Presentation 2007/6/21
Hemispheric Dominance for Facial Expression Judgment under Brief Exposure Duration
Hiroaki ITO, Akihiro OKADA, Jun-ichi ABE,
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Abstract(in English) Present study examined the hemispheric dominance for facial expression processing. Twenty-two right-handed participants were presented pleasant, unpleasant, neutral facial expression to their left or right visual fields under brief exposure duration followed by conducted to two-alternative forced-choice of pleasant or unpleasant for target facial expression. Trial was consisted of duration block (20, 30, 40, 50, 60, 70, 80ms), and it was carried out in order from the short one. Results indicated the facial expressions were perceived more efficiently by the right hemisphere than by the left hemisphere. These findings suggested that right hemisphere specialized to process facial expression.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Facial expressions recognition / Valence / Hemispheric dominance / Brief exposure duration / Right-hemisphere hypothesis
Paper # HIP2007-48
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Committee HIP
Conference Date 2007/6/21(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
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Title (in English) Hemispheric Dominance for Facial Expression Judgment under Brief Exposure Duration
Sub Title (in English)
Keyword(1) Facial expressions recognition
Keyword(2) Valence
Keyword(3) Hemispheric dominance
Keyword(4) Brief exposure duration
Keyword(5) Right-hemisphere hypothesis
1st Author's Name Hiroaki ITO
1st Author's Affiliation Department of Psychology, Hokkaido University()
2nd Author's Name Akihiro OKADA
2nd Author's Affiliation Faculty of Humanities, Sapporo International University
3rd Author's Name Jun-ichi ABE
3rd Author's Affiliation Department of Psychology, Hokkaido University
Date 2007/6/21
Paper # HIP2007-48
Volume (vol) vol.107
Number (no) 117
Page pp.pp.-
#Pages 6
Date of Issue