Limbs Movement and Motor Imagery: an EEG Study

被引：2

作者：

Grilo Jr, Marcelo ^{[1
]}

Santos, Eliana ^{[1
]}

Moraes, Caroline ^{[1
]}

Mondejar, Alice ^{[1
]}

Ascencao, Paulo ^{[1
]}

Araujo, Luciano ^{[1
]}

Neves, Aline ^{[1
]}

Fraga, Francisco ^{[1
]}

机构：

[1] Fed Univ ABC UFABC, Modelling & Appl Social Sci Ctr, Engn, Santo Andre, SP, Brazil

来源：

2019 E-HEALTH AND BIOENGINEERING CONFERENCE (EHB) | 2019年

基金：

巴西圣保罗研究基金会;

关键词：

Event-Related Synchronization (ERS); Event-related Desynchronization (ERD); Event-Related Spectrum Perturbation (ERSP); Motor imagery; Brain Computer Interface (BCI); RIGHT FOOT MOVEMENTS; DYNAMICS; HAND;

D O I：

10.1109/ehb47216.2019.8969891

中图分类号：

R19 [保健组织与事业（卫生事业管理）];

学科分类号：

摘要：

In this paper, we used EEG recordings to investigate event-related desynchronization (ERD) and event-related synchronization (ERS) in 30 subjects, in order to differentiate between motor execution and motor imagery for hands and feet movement and imagination, respectively. ERD and ERS measurements were calculated by ERSP with the gain model. We analyzed Theta, Alpha and Beta bands in pre-motor, motor and sensorimotor regions. In the experimental procedure, for hand movement and imagination it was possible to identify an Alfa desynchronization during motor execution and a Beta synchronization during motor imagery. However, for feet movement, no significant ERD was observed whatsoever in any bands. On the other hand, during motor imagery of the feet, a synchronization occurred in Alfa band at centro-parietal channels (sensorimotor region) contralateral to the imagined foot movement. We believe these findings could be considered when designing a Brain Computer Interface (BCI) systems based on the motor imagery paradigm.

引用

页数：4

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