Academic literature on the topic 'AO+MI'
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Journal articles on the topic "AO+MI"
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Kaneko, Naotsugu, Atsushi Sasaki, Hikaru Yokoyama, Yohei Masugi, and Kimitaka Nakazawa. "Effects of action observation and motor imagery of walking on the corticospinal and spinal motoneuron excitability and motor imagery ability in healthy participants." PLOS ONE 17, no. 4 (April 18, 2022): e0266000. http://dx.doi.org/10.1371/journal.pone.0266000.
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Action observation (AO) and motor imagery (MI) are used for the rehabilitation of patients who face difficulty walking. Rehabilitation involving AO, MI, and AO combined with MI (AO+MI) facilitates gait recovery after neurological disorders. However, the mechanism by which it positively affects gait function is unclear. We previously examined the neural mechanisms underlying AO and MI of walking, focusing on AO+MI and corticospinal and spinal motor neuron excitability, which play important roles in gait function. Herein, we investigated the effects of a short intervention using AO+MI of walking on the corticospinal and spinal motor neuron excitability and MI ability of participants. Twelve healthy individuals participated in this study, which consisted of a 20 min intervention. Before the experiment, we measured MI ability using the Vividness of Movement Imagery Questionnaire-2 (VMIQ-2). We used motor evoked potential and F-wave measurements to evaluate the corticospinal and spinal motor neuron excitability at rest, pre-intervention, 0 min, and 15 min post-intervention. We also measured corticospinal excitability during MI of walking and the participant’s ability to perform MI using a visual analog scale (VAS). There were no significant changes in corticospinal and spinal motor neuron excitability during and after the intervention using AO+MI (p>0.05). The intervention temporarily increased VAS scores, thus indicating clearer MI (p<0.05); however, it did not influence corticospinal excitability during MI of walking (p>0.05). Furthermore, there was no significant correlation between the VMIQ-2 and VAS scores and changes in corticospinal and spinal motor neuron excitability. Therefore, one short intervention using AO+MI increased MI ability in healthy individuals; however, it was insufficient to induce plastic changes at the cortical and spinal levels. Moreover, the effects of intervention using AO+MI were not associated with MI ability. Our findings provide information about intervention using AO+MI in healthy individuals and might be helpful in planning neurorehabilitation strategies.
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Kaneko, Masugi, Usuda, Yokoyama, and Nakazawa. "Muscle-Specific Modulation of Spinal Reflexes in Lower-Limb Muscles during Action Observation with and without Motor Imagery of Walking." Brain Sciences 9, no. 12 (November 21, 2019): 333. http://dx.doi.org/10.3390/brainsci9120333.
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Action observation (AO) and motor imagery (MI) are useful techniques in neurorehabilitation. Previous studies have reported that AO and MI facilitate corticospinal excitability only in those muscles that are active when actually performing the observed or imagined movements. However, it remained unclear whether spinal reflexes modulate multiple muscles simultaneously. The present study focused on AO and MI of walking and aimed to clarify their effects on spinal reflexes in lower-limb muscles that are recruited during actual walking. Ten healthy males participated in the present study. Spinal reflex parameters evoked by transcutaneous spinal cord stimulation were measured from five lower-limb muscles during rest, AO, and AO combined with MI (AO + MI) conditions. Our results showed that spinal reflexes were increased in the tibialis anterior and biceps femoris muscles during AO and in the tibialis anterior, soleus, and medial gastrocnemius muscles during AO + MI, compared with resting condition. Spinal reflex parameters in the vastus medialis muscle were unchanged. These results indicate the muscle-specific modulations of spinal reflexes during AO and AO + MI. These findings reveal the underlying neural activities induced by AO, MI, and their combined processes.
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Almulla, Latifah, Ibraheem Al-Naib, Ijlal Shahrukh Ateeq, and Murad Althobaiti. "Observation and motor imagery balance tasks evaluation: An fNIRS feasibility study." PLOS ONE 17, no. 3 (March 23, 2022): e0265898. http://dx.doi.org/10.1371/journal.pone.0265898.
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In this study, we aimed at exploring the feasibility of functional near-infrared spectroscopy (fNIRS) for studying the observation and/or motor imagination of various postural tasks. Thirteen healthy adult subjects followed five trials of static and dynamic standing balance tasks, throughout three different experimental setups of action observation (AO), a combination of action observation and motor imagery (AO+MI), and motor imagery (MI). During static and dynamic standing tasks, both the AO+MI and MI experiments revealed that many channels in prefrontal or motor regions are significantly activated while the AO experiment showed almost no significant increase in activations in most of the channels. The contrast between static and dynamic standing tasks showed that with more demanding balance tasks, relative higher activation patterns were observed, particularly during AO and in AO+MI experiments in the frontopolar area. Moreover, the AO+MI experiment revealed a significant difference in premotor and supplementary motor cortices that are related to balance control. Furthermore, it has been observed that the AO+MI experiment induced relatively higher activation patterns in comparison to AO or MI alone. Remarkably, the results of this work match its counterpart from previous functional magnetic resonance imaging studies. Therefore, they may pave the way for using the fNIRS as a diagnostic tool for evaluating the performance of the non-physical balance training during the rehabilitation period of temporally immobilized patients.
