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2023 Fiscal Year Final Research Report

Brain-wide analysis of neuronal network dynamics underlying adaptive and maladaptive emotional responses

Research Project

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Project/Area Number 20H03556
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 51020:Cognitive and brain science-related
Research InstitutionOsaka University

Principal Investigator

Seiriki Kaoru  大阪大学, 大学院薬学研究科, 助教 (90802918)

Project Period (FY) 2020-04-01 – 2023-03-31
Keywordsストレス / 神経科学 / イメージング / 情動
Outline of Final Research Achievements

Neuronal mechanisms underlying different stress responses caused by physiological and pathological stress remain unclear. Using three-dimensional imaging analysis of stress-induced neuronal activity across the entire brain, we identified the neuronal populations and their circuit structures responsible for stress-induced emotional alterations depending on the stress states. Moreover, using our brain-wide analysis of axonal projection, we revealed the circuit structure of neuronal populations responsive to an antipsychotic drug.

Free Research Field

神経科学

Academic Significance and Societal Importance of the Research Achievements

ストレスによる情動変容の神経基盤を、脳全体の時間・空間的な神経活動変化に基づいて明らかにした本研究は、将来的にヒト疾患との関連性などを検証していくことによって、ストレス関連疾患の病態理解や、治療戦略の確立に貢献できる可能性が考えられる。また、本研究を通して確立してきた神経活動変化や神経回路構造の解析方法は、他の病態モデル動物や薬物の治療効果における神経回路レベルのメカニズムを理解するための研究への貢献が期待できる。

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Published: 2025-01-30  

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