High rate otoacoustic emissions.
One of the practical problems of testing young children using evoked otoacoustic emissions (EOAEs) is that there is a need for the child to be quiet for a period of a minute or so. To achieve this can mean test periods of 10 min or longer. A new application of maximum length sequences (MLSs) to EOAEs is described that enables the test to be performed in a few seconds or less. Data from adults and neonates obtained at stimulation rates up to 840 clicks/s are presented and compared with conventionally derived emissions and the implications and applications of this new method are assessed.
Thornton
A R
AR
MRC Institute of Hearing Research, Royal South Hants Hospital, Southampton, United Kingdom.
D000161:Acoustic Stimulation; D000328:Adult; D001307:Auditory Perception / Q000502:physiology*; D003051:Cochlea / Q000502:physiology*; D005072:Evoked Potentials, Auditory; D005260:Female; D006309:Hearing / Q000502:physiology; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D015997:Neonatal Screening