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Xiong, Hao, Jin-Jin Chen, John M. Gikaro, Chen-Guang Wang, and Feng Lin. "Activation Patterns of Functional Brain Network in Response to Action Observation-Induced and Non-Induced Motor Imagery of Swallowing: A Pilot Study." Brain Sciences 12, no. 10 (October 21, 2022): 1420. http://dx.doi.org/10.3390/brainsci12101420.
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Action observation (AO) combined with motor imagery (MI) was verified as more effective in improving limb function than AO or MI alone, while the underlying mechanism of swallowing was ambiguous. The study aimed at exploring the efficacy of AO combined with MI in swallowing. In this study, twelve subjects performed the motor imagery of swallowing (MI-SW) during magnetoencephalography (MEG) scanning, and trials were divided into three groups: the non-induced group (control group, CG), male AO-induced group (M-AIG), and female AO-induced group (F-AIG). We used event-related spectral perturbations (ERSPs) and phase locking value (PLV) to assess the degree of activation and connectivity of the brain regions during MI-SW in the three groups. The results showed that compared to CG, F-AIG and M-AIG significantly activated more brain regions in the frontoparietal, attention, visual, and cinguloopercular systems. In addition, M-AIG significantly activated the sensorimotor cortex compared to CG and F-AIG. For the brain network, F-AIG and M-AIG increased the diffusion of non-hub hot spots and cold hubs to the bilateral hemispheres which enhanced interhemispheric functional connectivity and information transmission efficiency in the MI-SW task. This study provided supporting evidence that AO induction could enhance the effect of MI-SW and supported the application of AO-induced MI-SW in clinical rehabilitation.
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Mouthon, A., J. Ruffieux, M. Mouthon, H. M. Hoogewoud, J. M. Annoni, and W. Taube. "Age-Related Differences in Cortical and Subcortical Activities during Observation and Motor Imagery of Dynamic Postural Tasks: An fMRI Study." Neural Plasticity 2018 (2018): 1–12. http://dx.doi.org/10.1155/2018/1598178.
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Age-related changes in brain activation other than in the primary motor cortex are not well known with respect to dynamic balance control. Therefore, the current study aimed to explore age-related differences in the control of static and dynamic postural tasks using fMRI during mental simulation of balance tasks. For this purpose, 16 elderly (72 ± 5 years) and 16 young adults (27 ± 5 years) were asked to mentally simulate a static and a dynamic balance task by motor imagery (MI), action observation (AO), or the combination of AO and MI (AO + MI). Age-related differences were detected in the form of larger brain activations in elderly compared to young participants, especially in the challenging dynamic task when applying AO + MI. Interestingly, when MI (no visual input) was contrasted to AO (visual input), elderly participants revealed deactivation of subcortical areas. The finding that the elderly demonstrated overactivation in mostly cortical areas in challenging postural conditions with visual input (AO + MI and AO) but deactivation in subcortical areas during MI (no vision) may indicate that elderly individuals allocate more cortical resources to the internal representation of dynamic postural tasks. Furthermore, it might be assumed that they depend more strongly on visual input to activate subcortical internal representations.
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Suso-Martí, Luis, Jose Vicente León-Hernández, Roy La Touche, Alba Paris-Alemany, and Ferran Cuenca-Martínez. "Motor Imagery and Action Observation of Specific Neck Therapeutic Exercises Induced Hypoalgesia in Patients with Chronic Neck Pain: A Randomized Single-Blind Placebo Trial." Journal of Clinical Medicine 8, no. 7 (July 12, 2019): 1019. http://dx.doi.org/10.3390/jcm8071019.
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The aim of the present study was to explore the pain modulation effects of motor imagery (MI) and action observation (AO) of specific neck therapeutic exercises both locally, in the cervical region, and remotely. A single-blind, placebo clinical trial was designed. A total of 30 patients with chronic neck pain (CNP) were randomly assigned to an AO group, MI group, or placebo observation (PO) group. Pain pressure thresholds (PPTs) of C2/C3, trapezius muscles, and epicondyle were the main outcome variables. Secondary outcomes included heart rate measurement. Statistically significant differences were observed in PPTs of the cervical region in the AO and MI groups between the preintervention and first postintervention assessment. Significant differences were found in the AO group in the epicondyle between the preintervention, first and second post-intervention assessments. Regarding heart rate response, differences were found in the AO and MI groups between the preintervention and average intervention measurements. AO and MI induce immediate pain modulation in the cervical region and AO also induces remote hypoalgesia. OA appears to lead to greater pain modulation as well as a greater heart rate response, however, both should be clinically considered in patients with CNP.
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Abbruzzese, Giovanni, Laura Avanzino, Roberta Marchese, and Elisa Pelosin. "Action Observation and Motor Imagery: Innovative Cognitive Tools in the Rehabilitation of Parkinson’s Disease." Parkinson's Disease 2015 (2015): 1–9. http://dx.doi.org/10.1155/2015/124214.
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Parkinson’s disease (PD) is characterized by a progressive impairment of motor skills with deterioration of autonomy in daily living activities. Physiotherapy is regarded as an adjuvant to pharmacological and neurosurgical treatment and may provide small and short-lasting clinical benefits in PD patients. However, the development of innovative rehabilitation approaches with greater long-term efficacy is a major unmet need. Motor imagery (MI) and action observation (AO) have been recently proposed as a promising rehabilitation tool. MI is the ability to imagine a movement without actual performance (or muscle activation). The same cortical-subcortical network active during motor execution is engaged in MI. The physiological basis of AO is represented by the activation of the “mirror neuron system.” Both MI and AO are involved in motor learning and can induce improvements of motor performance, possibly mediated by the development of plastic changes in the motor cortex. The review of available evidences indicated that MI ability and AO feasibility are substantially preserved in PD subjects. A few preliminary studies suggested the possibility of using MI and AO as parts of rehabilitation protocols for PD patients.
