視覚的短期記憶における視覚情報の時間的統合に関わる神経基盤の検討(<特集>脳機能計測と基礎心理学) The neural basis for temporal integration of visual information in short term memory(<Special Edition>Brain Imaging and Psychonomic Science)

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The neural basis for temporal integration of visual information in short term memory. We investigated the neural basis of integration of temporally separated bilateral asymmetrical dot patterns by using functional magnetic resonance imaging (fMRI). A symmetrical dot pattern with a small asymmetric region was temporally separated into two patterns and presented sequentially. The participants were asked to find the asymmetrical region by temporally integrating the patterns. When the second array was presented after a brief (40ms) or a long (2560ms) interval the performance was good. However, the performance declined when the interval was intermediate (160ms). For all stimulus onset asynchrony (SOA) conditions the prefrontal cortex and the posterior parietal cortex were activated. For the Long SOA condition the superior parietal lobule was strongly activated. Furthermore, the inferior temporal gyrus, which is involved in form perception and object recognition, was activated. This result suggested that the dot patterns would be encoded in visual short term memory as global figures.

収録刊行物

  • 基礎心理学研究

    基礎心理学研究 28(1), 23-34, 2009

    日本基礎心理学会

各種コード

  • NII論文ID(NAID)
    110007482449
  • NII書誌ID(NCID)
    AN00006194
  • 本文言語コード
    JPN
  • 資料種別
    特集
  • ISSN
    02877651
  • NDL 記事登録ID
    10498325
  • NDL 雑誌分類
    ZS2(科学技術--心理学)
  • NDL 請求記号
    Z19-1361
  • データ提供元
    NDL  NII-ELS  J-STAGE 
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