Neural mechanisms for learning self and other ownership.
Neural mechanisms for learning self and other ownership.
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DOI：
10.1038/s41467-018-07231-9
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发表时间：
2018-11-12
影响因子：
16.6
通讯作者：
Rushworth MFS
中科院分区：
文献类型：
--
作者：
Lockwood PL;Wittmann MK;Apps MAJ;Klein-Flügge MC;Crockett MJ;Humphreys GW;Rushworth MFS
所有权意识是人类认知中普遍存在的基本方面。在这里，我们使用基于模型的功能磁共振成像和一种新颖的最小所有权范式来探讨支持我们自己、朋友和陌生人所有权获取的行为和神经机制。我们发现从初始偏好到反应时间和计算学习率的多个行为层面都存在自我所有权偏差。腹内侧前额叶皮层（vmPFC）和前扣带沟（ACC）对自我与陌生人的关联反应更多，但尽管普遍存在跟踪自我所有权的神经偏见，但没有大脑区域专门跟踪自我所有权。然而，ACC 回（ACCg）专门编码了陌生人的所有权预测错误以及朋友和陌生人的所有权联想强度，但没有编码自己。联想学习的核心神经机制偏向于参考自我学习，但在参考他人学习时也参与其中。相比之下，ACC 回表现出了解他人的专业性。所有权感——哪些物品属于我们，哪些物品属于他人——是我们生活的重要组成部分，但人们对大脑如何跟踪所有权的了解却知之甚少。在这里，作者表明，特定的大脑区域与自己、朋友和陌生人的所有权获取有关。
Sense of ownership is a ubiquitous and fundamental aspect of human cognition. Here we used model-based functional magnetic resonance imaging and a novel minimal ownership paradigm to probe the behavioural and neural mechanisms underpinning ownership acquisition for ourselves, friends and strangers. We find a self-ownership bias at multiple levels of behaviour from initial preferences to reaction times and computational learning rates. Ventromedial prefrontal cortex (vmPFC) and anterior cingulate sulcus (ACCs) responded more to self vs. stranger associations, but despite a pervasive neural bias to track self-ownership, no brain area tracked self-ownership exclusively. However, ACC gyrus (ACCg) specifically coded ownership prediction errors for strangers and ownership associative strength for friends and strangers but not for self. Core neural mechanisms for associative learning are biased to learn in reference to self but also engaged when learning in reference to others. In contrast, ACC gyrus exhibits specialization for learning about others. The sense of ownership – of which objects belong to us and which to others - is an important part of our lives, but how the brain keeps track of ownership is poorly understood. Here, the authors show that specific brain areas are involved in ownership acquisition for the self, friends, and strangers.
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DOI：
10.1073/pnas.0711099105
发表时间：
2008-05-06
影响因子：
11.1
作者：
Hampton, Alan N.;Bossaerts, Peter;O'Doherty, John P.
通讯作者：
O'Doherty, John P.
影响因子：
7.6
作者：
BEGGAN, JK
通讯作者：
BEGGAN, JK
影响因子：
2.4
作者：
Cunningham, Sheila J.;Turk, David J.;Macrae, C. Neil
通讯作者：
Macrae, C. Neil
影响因子：
25
作者：
De Martino, Benedetto;Fleming, Stephen M.;Garrett, Neil;Dolan, Raymond J.
通讯作者：
Dolan, Raymond J.
影响因子：
16.2
作者：
Apps MA;Rushworth MF;Chang SW
通讯作者：
Chang SW