Effect of Lingual Vibrotactile Stimulation on the Averaged Cortical Evoked Response

Author:

Blackmon Robert C.1,McCaffrey Patrick1,Fucci Donald2

Affiliation:

1. California State University, Chico

2. Ohio University, Athens

Abstract

This study was designed to determine the feasibility of using lingual vibrotactile stimulation to elicit an averaged evoked response and to investigate the effects of two supra-threshold intensity levels of lingual vibrotactile stimulation on the electro-cortical activity of the brain. The evoked responses were analyzed according to the amplitude of N1-P3 (in microvolts). Analysis indicates that the tongue can successfully be used as a stimulus site in the elicitation of an evoked response. The amplitudes of the evoked response elicited by 2 micrometers sensation level and 5 micrometers sensation level on the tongue are essentially the same. The relative difference between these levels is not sufficient to produce significant differences in the amplitudes of their respective evoked responses.

Publisher

SAGE Publications

Subject

Sensory Systems,Experimental and Cognitive Psychology

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