Med Biol Eng Comput - Discrimination of left and right leg motor imagery for brain-computer interfaces.

Tópicos

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Resumo

This article reports on a study to identify electroencephalography (EEG) signals with potential to provide new BCI channels through mental motor imagery (MMI). Leg motion was assessed to see if left and right leg MMI could be discriminated in the EEG. The study also explored simultaneous observation of leg movement as a means to enhance MMI evoked EEG signals. The results demonstrate that MMI of the left and right leg produce a contralateral preponderance of EEG alpha band desynchronization, which can be spatially discriminated. This suggests that lower extremity MMI could provide signals for additional BCI channels. The study also shows that movement imitation enhances alpha band desynchronization during MMI, and might provide a useful aid in the identification and training of BCI signals.

Resumo Limpo

articl report studi identifi electroencephalographi eeg signal potenti provid new bci channel mental motor imageri mmi leg motion assess see left right leg mmi discrimin eeg studi also explor simultan observ leg movement mean enhanc mmi evok eeg signal result demonstr mmi left right leg produc contralater preponder eeg alpha band desynchron can spatial discrimin suggest lower extrem mmi provid signal addit bci channel studi also show movement imit enhanc alpha band desynchron mmi might provid use aid identif train bci signal

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