Effect of Sleep Stage and Stimulus Intensity on Auditory Average Evoked Responses.

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    • Abstract:
      Auditory average evoked responses (AERs) to clicks ranging from SO to 80 dB were studied in 9 normal adults while awake and during sleep. AER amplitude tended to increase little from 50 to 80 dB in waking subjects but increased markedly in sleeping subjects during stages 3 and 4. Rapid eye movement (REM) and stage 1 sleep had small amplitude AERs in comparison with other sleep stages. Individuals who showed decreases in amplitude at high intensities while awake slept significantly longer during the experimental nights. [ABSTRACT FROM AUTHOR]
    • Abstract:
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