Beyond consciousness of external reality: A "who" system for consciousness of action and self-consciousness
Beyond consciousness of external reality: A "who" system for consciousness of action and self-consciousness
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DOI:
10.1006/ccog.1998.0367
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发表时间:
1998-09-01
影响因子:
2.4
通讯作者:
Jeannerod, M
中科院分区:
文献类型:
--
作者:
Georgieff, N;Jeannerod, M
This paper offers a framework for consciousness of internal reality. Recent PET experiments are reviewed, showing partial overlap of cortical activation during self-produced actions and actions observed from other people. This overlap suggests that representations for actions may be shared by several individuals, a situation which creates a potential problem for correctly attributing an action to its agent. The neural conditions for correct agency judgments are thus assigned a key role in self/other distinction and self-consciousness. A series of behavioral experiments that demonstrate, in normal subjects, the poor monitoring of action-related signals and the difficulty in recognizing self-produced actions are described. In patients presenting delusions, this difficulty dramatically increases and actions become systematically misattributed. These results point to schizophrenia and related disorders as a paradigmatic alteration of a "Who?" system for self-consciousness. (C) 1998 academic Press.