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Monkey brain activity modulated by reward preferences: a positron emission tomography study
https://repo.qst.go.jp/records/45589
https://repo.qst.go.jp/records/4558903ff525e-b7d8-47c9-bf90-f98e7467baa5
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2009-07-23 | |||||
タイトル | ||||||
タイトル | Monkey brain activity modulated by reward preferences: a positron emission tomography study | |||||
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 |
Obayashi, Shigeru
× Obayashi, Shigeru× Nagai, Yuji× Suhara, Tetsuya× Okauchi, Takashi× Inaji, Motoki× Maeda, Jun× et.al× 大林 茂× 永井 裕司× 須原 哲也× 岡内 隆× 稲次 基希× 前田 純 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Motivation, depending on the relative preference and magnitudes of rewards, can influence our goal-directed action. Reward preferences can modulate neurons in the striatum (ventral and dorsal portions), lateral prefrontal and orbitofrontal cortex, but it remains unclear where in the brain and how any motivational change affects subsequent rewarding action. The present study sought to test whether the lateral prefrontal and other regions in monkeys during a visuo-motor task may change the activities in response to the reward preferences. After defining the rating of reward preference in a choice test, we measured regional cerebral blood flow of two Japanese monkeys during the task where the cognitive requirement was always the same, but the motivational significance varied by different rewards (raisin, banana flavored pellet, plain pellet, and banana), using positron emission tomography with H215O. We showed that lateral prefrontal, orbitofrontal, parietal, striatal (ventral and dorsal), and cerebellar activities may be modulated depending on the reward preferences. The present results may include the brain regions subserving motivational changes by subjective reward significances. | |||||
書誌情報 |
Neuroscience Research 巻 64, 号 4, p. 421-428, 発行日 2009-08 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0168-0102 |