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Formation and maintenance of object representation

Research Project

Project/Area Number 26885020
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeSingle-year Grants
Research Field Experimental psychology
Research InstitutionThe University of Tokyo

Principal Investigator

SANADA Motoyuki  東京大学, 総合文化研究科, 特任研究員 (40734041)

Project Period (FY) 2014-08-29 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2015: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2014: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Keywordsワーキングメモリ / 物体表象 / 事象関連電位 / 認知心理学 / 注意
Outline of Final Research Achievements

This study investigated 1) how our brain segments object image from the background and 2) how it maintain the image. Previous research assumed importance of spatial information for the segmentation process, and some researchers argued that images of overlapped objects are automatically integrated into one image, because they shares the location. I confirmed the propose, further, examined the neural mechanism using Event Related Potential.
In addition, I revealed that visual working memory, a cognitive function to retain object image, have separated storage capacities for color and orientation features.

Report

(3 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Annual Research Report
  • Research Products

    (3 results)

All 2016 2015

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Open Access: 1 results) Presentation (2 results) (of which Int'l Joint Research: 1 results)

  • [Journal Article] Shape and spatial working memory capacities are mostly independent.2015

    • Author(s)
      Sanada, M., Ikeda, K., & Hasegawa, T.
    • Journal Title

      Frontiers in psychology

      Volume: 6 Pages: 581-581

    • DOI

      10.3389/fpsyg.2015.00581

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] Is working memory capacity domain specific ?2016

    • Author(s)
      Motoyuki Sanada, Koki Ikeda, Toshikazu Hasegawa
    • Organizer
      31st International Congress of Psychology
    • Place of Presentation
      横浜国際会議場
    • Year and Date
      2016-07-24
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Reexamining the Attention Rehearsal Hypothesis of Spatial Working Memory Maintenance2015

    • Author(s)
      池田 功毅
    • Organizer
      Vision Science Society
    • Place of Presentation
      St. Pete Beach, Florida, USA
    • Year and Date
      2015-05-13 – 2015-05-20
    • Related Report
      2014 Annual Research Report

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Published: 2014-09-09   Modified: 2017-05-10  

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