Mapping Muscles Activation to Force Perception during Unloading
Identifieur interne : 000561 ( Pmc/Corpus ); précédent : 000560; suivant : 000562Mapping Muscles Activation to Force Perception during Unloading
Auteurs : Simone Toma ; Francesco LacquanitiSource :
- PLoS ONE [ 1932-6203 ] ; 2016.
Abstract
It has been largely proved that while judging a force humans mainly rely on the motor commands produced to interact with that force (i.e., sense of effort). Despite of a large bulk of previous investigations interested in understanding the contributions of the descending and ascending signals in force perception, very few attempts have been made to link a measure of neural output (i.e., EMG) to the psychophysical performance. Indeed, the amount of correlation between EMG activity and perceptual decisions can be interpreted as an estimate of the contribution of central signals involved in the sensation of force. In this study we investigated this correlation by measuring the muscular activity of eight arm muscles while participants performed a quasi-isometric force detection task. Here we showed a method to quantitatively describe muscular activity (“
Url:
DOI: 10.1371/journal.pone.0152552
PubMed: 27032087
PubMed Central: 4816335
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