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Mouthon, A., J. Ruffieux, and W. Taube. "Modulation of intracortical inhibition during physically performed and mentally simulated balance tasks." European Journal of Applied Physiology 121, no. 5 (February 19, 2021): 1379–88. http://dx.doi.org/10.1007/s00421-020-04577-1.
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Abstract Purpose Action observation (AO) during motor imagery (MI), so-called AO + MI, has been proposed as a new form of non-physical training, but the neural mechanisms involved remains largely unknown. Therefore, this study aimed to explore whether there were similarities in the modulation of short-interval intracortical inhibition (SICI) during execution and mental simulation of postural tasks, and if there was a difference in modulation of SICI between AO + MI and AO alone. Method 21 young adults (mean ± SD = 24 ± 6.3 years) were asked to either passively observe (AO) or imagine while observing (AO + MI) or physically perform a stable and an unstable standing task, while motor evoked potentials and SICI were assessed in the soleus muscle. Result SICI results showed a modulation by condition (F2,40 = 6.42, p = 0.009) with less SICI in the execution condition compared to the AO + MI (p = 0.009) and AO (p = 0.002) condition. Moreover, switching from the stable to the unstable stance condition reduced significantly SICI (F1,20 = 8.34, p = 0.009) during both, physically performed (− 38.5%; p = 0.03) and mentally simulated balance (− 10%, p < 0.001, AO + MI and AO taken together). Conclusion The data demonstrate that SICI is reduced when switching from a stable to a more unstable standing task during both real task execution and mental simulation. Therefore, our results strengthen and further support the existence of similarities between executed and mentally simulated actions by showing that not only corticospinal excitability is similarly modulated but also SICI. This proposes that the activity of the inhibitory cortical network during mental simulation of balance tasks resembles the one during physical postural task execution.
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Dos Anjos, Typhanie, Aymeric Guillot, Yann Kerautret, Sébastien Daligault, and Franck Di Rienzo. "Corticomotor Plasticity Underlying Priming Effects of Motor Imagery on Force Performance." Brain Sciences 12, no. 11 (November 13, 2022): 1537. http://dx.doi.org/10.3390/brainsci12111537.
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The neurophysiological processes underlying the priming effects of motor imagery (MI) on force performance remain poorly understood. Here, we tested whether the priming effects of embedded MI practice involved short-term changes in corticomotor connectivity. In a within-subjects counterbalanced experimental design, participants (n = 20) underwent a series of experimental sessions consisting of successive maximal isometric contractions of elbow flexor muscles. During inter-trial rest periods, we administered MI, action observation (AO), and a control passive recovery condition. We collected electromyograms (EMG) from both agonists and antagonists of the force task, in addition to electroencephalographic (EEG) brain potentials during force trials. Force output was higher during MI compared to AO and control conditions (both p < 0.01), although fatigability was similar across experimental conditions. We also found a weaker relationship between triceps brachii activation and force output during MI and AO compared to the control condition. Imaginary coherence topographies of alpha (8–12 Hz) oscillations revealed increased connectivity between EEG sensors from central scalp regions and EMG signals from agonists during MI, compared to AO and control. Present results suggest that the priming effects of MI on force performance are mediated by a more efficient cortical drive to motor units yielding reduced agonist/antagonist coactivation.
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Cuenca-Martínez, Ferran, Luis Suso-Martí, Mónica Grande-Alonso, Alba Paris-Alemany, and Roy La Touche. "Combining motor imagery with action observation training does not lead to a greater autonomic nervous system response than motor imagery alone during simple and functional movements: a randomized controlled trial." PeerJ 6 (July 6, 2018): e5142. http://dx.doi.org/10.7717/peerj.5142.
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Both motor imagery (MI) and action observation (AO) trigger the activation of the neurocognitive mechanisms that underlie the planning and execution of voluntary movements in a manner that resembles how the action is performed in a real way. The main objective of the present study was to compare the autonomic nervous system (ANS) response in an isolated MI group compared to a combined MI + AO group. The mental tasks were based on two simple movements that are recorded in the revised movement imagery questionnaire in third-person perspective. The secondary objective of the study was to test if there was any relationship between the ANS variables and the ability to generate mental motor imagery, the mental chronometry and the level of physical activity. The main outcomes that were measured were heart rate, respiratory rate and electrodermal activity. A Biopac MP150 system, a measurement device of autonomic changes, was used for the quantification and evaluation of autonomic variables. Forty five asymptomatic subjects were selected and randomized in three groups: isolated MI, MI + AO and control group (CG). In regards to the activation of the sympathetic nervous system (SNS), no differences were observed between MI and MI + AO groups (p > .05), although some differences were found between both groups when compared to the CG (p < .05). Additionally, even though no associations were reported between the ANS variables and the ability to generate mental motor imagery, moderate-strong positive associations were found in mental chronometry and the level of physical activity. Our results suggest that MI and MI + AO, lead to an activation of the SNS, although there are no significant differences between the two groups. Based on results obtained, we suggest that tasks of low complexity, providing a visual input through the AO does not facilitates their subsequent motor imagination. A higher level of physical activity as well as a longer time to perform mental task, seem to be associated with a greater increase in the ANS response.
