Touching Textured Surfaces: Cells in Somatosensory Cortex Respond Both to Finger Movement and to Surface Features

Overview

Journal Science

Specialty Science

Date 1982 Nov 26

PMID 7134982

Citations 13

Authors

I DARIAN-SMITH

M Sugitani

J Heywood

K Karita

A Goodwin

Affiliations

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Abstract

Single neurons in Brodmann's areas 3b and 1 of the macaque postcentral gyrus discharge when the monkey rubs the contralateral finger pads across a textured surface. Both the finger movement and the spatial pattern of the surface determine this discharge in each cell. The spatial features of the surface are represented unambiguously only in the responses of populations of these neurons, and not in the responses of the constitutent cells.

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Tactile texture signals in primate primary somatosensory cortex and their relation to subjective roughness intensity.

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