Problems in Identifying an Acoustically Evoked Potential to a Single Stimulus The identification of evoked scalp potentials in man to a single acoustic stimulus such as a word becomes possible by combining several techniques. Either multiple EEG derivations from one subject or single derivations from several subjects, can be summed algebraically to yield a tracing with a significant increase (by a ... Research Article
Research Article  |   March 01, 1971
Problems in Identifying an Acoustically Evoked Potential to a Single Stimulus
 
Author Affiliations & Notes
  • Arthur J. Derbyshire
    University of Illinois, Chicago, Illinois
  • Stan B. Osenar
    University of Illinois, Chicago, Illinois
  • Lee R. Hamilton
    University of Illinois, Chicago, Illinois
  • Maurice E. Joseph
    University of Illinois, Chicago, Illinois
Article Information
Research Articles
Research Article   |   March 01, 1971
Problems in Identifying an Acoustically Evoked Potential to a Single Stimulus
Journal of Speech, Language, and Hearing Research, March 1971, Vol. 14, 160-171. doi:10.1044/jshr.1401.160
History: Received July 3, 1969
 
Journal of Speech, Language, and Hearing Research, March 1971, Vol. 14, 160-171. doi:10.1044/jshr.1401.160
History: Received July 3, 1969

The identification of evoked scalp potentials in man to a single acoustic stimulus such as a word becomes possible by combining several techniques. Either multiple EEG derivations from one subject or single derivations from several subjects, can be summed algebraically to yield a tracing with a significant increase (by a factor of 2 or more) in the size of the response relative to the background. A specific template has been found which, when cross correlated with the EEG, yields 2 dimensional (correlation and time) description of when the response occurs.

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