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Effect of Stimulus Duration in ABR

1985 
Auditory brainstem response elicited by tone bursts were recorded from the scalp of human subjects. Response alternations produced by changes in the duration time were evaluated.The latency and the amplitude of wave V and VI were increased with increase of tone bursts duration, whereas latencies of wave I to III (and IV) were less increased, and the amplitude of them tended to decrease. These changes were not caused by the decreasing interstimulus interval, but by the increasing stimulus duration.Although, there was no distinct explanation for the changes of ABR recording of slow component had suggest that the changes in the slow component may play an important roll.
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