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Exploration of relationship between gamma-band activity and memory function in the temporal lobe

Research Project

Project/Area Number 25560433
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Brain biometrics
Research InstitutionKochi University of Technology

Principal Investigator

Nakahara Kiyoshi  高知工科大学, 公私立大学の部局等, 教授 (50372363)

Research Collaborator ADACHI Ken  
Project Period (FY) 2013-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2014: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2013: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Keywords光遺伝学 / 側頭葉 / 皮質脳波 / 連合記憶 / 齧歯類 / 霊長類 / 記憶 / 内側側頭葉
Outline of Final Research Achievements

In the first project, by combining optogenetics and electrocorticography (ECoG), we found that local-field potential propagates differentially between horizontal and vertical directions in the rodent visual cortex. In the second project, we captured ECoG response patterns in the temporal lobe of monkeys while they performed an associative memory task. We found that the ECoG response patterns can represent associative memory.

Report

(4 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • 2013 Research-status Report
  • Research Products

    (2 results)

All 2016 2014

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Open Access: 1 results,  Acknowledgement Compliant: 1 results) Presentation (1 results)

  • [Journal Article] Associative-memory representations emerge as shared spatial patterns of theta activity spanning the primate temporal cortex2016

    • Author(s)
      Kiyoshi Nakahara, Ken Adachi, Keisuke Kawasaki, Takeshi Matsuo, Hirohito Sawahata, Kei Majima, Masaki Takeda, Sayaka Sugiyama, Ryota Nakata, Atsuhiko Iijima, Hisashi Tanigawa, Takafumi Suzuki, Yukiyasu Kamitani, Isao Hasegawa
    • Journal Title

      Nature Communications

      Volume: 未定 Issue: 1 Pages: 11827-11827

    • DOI

      10.1038/ncomms11827

    • NAID

      120005822769

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Presentation] Difference in frequency properties between vertical- and horizontal-propagation of local field potentials in the rat visual cortices.2014

    • Author(s)
      3.Toda H., Kawasaki K., Sato S., Horie M., Nakahara K., Bepari A. K., Sawahata H., Suzuki T., Takebayashi H. and Hasegawa I.
    • Organizer
      第37回日本神経科学大会
    • Place of Presentation
      横浜
    • Year and Date
      2014-09-13
    • Related Report
      2014 Research-status Report

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Published: 2014-07-25   Modified: 2019-07-29  

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