Ear and hearing · 2011
Obligatory cortical auditory evoked potential waveform detection and differentiation using a commercially available clinical system: HEARLab™.
Сравнительное исследованиеСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Munro Kevin J, Purdy Suzanne C, Ahmed Sadia, Begum Rushanara, Dillon Harvey
Аннотация
OBJECTIVE: The aim was to investigate detection and differentiation of obligatory cortical auditory evoked potentials (CAEPs) in normal-hearing listeners with and without a simulated conductive hearing impairment using the HEARLab™.
DESIGN: Sound field CAEPs were obtained from 24 normal-hearing adults, with and without earplugs, using three natural speech sounds (/m/, /g/, and /t/) presented at 55, 65, and 75 dB SPL.
RESULTS: Response detection was good except for the lowest presentation level; however, differentiation of waveforms was generally poor for individual listeners.
CONCLUSIONS: Waveform differentiation was relatively poor, especially at low presentation levels, using the HEARLab's stimulus and analysis protocol.
DESIGN: Sound field CAEPs were obtained from 24 normal-hearing adults, with and without earplugs, using three natural speech sounds (/m/, /g/, and /t/) presented at 55, 65, and 75 dB SPL.
RESULTS: Response detection was good except for the lowest presentation level; however, differentiation of waveforms was generally poor for individual listeners.
CONCLUSIONS: Waveform differentiation was relatively poor, especially at low presentation levels, using the HEARLab's stimulus and analysis protocol.