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Auditory evoked potentials in the Japanese monkey
Author(s) -
Kamada Tsutomu,
Kameda Kazuo,
Kojima Shozo
Publication year - 1991
Publication title -
journal of medical primatology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.31
H-Index - 42
eISSN - 1600-0684
pISSN - 0047-2565
DOI - 10.1111/j.1600-0684.1991.tb00537.x
Subject(s) - microphonics , audiology , sensitivity (control systems) , tone burst , compound muscle action potential , evoked potential , audiometry , tone (literature) , electrophysiology , hearing loss , medicine , neuroscience , psychology , literature , electronic engineering , engineering , art
Auditory sensitivity based on auditory brain stem response (ABR), whole nerve action potential (AP), and cochlear microphonics (CM) to tone bursts of 0.5–8 kHz were compared with behavioral audiometry in the Japanese monkeys. Although sensitivity loss at 4–6 kHz was observed in these potentials, an increase in sensitivity at 8 kHz was obtained only in the ABR. Thus the sensitivity loss at 4–6 kHz originates at the peripheral system and the increased sensitivity at 8 kHz originates at the central.