期刊
CONSCIOUSNESS AND COGNITION
卷 18, 期 4, 页码 1056-1064出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.concog.2009.05.004
关键词
Sense of agency; Volition; Consciousness; Voluntary action; Bayesian
资金
- NIMH NIH HHS [MH-49127] Funding Source: Medline
- Economic and Social Research Council [RES-000-23-1571] Funding Source: researchfish
- ESRC [RES-000-23-1571] Funding Source: UKRI
We investigate the processes underlying the feeling of control over one's actions (sense of agency). Sense of agency may depend on internal motoric signals, and general inferences about external events. We used priming to modulate the sense of agency for voluntary and involuntary movements, by modifying the content of conscious thought prior to moving. Trials began with the presentation of one of two supraliminal primes, which corresponded to the effect of a voluntary action participants subsequently made. The perceived interval between movement and effect was used as an implicit measure of sense of agency. Primes modulated perceived intervals for both voluntary and involuntary movements, but the modulation was greatest for involuntary movements. A second experiment showed that this modulation depended on prime-movement (temporal) contiguity. We propose that sense of agency is based on a combination of internal motoric signals and external sensory evidence about the source of actions and effects. (C) 2009 Elsevier Inc. All rights reserved.
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