Cortical distribution of asymmetric responses to radial expansion/contraction in human adults and infants(Summary of Awarded Presentation at the 27th Annual Meeting)

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概要

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• The distribution of cortical activity to radial expansion or contraction motion with adults and infants (3 to 4 months and 4 to 5 months of age) was examined by measuring steady-state visual evoked potentials with a high-density electrode array. A motion pattern which was either radial expansion or contraction was alternately presented with a pattern of random motion, and the mean amplitude of the fundamental harmonic component (F1) corresponding to the pattern alternation frequency (2Hz) was measured. The results indicated the adults showed greater activity to contraction than to expansion in the right parietal area. Although the older (but not the younger) infants also showed contraction bias, the bias was spread over the whole occipitoparietal area. These results suggest that in adults radial motion processing may be achieved by different neural mechanisms to those in infants.

• 日本基礎心理学会の論文
• 2009-09-30

著者

• Atkinson Janette

  University College London

• ICHIHARA Shigeru

  Tokyo Metropolitan University

• Shirai Nobu

  Tokyo Metropolitan University:(present Office)department Of Psychology Niigata University

• IMURA Tomoko

  Primate Research Institute, Kyoto University

• BIRTLES Deirdre

  University College London

• ANKER Shirley

  University College London

• WATTAM-BELL John

  Primate Research Institute, Kyoto University

• BRADDICK Oliver

  University of Oxford

• Wattam-bell John

  Primate Research Institute Kyoto University

• Imura Tomoko

  Primate Research Institute Kyoto University

関連論文

• Suppression of sensitivity to radial optic flow during locomotion(Summaries of Awarded Presentation at the 28th Annual Meeting)
• Cortical distribution of asymmetric responses to radial expansion/contraction in human adults and infants(Summary of Awarded Presentation at the 27th Annual Meeting)
• 2-B-15 コントラストの変化によって生じる奥行き運動知覚(2002年度 日本基礎心理学会第21回大会優秀発表賞)
• 放射状拡大/縮小運動に対する非対称な皮質活動の分布 : ヒト成人と生後3〜5ヵ月児を対象に(日本基礎心理学会第27回東北大会,大会発表要旨)
• 陰影からの3次元形状知覚に関連する皮質活動(日本基礎心理学会第27回東北大会,大会発表要旨)
• Development of asymmetrical cortical responses to radial expansion/contraction(Summary of Awarded Presentation at the 25th Annual Meeting)
• Asymmetry of the perception of approaching or receding objects defined by moving cast shadows(Summary of Awarded Presentation at the 25th Annual Meeting)
• ヒト乳児と成人における放射運動刺激に対する皮質活動(日本基礎心理学会第25回大会,大会発表要旨)

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