Duration Effects of Supraliminal Electrical Stimuli to the Tongue The investigation was concerned with temporal summation for supraliminal electrocutaneous stimuli to the tongue. One experiment (N = 5) dealt with pulse duration and a second experiment (N = 5) was concerned with pulse number or pulse train duration. The results provide evidence of stimulus duration effects indicative of temporal ... Research Article
Research Article  |   December 01, 1972
Duration Effects of Supraliminal Electrical Stimuli to the Tongue
 
Author Affiliations & Notes
  • Gerald N. McCall
    State University of New York, Upstate Medical Center, Syracuse, New York
Article Information
Research Articles
Research Article   |   December 01, 1972
Duration Effects of Supraliminal Electrical Stimuli to the Tongue
Journal of Speech, Language, and Hearing Research, December 1972, Vol. 15, 869-875. doi:10.1044/jshr.1504.869
History: Received August 30, 1971
 
Journal of Speech, Language, and Hearing Research, December 1972, Vol. 15, 869-875. doi:10.1044/jshr.1504.869
History: Received August 30, 1971

The investigation was concerned with temporal summation for supraliminal electrocutaneous stimuli to the tongue. One experiment (N = 5) dealt with pulse duration and a second experiment (N = 5) was concerned with pulse number or pulse train duration. The results provide evidence of stimulus duration effects indicative of temporal summation for electrocutaneous stimuli to the tongue related to pulse duration and to pulse number or pulse train duration. The differences in the “time constants” for the two summation functions suggest that different neural mechanisms underlie the summation processes.

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