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Universidade de São Paulo (USP). Escola Politécnica (EP) (Institutional affiliation from the last research proposal) Birthplace: Brazil
Andre Fabio Kohn graduated in electrical engineering from Escola Politecnica at the University of São Paulo - EPUSP (1973), has a master's degree in electrical engineering from EPUSP (1976) and a Ph.D. in engineering from the University of California at Los Angeles - UCLA (1980). At UCLA, he conducted research on the nervous system of invertebrates (sensory neurons and synapses). In 1994, he conducted research on the human spinal cord at the NIH, National Institutes of Health (Bethesda, USA). He was a full professor of biomedical engineering at EPUSP, where he coordinated the Biomedical Engineering Laboratory (LEB/EPUSP). He is currently a senior full professor at USP, teaching postgraduate courses and participating in research in neural engineering. He has experience in areas related to Biomedical Engineering and Neuroscience, with emphasis on Human Neurophysiology and Computational Neuroscience, currently working on the following topics: postural control in humans, mathematical modeling and simulation of the human neuromuscular system, and neurophysiology of the human spinal cord. He was a full member of the Advisory Committee for Electrical and Biomedical Engineering of the CNPq on two separate occasions, having been its coordinator for 1 year. At EPUSP, he has taught undergraduate and graduate courses on topics such as systems and signal theories, general neuroscience, spinal cord neuroscience, digital signal processing, stochastic processes, pattern recognition, neural engineering, random signal processing, and biomedical signal processing.Abrir no Google TradutorFeedbackGoogle TradutorGoogle Tradutorhttps://translate.google.com.brO serviço do Google, oferecido sem custo financeiro, traduz instantaneamente palavras, frases e páginas da Web do português para mais de cem outros idiomas.As pessoas também perguntamComo se escreve a palavra português em inglês?Como se escreve chocolate em inglês no Google Tradutor?O que é a API Google Translate?Como traduzir um link?FeedbackTranslate from Portuguese to English with DeepL (Source: Lattes Curriculum)
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The details of how light touch (LT) of a stable surface reduces postural sway are still not well known. We hypothesized that removal of feedback provided by muscle afferents of the touching fingertip would increase postural sway in standing subjects. Eleven participants stood upright on a force plate with eyes closed and on an unstable surface. The experimental conditions involved two dif…
Mechanically evoked reflexes have been postulated to be less sensitive topresynaptic inhibition (PSI) than the H-reflex. This has implications on investigations ofspinal cord neurophysiology that are based on the T-reflex. Preceding studies have shownan enhanced effect of PSI on the H-reflex when a train of ~10 conditioning stimuli at 1Hzwas applied to the nerve of the antagonist muscle. …
The first objective of this study is the evaluation of the proprioceptive feedback associated with the ankle and at the same time verifying if its sensitivity can be increased by means of random electrical stimulation. Brain responses in humans to different angular variations in the ankle will be analyzed in an effort to provide objective estimates of the sensitivity and the dynamics to a…
(Only some records are available in English at this moment)
Large-scale computational models of the neuromuscular system have been shown to be very useful in the study of motor control in healthy subjects. However, these models have practically not been used for the study of neuromuscular pathologies. The present project intends to investigate pathologies that cause demyelination of the motor and sensory axons by means of a large-scale computation…
Transcutaneous spinal direct current stimulation (tsDCS) has been shown to modulate spinal excitability even though the underlying neural mechanisms are not known. To increase the knowledge about the plasticity of spinal cord circuitry by tsDCS, we will investigate the effects of stimulating an important neural circuit responsible for regulating the presynaptic inhibition (PSI) of soleus …
Women are frequently more fatigue resistant than men (women have longer time to task failure) during static contractions, such as the ones performed in postural tasks. The magnitude of presynaptic inhibition can potentially determine the time to task failure during static contractions. However, a sex difference in this mechanism is not known. Thus, the central aim of this project is to de…
(Only some records are available in English at this moment)
Neurophysiological changes have been associated to motor skill learning. For instance, following ankle force-matching practice, increased corticospinal excitability (assessed by Transcranial Magnetic Stimulation - TMS) and higher interaction between motor cortex and motoneurons (assessed by electroencephalography and electromyography) are observed. However, the corticospinal adaptation af…
The current project aims at examining reflex modulations during gait in human subjects. This study is an extension of an ongoing investigation on bilateral reflex modulation in seated humans. A complementary study on seated subjects, proposed for the second year of the fellowship, will be finished on the PD fellow's return from his internship in Japan. The main tool for studying changes i…