Dissertations / Theses on the topic "AO+MI"
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Paiva, Emanuel Henrique Gomes. "Avalia??o do concreto de cimento portland com res?duo da produ??o de scheelita em substitui??o ao agregado mi?do." Universidade Federal do Rio Grande do Norte, 2013. http://repositorio.ufrn.br:8080/jspui/handle/123456789/14847.
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Previous issue date: 2013-08-23From the 70`s, with the publication of the Manifesto for Environment UN Conference, held in Stockholm, in Sweden (1972), defend and improve the environment became part of our daily lives. Thus, several studies have emerged in several segments in order to reuse the waste. Some examples of waste incorporated in portland cement concrete are: rice husk ash, bagasse ash of cane sugar, powder-stone, microsilica, tire rubber, among others. This research used the residue of the mining industry Scheelite, to evaluate the incorporation of the residue composition of Portland cement concrete, replacing the natural sand. The percentage of residue were incorporated from 0% to 100%, with a variation of 10%, 11 being produced concrete mix in the ratio 1:2:3:0.60, by mass. We evaluated the following characteristics of concrete: slump test, compressive strength, tensile strength by diametral compression, water absorption, porosity and density, based on the ABNT, through tests performed in the Laboratory of Civil Construction, UFRN. The trace with the addition of 60% scheelite residue was obtained which better performance. Therefore, the use of the waste from the production of Scheelite is feasible due to the durability parameters (water absorption and porosity), sustainability, and the good results of the resistance of the concrete
A partir da d?cada de 70, com a publica??o do Manifesto Ambiental pela Confer?ncia das Na??es Unidas, realizada em Estocolmo, na Su?cia (1972), defender e melhorar o meio ambiente passou a fazer parte do nosso cotidiano. Dessa forma, v?rias pesquisas ligadas a sustentabilidade surgiram em diversos segmentos com o objetivo do aproveitamento de res?duos. Alguns exemplos de res?duos incorporados ao concreto de cimento Portland s?o: cinza da casca de arroz, cinza do baga?o de cana-de-a??car, p?-de-pedra, micros?lica, borracha de pneu, entre outros. Este estudo utilizou o res?duo da produ??o da ind?stria da minera??o de Scheelita, com o objetivo de avaliar a incorpora??o do res?duo ? composi??o do concreto de cimento Portland, em substitui??o da areia natural. As porcentagens incorporadas do res?duo foram de 0% at? 100%, com varia??o de 10%, sendo produzidos 11 tra?os de concreto na propor??o 1:2:3:0,60, em massa. Foram avaliadas as seguintes caracter?sticas do concreto: trabalhabilidade, resist?ncia ? compress?o axial, resist?ncia ? tra??o por compress?o diametral, absor??o de ?gua, ?ndice de vazios e massa espec?fica, tendo como base as normas da ABNT, atrav?s de ensaios realizados no Laborat?rio de Constru??o Civil da UFRN. O tra?o com a incorpora??o de 60% de res?duo de Scheelita foi o que obteve melhor desempenho. Portanto, o uso do res?duo da produ??o de Scheelita ? vi?vel, devido aos par?metros de durabilidade (absor??o de ?gua e ?ndice de vazios), da sustentabilidade, e dos bons resultados das resist?ncias do concreto
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Fernandes, Tiago Veiga. "Understanding the mobile consumer: context of use in mobile data services." Master's thesis, 2013. http://hdl.handle.net/10071/6065.
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ProjectoEsta dissertação visa compreender de que forma o contexto influencia a utilização de serviços de dados móveis. Procura-se assim compreender o papel do contexto de utilização na forma como o utilizador percepciona os serviços e a forma como a experiencia de utilização destes é modificada em função desse mesmo contexto. O objectivo passa em parte por aferir do potencial dos serviços móveis de dados sensíveis ao contexto ao mesmo tempo que se procura estabelecer linhas orientadoras para futuras pesquisas sobre serviços de dados móveis e a sua relação com o contexto. Os resultados deste estudo apontam para uma relação incontornável entre o contexto de uso e a utilidade percebida dos serviços de dados móveis, confirmando que as tecnologias móveis são, por sua própria natureza, sensíveis ao contexto de utilização e que há do ponto de vista de mercado um potencial inexplorado nesse âmbito, dada a sua penetração baixa em Portugal em 2010. Confirma-se também que os diferentes aspetos do contexto de utilização tem impactos diferentes na utilidade percebida do utilizador, pelo que faz sentido abordar o tema do contexto de uma forma mais aprofundada, especialmente quando se trata de uma tecnologia intrinsecamente sensível ao contexto de utilização.
This study examines context of use of mobile data services in order to better comprehend how context impacts perceived usefulness and actual usage of mobile data services. The goal is to provide a deeper understanding of the potential of context-aware mobile data services and give pointers of how future research on mobile data services should approach context of use. The results of this study point to an unavoidable relation between context of use and actual use of mobile data services, confirming that mobile technologies are, by their own nature, extremely sensitive to context of use and that there is indeed untapped potential in context-aware data services from a market perspective, given their low penetration in Portugal 2010. It is also confirmed that the different aspects of context of use have different impacts on the perceived usefulness of the user. This means that it makes sense to address the issue of context using a more thorough approach, especially when it comes to dealing with a kind of technology that is itself very sensitive to context of use.
