HapticV1, Main, Exploration, bibRecord, 000D50

The neural basis of tactile motion perception

Identifieur interne : 000D50 ( Main/Exploration ); précédent : 000D49; suivant : 000D51

The neural basis of tactile motion perception

Auteurs : Yu-Cheng Pei [République populaire de Chine] ; Sliman J. Bensmaia [États-Unis]

Source :

Journal of Neurophysiology [ 0022-3077 ] ; 2014.

RBID : PMC:4269710

Abstract

The manipulation of objects commonly involves motion between object and skin. In this review, we discuss the neural basis of tactile motion perception and its similarities with its visual counterpart. First, much like in vision, the perception of tactile motion relies on the processing of spatiotemporal patterns of activation across populations of sensory receptors. Second, many neurons in primary somatosensory cortex are highly sensitive to motion direction, and the response properties of these neurons draw strong analogies to those of direction-selective neurons in visual cortex. Third, tactile speed may be encoded in the strength of the response of cutaneous mechanoreceptive afferents and of a subpopulation of speed-sensitive neurons in cortex. However, both afferent and cortical responses are strongly dependent on texture as well, so it is unclear how texture and speed signals are disambiguated. Fourth, motion signals from multiple fingers must often be integrated during the exploration of objects, but the way these signals are combined is complex and remains to be elucidated. Finally, visual and tactile motion perception interact powerfully, an integration process that is likely mediated by visual association cortex.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4269710

DOI: 10.1152/jn.00391.2014
PubMed: 25253479
PubMed Central: 4269710

Affiliations:

Le document en format XML

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Serveur d'exploration sur les dispositifs haptiques

The neural basis of tactile motion perception

The neural basis of tactile motion perception

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Abstract

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