Decoding Finger Flexion using amplitude modulation from band-specific ECoG

Details Decoding Finger Flexion using amplitude modulation from band-specific ECoG Decoding Finger Flexion using amplitude modulation from band-specific ECoG

2009-07-31

arxiv.org/abs/0907.5500v1

European Symposium on Artificial Neural Networks (ESANN) (2009) 467-472

Computer Science

Human-Computer Interaction

Scientific paper

EEG-BCIs have been well studied in the past decades and implemented into several famous applications, like P300 speller and wheelchair controller. However, these interfaces are indirect due to low spatial resolution of EEG. Recently, direct ECoG-BCIs attract intensive attention because ECoG provides a higher spatial resolution and signal quality. This makes possible localization of the source of neural signals with respect to certain brain functions. In this article, we present a realization of ECoG-BCIs for finger flexion prediction provided by BCI competition IV. Methods for finger flexion prediction including feature extraction and selection are provided in this article. Results show that the predicted finger movement is highly correlated with the true movement when we use band-specific amplitude modulation.

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