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2015 Fiscal Year Final Research Report

Re-evaluation of the basal ganglia network in rat

Research Project

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Project/Area Number 25282247
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypePartial Multi-year Fund
Section一般
Research Field Basic / Social brain science
Research InstitutionDoshisha University

Principal Investigator

Fujiyama Fumino  同志社大学, 脳科学研究科, 教授 (20244022)

Co-Investigator(Kenkyū-buntansha) KARUBE Fuyuki  同志社大学, 研究開発推進機構, 准教授 (60312279)
TAKAHASHI Susumu  同志社大学, 研究開発推進機構, 准教授 (20510960)
Project Period (FY) 2013-04-01 – 2016-03-31
Keywords視床 / 線条体 / 基底核
Outline of Final Research Achievements

A fundamental organizing principle of the striatum is the striosome/matrix system that is defined by inputs/outputs and neurochemical markers. The thalamostriatal projection is highly heterogeneous originating in many subnuclei of the thalamus including the midline (ML) and intralaminar (IL) nuclei. In the striatum, ML neurons preferentially innervated striosomes, whereas parafascicular neurons preferentially innervated the matrix. Almost all single thalamostriatal neurons favoring striosome or matrix compartments also innervated the cerebral cortical area that supplied cortical input to the same striatal compartment. We thus revealed that thalamostriatal projections are highly organized 1) by the similarity in morphological characteristics and 2) their preference for the striatal compartments and cortical areas.

Free Research Field

神経科学

URL: 

Published: 2017-05-10  

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