude of the shifts exceeds baseline variability. Contralateral reflex thresholds for 1000- and 2000-Hz activators were obtained for 34 young adults with both the wideban

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Melchiorre, C., and A. Tryggvason. "Application of a fast and efficient algorithm to assess landslide-prone areas in sensitive clays in Sweden." Natural Hazards and Earth System Sciences 15, no. 12 (2015): 2703–13. http://dx.doi.org/10.5194/nhess-15-2703-2015.

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Abstract. We refine and test an algorithm for landslide susceptibility assessment in areas with sensitive clays. The algorithm uses soil data and digital elevation models to identify areas which may be prone to landslides and has been applied in Sweden for several years. The algorithm is very computationally efficient and includes an intelligent filtering procedure for identifying and removing small-scale artifacts in the hazard maps produced. Where information on bedrock depth is available, this can be included in the analysis, as can information on several soil-type-based cross-sectional ang

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Chen, Wenguo, Rui Wang, Huiying Wang, and Zhen Yang. "Design, Simulation, and Fabrication of a New Three-Axis Inertial Switch with a Triangular Movable Electrode Structure." Micromachines 14, no. 1 (2022): 94. http://dx.doi.org/10.3390/mi14010094.

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A new three-axis inertial switch is proposed. The triangle-structured movable electrode is designed to improve the inertial switch’s dynamic response performance, especially the movable electrode’s dynamic stability performance. The static mechanical analysis indicated that the displacement of the movable electrode to the fixed electrode in the sensitive direction is the minimum when the acceleration is applied to this designed inertial switch. The dynamic simulation analysis showed that the threshold of the designed inertial is about 235 g. The threshold in the non-sensitive direction is abou

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Zhang, Ning, Lin Sun, Zhendong Sun, and Yu Qu. "Detecting Low-Intensity Fires in East Asia Using VIIRS Data: An Improved Contextual Algorithm." Remote Sensing 13, no. 21 (2021): 4226. http://dx.doi.org/10.3390/rs13214226.

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The Visible Infrared Imaging Radiometer Suite (VIIRS) fire detection algorithm mostly relies on thermal infrared channels that possess fixed or context-sensitive thresholds. The main channel used for fire identification is the mid-infrared channel, which has relatively low temperature saturation. Therefore, when the high temperature of a fire in this channel is used for initial screening, the threshold is relatively high. Although screening results are tested at different levels, few small fires will be lost under these strict test conditions. However, crop burning fires often occur in East As

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Butler, Matthew P., and Rae Silver. "Divergent photic thresholds in the non-image-forming visual system: entrainment, masking and pupillary light reflex." Proceedings of the Royal Society B: Biological Sciences 278, no. 1706 (2010): 745–50. http://dx.doi.org/10.1098/rspb.2010.1509.

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Light is the principal cue that entrains the circadian timing system, but the threshold of entrainment and the relative contributions of the retinal photoreceptors—rods, cones and intrinsically photosensitive retinal ganglion cells—are not known. We measured thresholds of entrainment of wheel-running rhythms at three wavelengths, and compared these to thresholds of two other non-image-forming visual system functions: masking and the pupillary light reflex (PLR). At the entrainment threshold, the relative spectral sensitivity and absolute photon flux suggest that this threshold is determined by

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Mittal, Mamta, Rajendra Kumar Sharma, Varinder Pal Singh, and Raghvendra Kumar. "Adaptive Threshold Based Clustering." International Journal of Information System Modeling and Design 10, no. 1 (2019): 42–59. http://dx.doi.org/10.4018/ijismd.2019010103.

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Partitioning-based clustering methods have various challenges especially user-defined parameters and sensitivity to initial seed selections. K-means is most popular partitioning based method while it is sensitive to outlier, generate non-overlap cluster and non-deterministic in nature due to its sensitivity to initial seed selection. These limitations are regarded as promising research directions. In this study, a deterministic approach which do not requires user defined parameters during clustering; can generate overlapped and non-overlapped clusters and detect outliers has been proposed. Her

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Lindberg, Herbert E. "Dynamic Pulse Buckling of Imperfection-Sensitive Shells." Journal of Applied Mechanics 58, no. 3 (1991): 743–48. http://dx.doi.org/10.1115/1.2897258.

