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脳の中の機械学習:回帰性ニューラルネットワークによる報酬の計算機構の解明

Research Project

Project/Area Number 16F16734
Research Category

Grant-in-Aid for JSPS Fellows

Allocation TypeSingle-year Grants
Section外国
Research Field Neurophysiology / General neuroscience
Research InstitutionInstitute of Physical and Chemical Research

Principal Investigator

ベヌッチ アンドレア  国立研究開発法人理化学研究所, 脳科学総合研究センター, チームリーダー (50722352)

Co-Investigator(Kenkyū-buntansha) FRANDI EMANUELE  国立研究開発法人理化学研究所, 脳科学総合研究センター, 外国人特別研究員
Project Period (FY) 2016-07-27 – 2019-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥2,200,000 (Direct Cost: ¥2,200,000)
Fiscal Year 2017: ¥1,100,000 (Direct Cost: ¥1,100,000)
Fiscal Year 2016: ¥900,000 (Direct Cost: ¥900,000)
Keywordsrecurrent neural network / large neuronal networks / machine learning / theoretical neuroscience / visual cortex
Outline of Annual Research Achievements

The overall study and implementation of the machine learning framework which will serve as the basis for the analysis of neural network dynamics has almost being finalized. The implementation of a general framework based on recurrent neural network models, which constitutes the key part of the project, was completed in the previous FY. Although our initial experiments were carried out on data of a slightly different nature from that outlined in the original proposal, the machine learning methodologies we have developed are very general and flexible, and can be readily applicable to neural recordings from different contexts that researchers at the lab are working on,including behavioral tasks involving rewards. From the point of view of scientific results, the project has progressed smoothly. The results obtained during last FY have been presented at a flagship neuroscience conference (SfN 2017, Washington DC, USA), at the Dec-2017 Tokyo Brain-AI area meeting, and the results of our most recent analyses are being collected into a journal paper already submitted for publication.

Research Progress Status

翌年度、交付申請を辞退するため、記入しない。

Strategy for Future Research Activity

翌年度、交付申請を辞退するため、記入しない。

Report

(2 results)
  • 2017 Annual Research Report
  • 2016 Annual Research Report
  • Research Products

    (3 results)

All 2017 2016

All Presentation (3 results) (of which Int'l Joint Research: 1 results)

  • [Presentation] Modeling responses to visual stimuli in the mouse cortex with recurrent neural networks2017

    • Author(s)
      Emanuele Frandi
    • Organizer
      Correspondance and Fusion of Artificial Intelligence and Brain Science(Brain-AI) 3rd Area Meeting
    • Related Report
      2017 Annual Research Report
  • [Presentation] Plasticity for stimulus selectivity in the visual cortex of adult mice induced by patterned optogenetic stimulation2017

    • Author(s)
      Tadashi Tsubota
    • Organizer
      Neuroscience2017
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Sculpting the dynamics of neuronal networks in the mouse cortex using optogenetic tools2016

    • Author(s)
      Tsubota, T. (speaker), Frandi, E., Benucci, A.
    • Organizer
      Neuroscience 2016 (SfN), San Diego, United States
    • Place of Presentation
      San Diego, United States
    • Related Report
      2016 Annual Research Report

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Published: 2016-07-28   Modified: 2024-03-26  

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