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Identification of an unconventional process of instrumental learning characteristically initiated with outcome devaluation-insensitivity and generalized action selection.
http://hdl.handle.net/2297/46844
http://hdl.handle.net/2297/4684484e235e4-d514-4ad8-bcc6-88864fb25ab2
名前 / ファイル | ライセンス | アクション |
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ME-PR-TODA-S=43307.pdf (841.0 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-03 | |||||
タイトル | ||||||
タイトル | Identification of an unconventional process of instrumental learning characteristically initiated with outcome devaluation-insensitivity and generalized action selection. | |||||
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 | |||||
その他のタイトル | ||||||
脱価値化非感受性と行動選択の汎化が特徴的な非典型的な道具学習初期段階の同定 | ||||||
著者 |
Iguchi, Yoshio
× Iguchi, Yoshio× Lin, Ziqiao× Nishikawa, Hiromi× Minabe, Yoshio× Toda, Shigenobu |
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書誌情報 |
Scientific Reports 巻 7, p. 43307, 発行日 2017-02-27 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2045-2322 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1038/srep43307 | |||||
出版者 | ||||||
出版者 | Nature Publishing Group | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The distinction between goal-directed action and habitual response, particularly with respect to moderate or extended appetitive instrumental training, is well documented; however, the propensity toward instrumental behavior in the early training stage has not been elucidated. In this study, we trained Sprague Dawley rats to press a lever to obtain food as an outcome for various time periods and monitored the changes in their sensitivity to outcome devaluation and choice between the levers they had been trained with and unfamiliar levers. After the extensive training with a random interval schedule, the rats were insensitive to outcome devaluation, and exhibited a typical habit-like phenotype, as previously reported, and the untrained leverpresses were relatively rare and sporadic. During the initial stage of training (≤1 week), the rats exhibited a similar insensitivity to the devaluation; however, in contrast to the overtrained condition, they performed distinctive unbiased leverpresses on both the trained and untrained levers. Thus, we propose a possibility that, contrary to the authentic concept that instrumental learning is initiated with an outcome devaluation-sensitive goal-directed stage, under some conditions, this learning can unconventionally begin with the initial stage that is distinct from both goal-directed action and habitual response. © The Author(s) 2017. | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |