2-B-47 Biological Motion知覚におけるERP計測(2002年度 日本基礎心理学会第21回大会優秀発表賞)

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概要

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• Recent studies have revealed that the superior temporal sulcus (STS) plays an important role in 'social perception'. In this study, we measured event-related potentials (ERPs) during the perception of biological motion that can be perceived from locomotion which is monitored by only points of light. Twelve subjects participated and they were shown representations of biological motion and scrambled motion. In the scrambled motion, each light point had the same velocity vector as in the biological motion, but the initial starting positions of the lights were randomized. The perception of both the biological and scrambled motion elicited negative peaks at around 200 (N200) and 240 (N240) ms. Notably, the N240 component was significantly larger over the bilateral occipitotemporal region for the biological motion than for the scrambled motion condition. These findings do not contradict previous neuroimaging results, but imply that the N240 component seems to be specific to biological motion perception. Furthermore, this component might be similar to the detection of intention component that was found in gaze direction.

• 日本基礎心理学会の論文
• 2003-09-30

著者

• Hiraki Kazuo

  University Of Tokyo:presto Jst(japan Science And Technology Corporation)

• 平井 真洋

  University of Tokyo

• 平井 真洋

  自然科学研究機構生理学研究所:日本学術振興会

関連論文

• Point-Light Walkerの提示方向が聴覚誘発脳磁場反応に与える影響(日本基礎心理学会第27回東北大会,大会発表要旨)
• 2-B-47 Biological Motion知覚におけるERP計測(2002年度 日本基礎心理学会第21回大会優秀発表賞)
• Biological motion知覚におけるlocal inversion effectの身体構造による変調(日本基礎心理学会第30回大会,大会発表要旨)

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