Feature integration in visual working memory

2008 Fiscal Year Final Research Report

• Project/Area Number: 19500226
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Cognitive science
• Research Institution: Kyoto University
• Principal Investigator: SAIKI Jun Kyoto University, 人間・環境学研究科, 教授 (60283470)
• Co-Investigator(Kenkyū-buntansha): YAMAMOTO Hiroki 京都大学, 人間・環境学研究科, 助教 (10332727)
• Project Period (FY): 2007 – 2008
• Keywords: 視覚性ワーキングメモリ / 情報統合 / 認知神経科学 / fMRI

Research Abstract

ヒトが短時間記憶できる視覚情報は3-5個の物体にすぎないが、特徴の組合せを正確に記憶できる量はさらに少ない。これは、記憶情報の読み出しの問題ではなく保持できる量自体の減少による。また、知覚情報の欠如を補完できるのは物体1個の情報に限られる。特徴の組合せの記憶に関連する脳活動を調べた結果、特徴統合の保持は頭頂葉と前頭葉の後部、変化検出のための記憶と知覚の比較照合は前頭葉の前部が主に関与していることが示唆された。

Research Products

• [Journal Article] Estimated capacity of object files in visual short-term memory is not improved by retrieval cueing (2009)
  • Author(s): Saiki, J. & Miyatsuji, H.
  • Journal Title: Journal of Vision 9 Pages: 1-15
  • Peer Reviewed
• [Journal Article] Functional roles of memory for feature-location binding in event perception: Investigation with spatiotemporal visual search (2009)
  • Author(s): Saiki, J.
  • Journal Title: Visual Cognition 17 Pages: 212-231
  • Peer Reviewed
• [Journal Article] Stimulus-driven mechanisms underlying visual search asymmetry revealed by classification image analyses (2008)
  • Author(s): Saiki, J.
  • Journal Title: Journal of Vision 8 Pages: 1-19
  • Peer Reviewed
• [Journal Article] Realignment of temporal simultaneity between vision and touch (2008)
  • Author(s): Takahashi, K., Saiki, J. & Watanabe, K.
  • Journal Title: NeuroReport 19 Pages: 319-322
  • Peer Reviewed
• [Journal Article] 動的な変形に対する視触覚間同時性判断 (2008)
  • Author(s): 高橋康介、齋木潤
  • Journal Title: 心理学研究 78 Pages: 599-606
  • Peer Reviewed
• [Journal Article] 視覚と触覚を用いた物体認識における視点独立性 (2008)
  • Author(s): 上田祥行、齋木潤
  • Journal Title: 基礎心理学研究 26 Pages: 11-19
  • Peer Reviewed
• [Presentation] Functional magnetic resonance imaging of monocular depth cue integration using a stereokinetic effect stimulus (2007)
  • Author(s): Yamamoto, T., Yamamoto, H., Saiki, J., Mano, H., Umeda, M. & Tanaka, C.
  • Organizer: Society for Neueoscience 37th Annual Meeting
  • Place of Presentation: SanDiego, CA. USA
  • Year and Date: 2007-11-06
• [Presentation] Retinotopic responses to visible and invisible stimulus in human early visual areas during continuous flash suppression (2007)
  • Author(s): Yamashiro, H., Yamamoto, H., Saiki, J., Mano, H., Umeda, M. & Tanaka, C.
  • Organizer: Society for Neueoscience 37th Annual Meeting
  • Place of Presentation: San Diego, CA. USA
  • Year and Date: 2007-11-04
• [Presentation] Binding deficit in visual short-term memory reflects maintenance, not retrieval (2007)
  • Author(s): Saiki, J. & Miyatsuji, H.
  • Organizer: Vision Sciences Society 7^<th> Annual meeting
  • Place of Presentation: Sarasota, FL. USA
  • Year and Date: 2007-05-15
• [Presentation] Surface-based unpaired feature representations mediate detection of change to feature pairings (2007)
  • Author(s): Saiki, J. & Holcombe, A. O.
  • Organizer: Vision Sciences Society 8^<th> Annual meeting
  • Place of Presentation: Naples, FL. USA
  • Year and Date: 2007-05-14
• [Presentation] Single-probe advantage in standard change detection task does not reflect memory for feature binding (2007)
  • Author(s): Kondo, A. & Saiki, J.
  • Organizer: Vision Sciences Society 7^<th> Annual meeting
  • Place of Presentation: Sarasota, FL. USA
  • Year and Date: 2007-05-14
• [Book] In R. Wang, F. Gu, & E. Shen (Eds.) Advances in Cognitive Neurodynamics. Springer-Verlag (2008)
  • Author(s): Saiki, J., Koike, T. & DeBrecht, M.
  • Total Pages: 527-530
  • Publisher: Saliency map models for stimulus-driven mechanisms in visual search: Neural and functional accounts
• [Book] In C. Rossi (Ed.) Brain, Vision, and AI. In-The (2008)
  • Author(s): Saiki, J.
  • Total Pages: 243-264
  • Publisher: Multiple object permanence tracking: Maintenance, retrieval, and transformation of dynamic object representations
• [Book] キーワードコレクション、心理学フロンティア(視覚性ワーキングメモリ、チェンジブラインドネス) (2008)
  • Author(s): 齋木潤
  • Total Pages: 10-17
  • Publisher: 新曜社
• [Book] Object Recognition, Attention & Action(N. Osaka, I. Rentschler, I. Biederman)(Feature binding in visual working memory) (2007)
  • Author(s): Saiki, J.
  • Total Pages: 173-185
  • Publisher: Springer-Verlag
• [Book] Representation and Brain.(S. Funahashi)(Representation of objects and scenes in visual working memory in human brain.) (2007)
  • Author(s): Saiki, J.
  • Total Pages: 103-119
  • Publisher: Springer-Verlag
• [Remarks] 研究室ホームページ
  • URL: http://www.cv.jinkan.kyoto-u.ac.jp/