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dc.contributor.author Lee, Seung Hyun -
dc.contributor.author Jin, Sang Hyeon -
dc.contributor.author An, Jinung -
dc.date.accessioned 2018-07-16T04:47:35Z -
dc.date.available 2018-07-16T04:47:35Z -
dc.date.created 2018-06-25 -
dc.date.issued 2018-06 -
dc.identifier.issn 2156-7085 -
dc.identifier.uri http://hdl.handle.net/20.500.11750/8984 -
dc.description.abstract The purpose of this study is to investigate cerebral cortex activation during active movement and passive movement by using a functional near-infrared spectroscopy (fNIRS). Tasks were the flexion/extension of the right hand finger by active movement and passive movement. Oxy-hemoglobin concentration changes calculated from fNIRS and analyzed the activation and connectivity so as to understand dynamical brain relationship. The results demonstrated that the brain activation in passive movements is similar to motor execution. During active movement, the estimated causality patterns showed significant causality value from the supplementary motor area (SMA) to the primary motor cortex (M1). During the passive movement, the causality from the primary somatosensory cortex (S1) to the primary motor cortex (M1) was stronger than active movement. These results demonstrated that active and passive movements had a direct effect on the cerebral cortex but the stimulus pathway of active and passive movement is different. This study may contribute to better understanding how active and passive movements can be expressed into cortical activation by means of fNIRS. © 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement. -
dc.language English -
dc.publisher The Optical Society -
dc.title Distinction of directional coupling in sensorimotor networks between active and passive finger movements using fNIRS -
dc.type Article -
dc.identifier.doi 10.1364/BOE.9.002859 -
dc.identifier.scopusid 2-s2.0-85048173658 -
dc.identifier.bibliographicCitation Biomedical Optics Express, v.9, no.6, pp.2859 - 2870 -
dc.description.isOpenAccess TRUE -
dc.subject.keywordPlus NEAR-INFRARED SPECTROSCOPY -
dc.subject.keywordPlus STATE FUNCTIONAL CONNECTIVITY -
dc.subject.keywordPlus MEDIAN NERVE-STIMULATION -
dc.subject.keywordPlus HUMAN BRAIN -
dc.subject.keywordPlus GRANGER CAUSALITY -
dc.subject.keywordPlus HAND MOVEMENTS -
dc.subject.keywordPlus MOTOR IMAGERY -
dc.subject.keywordPlus WHOLE HEAD -
dc.subject.keywordPlus ACTIVATION -
dc.subject.keywordPlus AREAS -
dc.citation.endPage 2870 -
dc.citation.number 6 -
dc.citation.startPage 2859 -
dc.citation.title Biomedical Optics Express -
dc.citation.volume 9 -

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