Assessing vibratory stimulation-induced cortical activity during a motor task—A randomized clinical study
| Autor: | Rayele Pricila Moreira dos Santos, Janaína de Moraes Silva, Victor Hugo Bastos, Charlanne de Oliveira Marques, Mário Oliveira Lima, Alderico Rodrigues de Paula Júnior, Maria da Conceição Barros Oliveira, Felipe Aurélio Nunes de Sousa, Silmar Teixeira, Fernanda Pupio Silva Lima |
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| Rok vydání: | 2015 |
| Předmět: |
Adult
Male medicine.medical_specialty Movement Audiology Electroencephalography Vibration Fingers Random Allocation Young Adult Beta band Physical Stimulation Reaction Time medicine Humans Cerebral Cortex medicine.diagnostic_test General Neuroscience Vibratory stimulation Motor Cortex Index finger Electrophysiology medicine.anatomical_structure Cerebral cortex Female Psychology Neuroscience Motor cortex |
| Zdroj: | Neuroscience Letters. 608:64-70 |
| ISSN: | 0304-3940 |
| DOI: | 10.1016/j.neulet.2015.09.032 |
| Popis: | Effects of vibratory stimulation on motor performance have been widely investigated. Many theories have been applied, in order to evaluate its influence on individuals; however, very few studies have researched vibratory stimulation-induced cortical behavior. The aim of the present study is to investigate behavioral changes, such as reaction time and index finger movements, as well as electrophysiological changes, using beta band absolute power, in subjects submitted to vibratory stimulation. For this study, 30 healthy subjects were randomly selected and divided into two groups, experimental and control, and were submitted to a right index finger task, before and after vibratory stimulation, which was applied to the right upper limb, while their standard cerebral activity was recorded through electroencephalogram. No significant difference was found among behavioral variables. On the other hand, beta band absolute power significantly increased in the experimental group for the C3, C4 and P4 derivations, while it decreased at P3. The results suggest that electrophysiological changes were induced by vibratory stimulation, while reaction time and task-related movements were not affected by it. |
| Databáze: | OpenAIRE |
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