Causal manipulation of self-other mergence in the dorsomedial prefrontal cortex

Wittmann Marco K.; Trudel Nadescha; Trier Hailey A.; Klein-Flugge Miriam C.; Sel Alejandra; Verhagen Lennart; Rushworth Matthew F. S.

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Causal manipulation of self-other mergence in the dorsomedial prefrontal cortex

机译：反向前额外皮层中自我互相融合的因果处理

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To navigate social environments, people must simultaneously hold representations about their own and others' abilities. During self-other mergence, people estimate others' abilities not only on the basis of the others' past performance, but the estimates are also influenced by their own performance. For example, if we perform well, we overestimate the abilities of those with whom we are co-operating and underestimate competitors. Self-other mergence is associated with specific activity patterns in the dorsomedial prefrontal cortex (dmPFC). Using a combination of non-invasive brain stimulation, functional magnetic resonance imaging, and computational modeling, we show that dmPFC neurostimulation silences these neural signatures of self-other mergence in relation to estimation of others' abilities. In consequence, self-other mergence behavior increases, and our assessments of our own performance are projected increasingly onto other people. This suggests an inherent tendency to form interdependent social representations and a causal role of the dmPFC in separating self and other representations.

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《Neuron》 |2021年第14期|共21页
作者
Wittmann Marco K.; Trudel Nadescha; Trier Hailey A.; Klein-Flugge Miriam C.; Sel Alejandra; Verhagen Lennart; Rushworth Matthew F. S.;
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Univ Oxford Wellcome Ctr Integrat Neuroimaging WIN Dept Expt Psychol Tinsley Bldg Mansfield Rd;

Univ Oxford Wellcome Ctr Integrat Neuroimaging WIN Dept Expt Psychol Tinsley Bldg Mansfield Rd;

Univ Oxford Wellcome Ctr Integrat Neuroimaging WIN Dept Expt Psychol Tinsley Bldg Mansfield Rd;

Univ Oxford Wellcome Ctr Integrat Neuroimaging WIN Dept Expt Psychol Tinsley Bldg Mansfield Rd;

Univ Oxford Wellcome Ctr Integrat Neuroimaging WIN Dept Expt Psychol Tinsley Bldg Mansfield Rd;

Univ Oxford Wellcome Ctr Integrat Neuroimaging WIN Dept Expt Psychol Tinsley Bldg Mansfield Rd;

Univ Oxford Wellcome Ctr Integrat Neuroimaging WIN Dept Expt Psychol Tinsley Bldg Mansfield Rd;

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中图分类神经病学;
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Causal manipulation of self-other mergence in the dorsomedial prefrontal cortex

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