Steady-state Evoked Potentials to Amplitude Modulated Tones in the Monkey

A frequency-specific, objective assessment of hearing thresholds is required for use in subjects unable to perform behavioural audiometry. One such method using steady-state evoked potentials (SSEPs) in response to amplitude-modulated tones was evaluated in an experimental animal, the macaque monkey...

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Veröffentlicht in:	Acta oto-laryngologica 1992, Vol.112 (2), p.745-751
Hauptverfasser:	Burton, Martin J., Cohen, Lawrence T., Rickards, Field W., McNally, Kenneth I., Clark, Graeme M.
Format:	Artikel
Sprache:	eng
Schlagworte:	amplitude modulation Animals Auditory Threshold Biological and medical sciences Electrodiagnosis. Electric activity recording evoked potentials Evoked Potentials, Auditory frequency specificity Investigative techniques, diagnostic techniques (general aspects) Macaca fascicularis macaque Medical sciences Nervous system objective hearing assessment
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Beschreibung
Zusammenfassung:	A frequency-specific, objective assessment of hearing thresholds is required for use in subjects unable to perform behavioural audiometry. One such method using steady-state evoked potentials (SSEPs) in response to amplitude-modulated tones was evaluated in an experimental animal, the macaque monkey. An amplitude-modulation frequency of 165 Hz was found to produce optimum response detection in the anaesthetised animal. Auditory thresholds determined by a computerised automatic response detection sytem accurately reflected behavioural thresholds previously described in this species.
ISSN:	0001-6489 1651-2251
DOI:	10.3109/00016489209137469