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KMID : 1159320160180010049
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Korean Journal of Vision Science
2016 Volume.18 No. 1 p.49 ~ p.56
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The Effect of the Visual Stimulus on the Auditory Acuity
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Lee In-Yeong
Leem Hyun-Sung
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Abstract
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Purpose: The present study aimed to investigate changes in auditory acuity and cognitive function before and after applying fogging method(+10dptr) using pure tone audiometry, speech reception threshold, and word recognition score.
Methods: All subjects included 50 adults(32 males, 18 females) in their 20s and 30s who had corrected visual acuity of ≥ 1.0 with no visual or auditory disorders. Refraction, cover-uncover, and amplitude of accommodation tests were performed and those with visual acuity ≤ 0.8 in one eye, strabismus or phoria, or anomalies in amplitude of accommodation, as well as those aged 40 years or older suspected of having presbycusis were excluded. AD226 Diagnostic Audiometer and TDH 39 headphone were used for pure tone audiometry(PTA), speech reception threshold(SRT) and word record score(WRS) to investigate changes in auditory acuity and cognitive function.
Results: As the result, there were significant increases in pure tone audiometry and speech reception threshold after +10dptr fogging while the subjects with post-+10dptr fogging showed lower word record score.
Conclusions: This can be explained with poor auditory and cognitive abilities that have effects on the results of PTA, SRT and WRS after fogging. Therefore, it is known that visual stimuli can have an important influence on the auditory function. These findings can be used as basic data for studies on correlations between visual and auditory acuity.
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KEYWORD
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Auditory acuity, Fogging method, Pure tone audiometry, Speech reception threshold, Word recognition score
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