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The theoretical basis of two related but distinctly different dynamic buckling criteria are summarized with the objective of demonstrating the range of applicability of each, so that together they cover the entire range of dynamic pulse loads from nearly impulsive loads to step loads of infinite duration. The example chosen is a cylindrical shell under elastic axial loads but the approach is applicable more generally. A critical amplification-of-imperfections criterion with a linear shell theory is shown to be applicable for short duration loads, for which a threshold nonlinear divergence crit

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Gold, Joshua I., Chi-Tat Law, Patrick Connolly, and Sharath Bennur. "Relationships Between the Threshold and Slope of Psychometric and Neurometric Functions During Perceptual Learning: Implications for Neuronal Pooling." Journal of Neurophysiology 103, no. 1 (2010): 140–54. http://dx.doi.org/10.1152/jn.00744.2009.

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Perceptual learning involves long-lasting improvements in the ability to perceive simple sensory stimuli. Some forms of perceptual learning are thought to involve an increasingly selective readout of sensory neurons that are most sensitive to the trained stimulus. Here we report novel changes in the relationship between the threshold and slope of the psychometric function during learning that are consistent with such changes in readout and can provide insights into the underlying neural mechanisms. In monkeys trained on a direction-discrimination task, perceptual improvements corresponded to l

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Rachmilewitz, Jacob, Gregory J. Riely, Jui-Han Huang, Aoshuang Chen, and Mark L. Tykocinski. "A rheostatic mechanism for T-cell inhibition based on elevation of activation thresholds." Blood 98, no. 13 (2001): 3727–32. http://dx.doi.org/10.1182/blood.v98.13.3727.

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Abstract The activation of discrete T-cell responses depends on the triggering of individualized threshold numbers of T-cell receptors (TCRs). The results of this study indicate that the lipocalin placental protein 14 (PP14), a T-cell inhibitor produced by cells of the reproductive and hematopoietic systems, mediates its anti-inflammatory activity by elevating the T-cell activation threshold, thereby rendering T cells less sensitive to stimulation. Significantly, the data demonstrate hierarchical sensitivity of selected cytokine responses to PP14-mediated inhibition, with the hierarchy reflect

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Chen, Yue, Harold E. Bedell, and Laura J. Frishman. "Temporal-Contrast Discrimination and its Neural Correlates." Perception 25, no. 5 (1996): 505–22. http://dx.doi.org/10.1068/p250505.

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Reported differences in neuronal contrast processing between the parallel magnocellular (M) and parvocellular (P) visual pathways invite the hypothesis that contrast discrimination in the human visual system is more sensitive at low contrasts and less sensitive at high contrasts, for stimuli modulated at high compared with low temporal frequencies. In the present study, an edgeless temporally modulated uniform field was selected as the stimulus for psychophysical contrast discrimination, and contrast-increment thresholds for pedestal contrasts ranging from 5.5% to 78.2% were determined with a

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Le Prell, Colleen G., Christopher Spankovich, Edward Lobariñas, and Scott K. Griffiths. "Extended High-Frequency Thresholds in College Students: Effects of Music Player Use and Other Recreational Noise." Journal of the American Academy of Audiology 24, no. 08 (2013): 725–39. http://dx.doi.org/10.3766/jaaa.24.8.9.

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Background: Human hearing is sensitive to sounds from as low as 20 Hz to as high as 20,000 Hz in normal ears. However, clinical tests of human hearing rarely include extended high-frequency (EHF) threshold assessments, at frequencies extending beyond 8000 Hz. EHF thresholds have been suggested for use monitoring the earliest effects of noise on the inner ear, although the clinical usefulness of EHF threshold testing is not well established for this purpose. Purpose: The primary objective of this study was to determine if EHF thresholds in healthy, young adult college students vary as a functio

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Zhao, Liquan, and Qi Tang. "An Improved Threshold-Sensitive Stable Election Routing Energy Protocol for Heterogeneous Wireless Sensor Networks." Information 10, no. 4 (2019): 125. http://dx.doi.org/10.3390/info10040125.

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In the Threshold-Sensitive Stable Election Protocol, sensors are randomly deployed in the region without considering the balanced energy consumption of nodes. If a node that has been selected as a cluster head is located far away from the base station, it will affect the efficiency of the network due to its early death. This paper proposes an improved energy efficient routing protocol named Improved Threshold-Sensitive Stable Election protocol (ITSEP) for heterogeneous wireless sensor networks. Firstly, we use a node state transformation mechanism to control the number of cluster heads in high

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