Presentation 2006-12-05
ERPs in oddball task affected by unnaturalness of visual stimuli
Kimiko GOTO, Kenta UCHIO, Michiteru KITAZAKI, Shigeki NAKAUCHI,
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Abstract(in English) Amplitude of P3 known as an ERP component is enhanced by infrequent target stimuli in a classical oddball paradigm. This study focuses on the effects of unnaturalness of given visual stimuli on the P3 amplitude. Inverted face images elicited a larger P3 than that for upright face images, whereas novelty object images did not show such an asymmetry in the oddball P3. Measured ERPs for human possible/impossible pose images and simple geometric patterns suggest that asymmetry in P3 amplitude highly correlates with unnaturalness or familiality for given visual stimuli.
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Keyword(in English) oddball paradigm / event-related potential (ERP) / P3 asymmetry / naturalness
Paper # NC2006-74
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Committee NC
Conference Date 2006/11/28(1days)
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Registration To Neurocomputing (NC)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) ERPs in oddball task affected by unnaturalness of visual stimuli
Sub Title (in English)
Keyword(1) oddball paradigm
Keyword(2) event-related potential (ERP)
Keyword(3) P3 asymmetry
Keyword(4) naturalness
1st Author's Name Kimiko GOTO
1st Author's Affiliation Toyohashi University of Technology()
2nd Author's Name Kenta UCHIO
2nd Author's Affiliation Toyohashi University of Technology
3rd Author's Name Michiteru KITAZAKI
3rd Author's Affiliation Toyohashi University of Technology
4th Author's Name Shigeki NAKAUCHI
4th Author's Affiliation Toyohashi University of Technology
Date 2006-12-05
Paper # NC2006-74
Volume (vol) vol.106
Number (no) 407
Page pp.pp.-
#Pages 6
Date of Issue