Summed Evoked Responses Using Pure-Tone Stimuli Selected pure tones were used as stimuli in a study of evoked auditory responses in 25 adults. The effects of stimulus frequency, intensity, and duration on the evoked response were evaluated. Pure-tone stimuli appear to be as satisfactory as click stimuli in eliciting auditory evoked responses and have the additional ... Research Article
Research Article  |   June 01, 1966
Summed Evoked Responses Using Pure-Tone Stimuli
 
Author Affiliations & Notes
  • Geary A. McCandless
    University of Colorado Medical Center, Denver, Colorado
  • Lavar Best
    University of Colorado Medical Center, Denver, Colorado
Article Information
Research Articles
Research Article   |   June 01, 1966
Summed Evoked Responses Using Pure-Tone Stimuli
Journal of Speech, Language, and Hearing Research, June 1966, Vol. 9, 266-272. doi:10.1044/jshr.0902.266
History: Received November 15, 1965
 
Journal of Speech, Language, and Hearing Research, June 1966, Vol. 9, 266-272. doi:10.1044/jshr.0902.266
History: Received November 15, 1965

Selected pure tones were used as stimuli in a study of evoked auditory responses in 25 adults. The effects of stimulus frequency, intensity, and duration on the evoked response were evaluated. Pure-tone stimuli appear to be as satisfactory as click stimuli in eliciting auditory evoked responses and have the additional advantage of providing more information relative to auditory function. Evoked response patterns were essentially the same for 500 Hz (cps), 2,000 Hz, and 4,000 Hz. Latencies were longer for the components of pure-tone-evoked responses than for click-evoked responses. Evoked responses may be influenced by (1) changes in stimulus parameters and (2) changes in subject’s psychophysical state. These variables become a major consideration in the recognition of the evoked response at intensity levels near threshold.

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