Recent progress of non-invasive optical modality to brain computer interface: A review study

Brain activity is usually measured by non-invasive modalities. Inter alia, the electroencephalogram (EEG) is used most commonly. However, EEG is very sensitive to other biosignals, so other bio-signal detection modalities must be used as supplementary systems. Functional near-infrared spectroscopy (...

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Bibliographic Details
Published inThe 3rd International Winter Conference on Brain-Computer Interface pp. 1 - 2
Main Authors Jae-Ho Han, Seungbae Ji, Chang Shi, Seung-Beom Yu, Jaeyoung Shin
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.01.2015
Subjects
biomedical optical imaging
Brain
brain-computer interface
Brain-computer interfaces
Electroencephalography
Hemodynamics
Noise
optical signal detection
Robustness
Spectroscopy
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ISBN9781479974948
1479974943
DOI10.1109/IWW-BCI.2015.7073037

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Summary:Brain activity is usually measured by non-invasive modalities. Inter alia, the electroencephalogram (EEG) is used most commonly. However, EEG is very sensitive to other biosignals, so other bio-signal detection modalities must be used as supplementary systems. Functional near-infrared spectroscopy (fNIRS) has good characteristics for use as such a supplementary modality, because brain activities can be measured by fNIRS through hemodynamic responses. Therefore, many scientists have adopted fNIRS for brain machine interface (BCI). Recently, fNIRS has become more compact and is robust to noise, so it could bring us to the development of an effective wearable BCI.
ISBN:9781479974948
1479974943
DOI:10.1109/IWW-BCI.2015.7073037