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ID 23392
file
creator
Adachi, Shinobu
Morikawa, Koji
subject
event-related potentials
cognitive mismatch
action effect
action selection
p300
positive slow wave
NDC
Psychology
abstract
Event-related potentials from visual stimuli that were presented after voluntary actions were recorded to examine how people expect their action effects. Participants pressed a button in response to a cue stimulus (L or R) either in the fixed condition where participants always pressed a center button or in the choice condition where they selectively pressed the corresponding left or right button. Immediately after the button press, a second stimulus (left or right) was presented visually to inform that their action was registered. When the second stimulus did not match the cue stimulus (p = .20), a late positive potential (LPP) with a posterior scalp distribution occurred in a latency range of 500-700 ms. The amplitude of this mismatch-related LPP was larger in the choice condition than in the fixed condition. The results suggest that the cognitive mismatch between the expected and actual action effects is reflected in the LPP, and the selection of a specific action strengthens the expectation of its action effect.
journal title
International Journal of Psychophysiology
volume
Volume 66
issue
Issue 3
start page
238
end page
243
date of issued
2007-12
publisher
Elsevier B.V.
issn
0167-8760
ncid
publisher doi
language
eng
nii type
Journal Article
HU type
Journal Articles
DCMI type
text
format
application/pdf
text version
author
rights
Copyright (c) 2008 Elsevier B.V.
relation is version of URL
http://dx.doi.org/10.1016/j.ijpsycho.2007.08.004
department
Graduate School of Integrated Arts and Sciences