The Effect of Long-Term Unilateral Deafness on Auditory Performance

곽민영; 김동현; 오현식; 안용휘; 원종호; 심현준

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자료유형: 학술저널

저자정보: 곽민영 (을지대학교 의과대학 이비인후과학교실) 김동현 (을지대학교) 오현식 (을지대학교 의과대학 을지병원 이비인후과학교실) 안용휘 (을지대학교) 원종호 (미국 식품의약품안전처 이비인후과 부문) 심현준 (을지대학교)

저널정보: 대한이비인후과학회 대한이비인후-두경부외과학회지 대한이비인후-두경부외과학회지 제63권 제12호

발행연도: 2020.1

수록면: 570 - 578 (9page)

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Background and Objectives We investigated whether there are differences in auditory performancebetween the healthy ears of subjects with unilateral deafness (UD) and the controlears of subjects with normal hearing (NH) in both ears. Subjects and Method Sixteen subjects with acquired UD and 16 subjects with NH thresholdsfor both ears were enrolled. We compared the auditory performance of UD group and controlgroup with NH in both ears. Results We found no meaningful differences in the three measures of psychoacoustic performancebetween the total healthy ears of subjects with UD and the ears of the control group. However, in the subgroup comparison, the left ears of subjects with right UD showed significantlypoorer spectral-ripple discrimination (SRD) than the right ears of the subjects with leftUD (p=0.006) and the ears of control subjects with NH (p=0.004). Conclusion Our findings indicate that after unilateral auditory deprivation, auditory processingis differentially affected by the side involved. In the subjects with acquired UD, the longtermhearing deprivation on the right side induced the down-regulation of central auditory processfor SRD, but hearing deprivation on the left side did not affect SRD.

#Auditory cortex #Deafness #Hearing loss #unilateral #Plastics #Speech perception

참고문헌 (30)

참고문헌 신청

Thai-Van H / 2013 / Unilateral deafness : A unique model for the investigation of functional plasticity mechanisms in the human auditory cortex / Clin Neurophysiol 124(7):1267~1268

Woldorff MG / 1999 / Lateralized auditory spatial perception and the contralaterality of cortical processing as studied with functional magnetic resonance imaging and magnetoencephalography / Hum Brain Mapp 7(1):49~66

Firszt JB / 2006 / Differential representation of speech sounds in the human cerebral hemispheres / Anat Rec A Discov Mol Cell Evol Biol 288(4):345~357

Li LP / 2006 / Healthy-side dominance of middle- and long-latency neuromagnetic fields in idiopathic sudden sensorineural hearing loss / Eur J Neurosci 24(3):937~946

Maslin MR / 2015 / Enhanced intensity discrimination in the intact ear of adults with unilateral deafness / J Acoust Soc Am 137(6):EL408~EL414

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