Spatial Summation Effects on Lingual Vibrotactile Thresholds
- 1 June 1977
- journal article
- research article
- Published by SAGE Publications in Perceptual and Motor Skills
- Vol. 44 (3_suppl) , 1179-1185
- https://doi.org/10.2466/pms.1977.44.3c.1179
Abstract
Ascending lingual vibrotactile thresholds at 250 Hz were obtained for four groups of normal-speaking adult subjects. Contactor areas were varied for each respective group. Threshold values in microns plotted as a function of the area of vibratory displacement indicated a spatial summation function for the larger contactors (> .02 cm2). Findings are discussed in terms of the nature of lingual-tactile mechanoreception and possible implications for neural control mechanisms subserving speech production.This publication has 14 references indexed in Scilit:
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