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The neural processes underlying self-agency
Nahab
Fatta
author
Kundu
Prantik
author
Gallea
Cecile
author
Kakareka
John
author
Pursley
Randy
author
Pohida
Tom
author
Miletta
Nathaniel
author
Friedman
Jason
author
Hallett
Mark
author
2011
Self-agency (SA) is the individuals perception that an action is the consequence of his/her own intention. The neural networks underlying SA are not well understood. We carried out a novel, ecologically valid, virtual-reality experiment using BOLD-fMRI where SA could be modulated in real-time while subjects performed voluntary finger movements. Behavioral testing was also performed to assess the explicit judgment of SA. Twenty healthy volunteers completed the experiment. Results of the behavioral testing demonstrated paradigm validity along with the identification of a bias that led subjects to over- or underestimate the amount of control they had. The fMRI experiment identified two discrete networks. These leading and lagging networks likely represent a spatial and temporal flow of information, with the leading network serving the role of mismatch detection and the lagging network receiving this information and
mediating its elevation to conscious awareness, giving rise to SA.
exported from refbase (https://refbase.nfshost.com/show.php?record=21), last updated on Sun, 12 Dec 2010 13:14:04 +0000
text
https://refbase.nfshost.com/files/nahab/2011/21_Nahab_etal2011.pdf
10.1093/cercor/bhq059
Nahab_etal2011
Cerebral Cortex
2011
continuing
periodical
academic journal
21
1
48
55
1