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Capitão, José Manuel Ribeiro. "Iniciação ao clarinete : estudo de caso." Master's thesis, 2017. http://hdl.handle.net/10400.14/23825.
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O ensino da música deve ser realizado o mais precocemente possível, no entanto, a maioria dos instrumentos não possuem dimensões e pesos adequados a crianças pequenas. O uso continuado de instrumentos não compatíveis com a fisionomia dos alunos pode causar problemas físicos, maus vícios de postura, de execução instrumental e desmotivação.
O presente trabalho foi desenvolvido com o intuito de aferir qual o clarinete mais adequado para iniciar a aprendizagem em crianças com idades compreendidas entre os seis e os nove anos. Para isso, primeiramente, fez-se uma análise bibliográfica dos temas que consideramos pertinentes para o efeito. Numa segunda fase, realizou-se um estudo de caso, o mais representativo possível, tendo em conta a realidade do autor, em que os instrumentos de avaliação foram: questionários aos professores de clarinete do ensino artístico especializado da música, em Portugal; questionários a três professores e aos seus respetivos alunos de iniciação; e a observação de cinco aulas de nove alunos de iniciação, em quatro escolas de ensino da música no Norte de Portugal. Este estudo incidiu em alunos com idades compreendidas entre os seis e os nove anos e recaiu sobre o clarinete em Si bemol, o clarinete em Mi bemol e o clarinéo.
Os resultados obtidos sugerem que os três clarinetes são viáveis para iniciar a aprendizagem. Contudo terá que ser feita uma diferenciação de aluno para aluno, adotando o instrumento em função das características físicas de cada um.Music education should start as early as possible, however most instruments are not of an appropriate size and weight for small children. Continued use of instruments that are incompatible with pupils’ physiognomy may lead to physical problems, poor postural and playing habits, as well as a lack of motivation. The objective of this study was to determine the most appropriate starter clarinets for children aged six to nine. The first stage was a literature review of the issues considered most relevant to this matter. The second stage involved a case study, the most representative, taking into account the reality of the author in which the assessment tools used were: questionnaires administered to clarinet teachers in specialised music education in Portugal; questionnaires administered to three teachers and their starter pupils; and the observation of five lessons of nine starter pupils, at four music schools in north Portugal. This study addressed pupils aged between six and nine and covered the B-flat clarinet, the E-flat clarinet and the Clarinéo. The results obtained suggest that all three clarinets are suitable for starting to learn. However, a differentiated approach is required for each pupil and the instrument should be adopted in accordance with their individual physical characteristics.
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Gonçalves, André Pereira. "Controlo da máquina de indução duplamente alimentada, com vista ao estudo do impacte de falhas na rede no comportamento de geradores eólicos." Master's thesis, 2013. http://hdl.handle.net/10316/40439.
Full textBooks on the topic "AO+MI"
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Chʻan mi chiao ti ao mi. Tʻai-pei shih: Ta chan chʻu pan she yu hsien kung ssu, 1990.
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Amery, Heather. Ren ti ao mi. Taibei Shi: Niudun chu ban gu fen yu xian gong si, 1997.
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Luo pan ao mi. Guangzhou: Hua nan li gong da xue chu ban she, 2014.
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Cui mian ao mi. Chengdu: Cheng du shi dai chu ban she, 2011.
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dan, Chen xiao. Ao mi shi jie. Bei jing: Zhong guo xi ju chu ban she, 2009.
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chun, Zhu li. Ren ti ao mi. Bei jing: Zhong guo hua qiao chu ban she, 2013.
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xun, Gong. Ren ti ao mi. Bei jing: Hua xia chu ban she, 2009.
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Pullman, Philip. Ao mi bi shou. Taibei Xian Xindian Shi: Miao si chu ban, 2002.
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Jian kang ao mi. Beijing: Gong ren chu ban she, 1985.
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zheng, Tan, and Shen jian ping. Shen hai ao mi. Bei jing: Zhong guo shao nian er tong chu ban she, 2000.
Find full textBook chapters on the topic "AO+MI"
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Ribeiro, Lucian Henrique Menezes, and Solange Maisa de Lima Ribeiro. "MI-FACE, UM APLICATIVO QUE DA SEGURANÇA AO USUÁRIO." In Pesquisas e Inovações em Engenharias, Ciências Exatas e da Terra: Produções Científicas Multidisciplinares no Século XXI, Volume 3, 311–18. Instituto Scientia, 2022. http://dx.doi.org/10.55232/1084003.18.
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Fuchshofer, Katrin, Christian Merz, Kerstin Denecke, and Corina Schuster-Amft. "Intervention Platform for Action Observation and Motor Imagery Training After Stroke: Usability Test." In Studies in Health Technology and Informatics. IOS Press, 2022. http://dx.doi.org/10.3233/shti220324.
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Action observation (AO) and motor imagery (MI) are considered as promising therapeutic approaches in the rehabilitation of patients after a stroke (PaS). Observing and mentally rehearsing motor movements stimulate the motor system in the brain and result in a positive effect on movement execution. To support patients in the early rehabilitation phase after a stroke, ANIMATE, a digital health intervention platform was developed. The platform guides the user through 6 activities of daily living by observing and imagining the corresponding movements. We conducted a scenario-based usability test with 9 PaS at a rehabilitation centre to identify existing usability issues. PaS found the app easy to use and they could interact with it without problems. Although they judged the app as useful, they stated to be not willing to use the app on a regular basis. Including features for customising ANIMATE regarding the individual rehabilitation goals and needs of PaS, as well as personalisation could help in increasing the motivation to use and the benefits of the platform.
