Abstract

A Béḱsy-type tracking procedure was employed with eight male subjects to obtain auditory thresholds for pulsing wide-band. low-band, mid-band, and high-band noise during nonvisual and visual stimulation periods. Thresholds and attenuator pen-excursion sizes obtained for each bandwidth auditory stimulus were not significantly different between nonvisual and visual condition. The data indicated that psychophysical sensory interaction between the auditory and visual systems did not occur for the stimulus used, that is, auditory thresholds were neither facilitated nor inhibited during presentation of a time-locked stroboscopic visual stimulus.

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