The angular gyrus computes action awareness representations

被引:276
作者
Farrer, Chloee [1 ]
Frey, Scott H. [2 ,3 ]
Van Horn, John D. [4 ]
Tunik, Eugene [5 ]
Turk, David [6 ]
Inati, Souheil [7 ,8 ]
Grafton, Scott T. [9 ]
机构
[1] CNRS, UMR 5229, Ctr Neurosci Cognit, F-69675 Bron, France
[2] Univ Oregon, Dept Psychol, Eugene, OR 97403 USA
[3] Univ Oregon, Lewis Ctr Neuroimaging, Eugene, OR 97403 USA
[4] Dartmouth Coll, Ctr Cognit Neurosci, Dartmouth Brain Imaging Ctr, Hanover, NH 03755 USA
[5] NYU, Dept Phys, New York, NY 10010 USA
[6] Univ Aberdeen, Soc Cognit Lab, Aberdeen AB24 3FX, Scotland
[7] NYU, Dept Psychol, New York, NY 10003 USA
[8] NYU, Ctr Neural Sci, New York, NY 10003 USA
[9] Univ Calif Santa Barbara, Dept Psychol, Santa Barbara, CA 93106 USA
关键词
action; agency; fMRI; inferior parietal lobule; internal model;
D O I
10.1093/cercor/bhm050
中图分类号
Q189 [神经科学];
学科分类号
071006 [神经生物学];
摘要
Involvement of the right inferior parietal area in action awareness was investigated while taking into account differences in the conscious experiences of one's own actions; especially, the awareness that an intended action is consistent with movement consequences and the awareness of the authorship of the action (i.e., the sense of agency). We hypothesized that these experiences are both associated with processes implemented in inferior parietal cortex, specifically, right angular gyrus (Ag). Two blood-oxygenation-level-dependent functional magnetic resonance imaging studies employed a novel delayed visual feedback technique to distinguish the neural correlates of these 2 forms of action awareness. We showed that right Ag is associated with both awareness of discrepancy between intended and movement consequences and awareness of action authorship. We propose that this region is involved in higher-order aspects of motor control that allows one to consciously access different aspects of one's own actions. Specifically, this region processes discrepancies between intended action and movement consequences in such a way that these will be consciously detected by the subject. This joint processing is at the core of the various experiences one uses to interpret an action.
引用
收藏
页码:254 / 261
页数:8
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