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Almeida, Catarina Coelho, Esdras Marques Lins, Fernanda Appolonio Rocha, Simone Cristina Soares Brandão, Flavia Cristina Morone Pinto, José Lamartine de Andrade Aguiar, and José Luiz de Lima Filho. "ALTERAÇÕES LINFOCINTIGRÁFICAS NOS MEMBROS INFERIORES EM PACIENTES PORTADORES DE FEBRE CHIKUNGUNYA." In Pesquisa e Inovação em Ciências da Saúde, 80–91. Bookerfield Editora, 2022. http://dx.doi.org/10.53268/bkf22050106.
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A Febre Chikungunya (FC) é uma arbovirose caracterizada por febre, mialgia e poliartralgia. Linfedema em membros inferiores foi observado em vários pacientes durante um surto de FC no estado de Pernambuco (Brasil) em 2016. Não há relatos de doença dos vasos linfáticos devido à febre de Chikungunya. O objetivo do estudo foi acompanhar as alterações linfáticas nos membros inferiores de 16 pacientes com FC, por meio da linfocintilografia. Métodos: Estudo prospectivo observacional com pacientes em fase aguda de FC (diagnóstico sorológico confirmado) com edema de MI submetidos a avaliação clínica e linfocintilografia em fase inicial e após 90 dias. Resultados: Dezesseis pacientes (81% mulheres) participaram deste estudo. Todos os pacientes apresentavam linfedema de membros inferiores, sendo 15 (94%) bilaterais. Dos 31 membros acometidos pelo linfedema, 24 (77%) apresentavam anormalidades na drenagem linfática na linfocintilografia. O atraso na visualização dos linfonodos pélvicos foi a alteração linfocintilográfica mais frequente, observada em 16 (51,6%) membros inferiores. Nove (56%) pacientes foram reavaliados clinicamente após 90 dias, e todos os 18 membros inferiores permaneceram com linfedema. Uma segunda linfocintilografia mostrou alterações persistentes em 13 (72%) dos 18 membros. Conclusão: A FC pode levar ao linfedema, e o linfedema pode persistir ou progredir após três meses da fase aguda da doença.
Conference papers on the topic "AO+MI"
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RIBEIRO, lucian henrique menezes, and solange maisa de LIMA. "Mi-Face, um aplicativo que da segurança ao usuário." In Anais da VII Mostra de Pesquisa em Ciência e Tecnologia DeVry Brasil. Recife, Brasil: Even3, 2016. http://dx.doi.org/10.29327/13455.7-14.
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Hu, Bo, David Marks, and Xiao Sun. "Fungal bioprocessing to improve quality of pennycress meal as potential feeding ingredient for monogastric animal." In 2022 AOCS Annual Meeting & Expo. American Oil Chemists' Society (AOCS), 2022. http://dx.doi.org/10.21748/izob6294.
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Pennycress is an annual cover crop in temperate North America and its seeds contain around 30% of oil and 20% of crude protein. Pennycress oil can be used for biodiesel production, while the seed meal has limited use in animal feed due to its relative high content of phenolic compounds and crude fiber. The nutritional value of pennycress meal (PM) can be improved by processing with GRAS fungal strains. In this study, three fungal strains, Rhizopus oryzae (RO), Mucor indicus (MI), and Aspergillus oryzae (AO), were used to ferment PM that contains 21% of total amino acids and 17% of structure carbohydrates. The fermentation was performed by inoculating each strain to the sterilized PM with initial moisture of 60% and incubated statically at 28 °C for 6 days. Amino acids profile, structure carbohydrates, soluble sugar, phytate, and mycotoxins including total aflatoxins, zearalenone (ZEN), and deoxynivalenol (DON) were monitored on the samples after fermentation. As compared to control without fermentation, the total amino acids were improved by 4.0% with RO and 5.9% with AO. Threonine, arginine, alanine, and lysine were significantly enriched in RO and AO treated meal. RO and MI degraded the fiber component into cellobiose, which was increased by 3 and 5.8-fold, respectively. Phytate was reduced by 46.6% with RO, 37.3% with AO, and 33.3% with MI. Compared with the control, ZEN was reduced by 39.3%, 32%, and 50% in AO, MI and RO treated meal, respectively. Total aflatoxin content was low in PM, and MI and RO treatments further reduced its content after fermentation. No significant change of DON was observed in the PM fermented by each strain. This study demonstrated the potential of using fungi to improve the feeding value of PM, which could potentially promote the plantation of oilseed crops in the region.
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Mant, M. J., P. V. Greenwood, C. T. Kappagoda, and B. C. Hamacher. "TRANSCORONARY PLATELET ACTIVATION AND CONSUMPTION IN CORONARY ARTERY DISEASE (CAD): STUDIES DURING PACING TACHYCARDIA." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643025.
