Cortical oscillatory dynamics of tactile selective sensation: For a novel type of somatosensory Brain-computer Interface

Lin Yao, Mei Lin Chen, Xinjun Sheng, Natalie Mrachacz-Kersting, Xiangyang Zhu, Dario Farina, Ning Jiang

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Abstract

In this study, cortical oscillatory dynamics with respect to tactile selective sensation tasks were investigated. Subjects were required to perform three tactile attention tasks, prompted by cues presented in random order and while both wrists were simultaneously stimulated: 1) selective sensation of the left hand (SS-L), 2) selective sensation of the right hand (SS-R), 3) bilateral selective sensation (SS-B). Even-related (de)synchronization (ERD/ERS) analysis revealed a clear contralateral activation of somatosensory cortex during the SS-L and SS-R tasks, and a bilateral activation during SS-B tasks. Additionally, we found a clear ERS in occipital region of the brain during all the SS tasks. Diverse activation pattern among SS-L, SS-R and SS-B offers novel brain signals for somatosensory Brain-computer Interfaces.

OriginalsprogEngelsk
TitelProceedings of the 39th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS, EMBC 2017
ForlagIEEE
Publikationsdato13 sep. 2017
Sider1656-1659
Artikelnummer8037158
ISBN (Elektronisk)978-1-5090-2809-2
DOI
StatusUdgivet - 13 sep. 2017
Begivenhed39th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS, EMBC 2017 - Jeju Island, Sydkorea
Varighed: 11 jul. 201715 jul. 2017

Konference

Konference39th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS, EMBC 2017
Land/OmrådeSydkorea
ByJeju Island
Periode11/07/201715/07/2017
NavnI E E E Engineering in Medicine and Biology Society. Conference Proceedings
ISSN2375-7477

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