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Roles of the Thalamic CM-PF Complex-Basal Ganglia Circuit in Externally Driven Rebias of Action
https://repo.qst.go.jp/records/45441
https://repo.qst.go.jp/records/45441447578fb-0c31-4553-91e8-fcf0737436c5
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2009-03-13 | |||||
タイトル | ||||||
タイトル | Roles of the Thalamic CM-PF Complex-Basal Ganglia Circuit in Externally Driven Rebias of Action | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Minamimoto, Takafumi
× Minamimoto, Takafumi× et.al× 南本 敬史 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The centromedian (CM)-parafascicular (PF) nuclear complex in the primate thalamus has reciprocal and specific connections with the basal ganglia. It has been argued that the thalamic CM-PF complex has a role in pain processing and attention. However, the functional relationship of this complex with the basal ganglia, which is considered to have a role in goal-directed movement, has not been well characterized. Here we present a hypothetical view that the thalamic CM-PF complex-basal ganglia circuit plays complementary roles in response bias. The basal ganglia are involved in creating 'reward-based pre-action bias', which facilitates the selection and execution of an action associated with a higher value. In contrast, when an action with a lower value is unexpectedly requested, the CM-PF induces an 'externally driven rebiasing' process in the striatum that aborts the pre-action bias and assists selecting and executing actions appropriate for unexpected situations. This model provides a framework for how the thalamic CM-PF complex and the basal ganglia function together in general for unexpected situations. | |||||
書誌情報 |
Brain Research Bulletin 巻 78, 号 2-3, p. 75-79, 発行日 2009-02 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0361-9230 |