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Plasma platelet factor 4 (PF4), beta-thromboglobulin (BTG) and platelet counts (PC) were measured in blood from the aortic root (Ao) and the coronary sinus (CS) in 13 subjects with CAD immediately after atrial pacing to a heart rate of 130/min, to ischemic ECG changes or to angina. The same studies were performed on peripheral vein (PV) blood before and after pacing. Blood was collected before heparinisation. Blood from the Ao and CS was collected through catheters containing an anti-coagulant/antiplatelet solution. This technique has been shown to cause minimal or no platelet activation. Of the 13 subjects, 9 underwent investigation for exertional angina, 3 for myocardial infarction (MI) within 6 months, and 1 subject for both reasons. At coronary angiography after our studies, 9 subjects had hemodynamically significant 2 or 3 vessel CAD with at least 1 vessel of a dominant system and 4 had a lesser degree of CAD. Mean values in blood from the PV before pacing, and from the Ao, CS and PV after pacing were respectively: PF4 (ng/ml) -3.7, 8.8, 10.5, 9.6; BTG (ng/ ml) -17.2, 25.9, 28.7, 25.1; and PC (x109/1) - 213, 206, 200, 209. There was no significant difference (analysis of variance) between means in blood obtained from the Ao, CS and PV after pacing. For PF4 and BTG each of these 3 values was significantly higher than the PV values before pacing. Of the 13 subjects, 5 had angina during pacing. Mean results in these 5 subjects from the Ao and CS were not significantly different and were respectively: PF4 - 9.6 and 12.9-, BTG - 27.9 and 34.0, and PC - 204 and 197. Results in the 8 subjects who did not have angina during pacing were similar, as were results in the 4 subjects who had sustained a recent MI and in the 9 subjects who had not. These results indicate that the presence of the catheters and/or the pacing procedure causes slight platelet activation. However, they provide no support for the hypothesis that transcoronary platelet activation occurs during tachycardia and thus could contribute to angina. They also provide no support for the hypothesis that transcoronary platelet activation occurs during angina in patients with stable CAD, whether as a cause of it or a result.
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Souza, Eduardo Felipe de, and Marcelo Costa Oliveira. "MMI-GAN: Multi Medical Imaging Translation using Generative Adversarial Network." In Anais Estendidos do Simpósio Brasileiro de Computação Aplicada à Saúde. Sociedade Brasileira de Computação (SBC), 2021. http://dx.doi.org/10.5753/sbcas.2021.16105.
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A tradução de imagens médicas é considerada uma nova fronteira no campo da análise de imagens médicas, com grande potencial de aplicação. No entanto, as abordagens existentes têm escalabilidade e robustez limitadas no manuseio de mais de dois domínios de imagens. Para resolver essas limitações, desenvolvemos a MMI-GAN, uma nova abordagem para tradução entre múltiplos domínios de imagem, capaz de traduzir imagens intermodais (TC e RM) e intramodais (PD, T1 e T2) usando apenas um gerador e um discriminador. As imagens traduzidas pela MMI-GAN conseguiram obter MAE de 5.79, PSNR de 27.39, MI de 1.43 e SSIM de 0.90. Os seus resultados foram por muitas vezes estaticamente equiparáveis ou superiores ao estado da arte.
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Biazus, Paola, Lais Tasca, and Marcelo Taglietti. "EFETIVIDADE DA TERAPIA DE SUPORTE NA FORÇA MUSCULAR, FUNÇÃO VENTILATÓRIA E QUALIDADE DE VIDA EM PORTADORES DE WERDNIG-HOFFMAN: UMA REVISÃO SISTEMÁTICA." In II Congresso Brasileiro de Saúde On-line. Revista Multidisciplinar em Saúde, 2021. http://dx.doi.org/10.51161/rems/1464.
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Introdução: A atrofia muscular espinhal (AME) é uma doença neuromuscular degenerativa, tem origem genética e sua classificação clinica se dá de acordo com a idade do início da doença sendo classificada em severa, intermediária e branda. A AME tipo 1, ou doença de Werding-Hoffman é considerada severa, caracterizada por fraqueza muscular grave e progressiva, envolvendo principalmente o sistema respiratório. Os métodos de tratamento de suporte trazem benefícios em prolongar a sobrevida do paciente através do uso da VNI (ventilação mecânica não invasiva) e o uso de MI-E (insuflação/exsuflação mecânica). Objetivos: avaliar a eficácia da terapia de suporte no tratamento da doença de Werdnig-Hoffman. Materiais e métodos: Trata-se de uma revisão sistemática, que efetuou a busca de ensaios clínicos aleatórios nas bases de dados Medical Literature Analysis and Retrieval Sistem Online (MedLine/PubMed), Physiotherapy Evidence Database (PEDro), Portal Regional da BVS – Biblioteca Virtual em Saúde, Biblioteca Cochrane e Plataforma Google Acadêmico. A coleta dos artigos foi realizada no período de março/abril de 2021, sendo incluídos estudos dos últimos 20 anos. A qualidade metodológica dos estudos foi avaliada pela escala PEDro. Resultados: Foram inclusos 5 artigos que se encaixavam nos critérios propostos de terapia de suporte na AME para os desfechos investigados, sendo de baixa a alta qualidade metodológica. A idade variou de 2 a 270 meses de idade, de ambos os gêneros. Em todos, a VNI apresentou uma melhora da sobrevida e menor frequência de hospitalizações ao longo dos anos, melhorando a qualidade de vida e, a MI-E mostrou-se eficaz na extubação da ventilação mecânica e como terapia auxiliar em melhor a efetividade da tosse. Conclusão: a terapia de suporte como recurso de tratamento para pacientes com AME tipo 1 traz efeitos positivos na melhora da qualidade de vida, aumento da sobrevida, reduz a frequência de internações e melhora a efetividade da tosse nessa população.
