Abstract:
:When one finger touches the other, the resulting tactile sensation is perceived as weaker than the same stimulus externally imposed. This attenuation of sensation could result from a predictive process that subtracts the expected sensory consequences of the action, or from a postdictive process that alters the perception of sensations that are judged after the event to be self-generated. In this study we observe attenuation even when the fingers unexpectedly fail to make contact, supporting a predictive process. This predictive attenuation of self-generated sensation may have evolved to enhance the perception of sensations with an external cause.
journal_name
PLoS Bioljournal_title
PLoS biologyauthors
Bays PM,Flanagan JR,Wolpert DMdoi
10.1371/journal.pbio.0040028keywords:
subject
Has Abstractpub_date
2006-02-01 00:00:00pages
e28issue
2eissn
1544-9173issn
1545-7885pii
05-PLBI-RA-0953R2journal_volume
4pub_type
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