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ERIC Number: EJ825678
Record Type: Journal
Publication Date: 2009-Feb
Pages: 11
Abstractor: As Provided
Reference Count: 0
ISSN: ISSN-0278-2626
The Role of Gamma Band Oscillations and Synchrony on Rubber Hand Illusion and Crossmodal Integration
Kanayama, Noriaki; Sato, Atsushi; Ohira, Hideki
Brain and Cognition, v69 n1 p19-29 Feb 2009
The rubber hand illusion represents an illusory experience during the mislocalization of own hand when correlated visuotactile stimuli are presented to the actual and fake hands. The visuotactile integration process appears to cause this illusion; the corresponding brain activity was revealed in many studies. In this study, we investigated the effect of the rubber hand illusion on the crossmodal integration process by measuring EEG. The participants who experienced less intensive illusion showed greater congruency effect on reaction time (RT), greater power increase at the parietal zero electrode (Pz) and smaller interelectrode synchrony of the gamma band activity. On the other hand, the participants who experienced more intense illusion showed greater interelectrode synchrony. The results suggested that the gamma band activity in the parietal area reflects the visuotactile integration process and that its synchrony causes the illusory intensity. (Contains 7 figures and 1 table.)
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A