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Almeida, Otavio Rodrigues de Camargo, Rayssa Tainara Dos Santos Oliveira, and Maristela Rodrigues De Camargo Almeida. "O CICLO DE VIDA DA DANAUS ERIPPUS DO INTERIOR DO ESTADO DE SÃO PAULO." In I Congresso Brasileiro On-line de Biologia de Insetos. Revista Multidisciplinar de Educação e Meio Ambiente, 2021. http://dx.doi.org/10.51189/rema/2302.
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Introdução: A borboleta monarca do Sul reside em quase todos os estados do Brasil, com exceção da região norte, apesar disso a quantidade de informações disponíveis na literatura sobre Danaus erippus no Brasil e na América do Sul é baixíssima, ainda mais quando comparada a algumas espécies do mesmo gênero, e de outros gêneros também, até mesmo as informações sobre o ciclo de vida do inseto são escassas, coisas como hábitos alimentares, predadores, tempo de vida, migratório x não migratório, até então não foram documentadas. Objetivo: Dito isso o presente trabalho visou documentar o máximo de informações possíveis sobre o ciclo de vida de D.erippus na cidade de Bom Sucesso de Itararé, São Paulo, Brasil. Material e métodos: dentro do período determinado de um ano, tendo início em maio de 2020 e sendo finalizada em maio de 2021, totalizando 12 meses de observação, a área de observação se restringiu ao quintal da minha casa, localizado a 991 metros de altitude, Latitude: 24°19’18.92” S, longitude: 49°08’46.44” O, onde havia quatro conjuntos de plantas hospedeiras e condições ideais para a sobrevivência da espécie, sem a interferência humana, o processo todo ocorreu de forma natural, sendo utilizado apenas a câmera de um celular Xiaomi mi A3 para registro das imagens. Resultados: Durante a presente pesquisa registrou-se 561 ovos, 379 lagartas, 25 crisálidas e 16 borboletas de D.erippus, bem como também foi registrado os predadores, hábitos alimentares, o tempo de cada ciclo e algumas condições adversas que ocorreram e foram prejudiciais para a sobrevivência da borboleta. Conclusão: Com a experiência obtida através de observações in loco, com as revisões bibliográficas realizadas podemos concluir que o ciclo de vida da borboleta monarca do Sul, assim como o ciclo de vida de várias espécies, é extremamente importante para o ecossistema, pois além de na fase adulta polinizar as plantas, nas fases anteriores da sua vida ela desempenha um papel fundamental no controle da planta A.curassavica, além de servir de alimento para outras espécies de animais.
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Filho, Osvaldo Fernandes Palermo. "UTILIZAÇÃO DO ÁCIDO TRANEXÂMICO PARA TRATAMENTO DO MELASMA." In III Congresso Brasileiro de Ciências Farmacêuticas On-line. Revista Multidisciplinar em Saúde, 2022. http://dx.doi.org/10.51161/conbracif/04.
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Introdução: Na sociedade atual, a aparência física tornou-se aspecto de grande importância. As manchas da pele faciais causam transtornos que dificultam o bem-estar do indivíduo no âmbito psicossocial. Uma dessas discromias é o melasma. Diante disso, existe uma tendência na busca de artifícios para retardar esse processo e o ácido tranexâmico pode auxiliar no tratamento das hipercromias. Objetivo: O objetivo geral é discorrer sobre o uso do ácido tranexâmico no tratamento do melasma. E, os objetivos específicos: discorrer sobre o melasma; descrever a estrutura química do ácido tranexâmico, suas aplicações e o mecanismo de ação no tratamento do melasma; descrever as vantagens do uso ácido tranexâmico no tratamento do melasma e técnicas utilizadas em associação. Material e métodos: O trabalho foi feito através de um estudo qualitativo, do tipo revisão de literatura nas bibliotecas virtuais: Medline, PubMed, SciELO e LILACS, de artigos publicados no período de 2009 a 2021, publicados nos idiomas português, inglês e espanhol. A terapia de primeira linha para melasma são os tratamentos tópicos e incluem a fotoprotecão. O melasma é uma hipermelanose crônica, adquirida, que acomete principalmente a região frontal e malar, ou seja, as áreas fotoexpostas da pele que afeta a qualidade de vida dos pacientes, sendo caracterizada por máculas irregulares claras a escuras, principalmente nas bochechas, testa, lábio superior, nariz e queixo, podendo acometer a região cervical, torácica anterior e membros superiores. O ácido tranexâmico, ácido carboxílico-trans4-aminometil ciclo-hexano, é um inibidor da plasmina usado para prevenir a fibrinólise para reduzir a perda de sangue. O ácido tranexâmico é um antifibrinolítico, que se liga de forma reversível ao plasminogênio e, portanto, evita sua conversão em plasmina e subsequente degradação da fibrina. Resultados: Pode ser administrado por via oral, tópica ou por métodos físicos. Conclusão: Independentemente do sexo, o uso de ácido tranexâmico sozinho ou com adjuvante, apresenta redução altamente significativa nas pontuações do Índice de área e gravidade do melasma (MASI) e índice de melanina (MI), mas não na pontuação do índice de eritema (EI). Portanto, o ácido tranexâmico é uma terapia eficaz e segura para pacientes com melasma.