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Year : 2017  |  Volume : 33  |  Issue : 1  |  Page : 56-60

Dichotic integration: is it similar in the elderly and children?

ENT Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt

Correspondence Address:
Tayseer T Abdel Rahman
Villa 4/7 E, Compound Calimera, Shorouk City, Cairo
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1012-5574.199400

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Background Aging process is associated with central auditory changes, which may explain some understanding difficulties in elderly. It may be evaluated with the dichotic digits (DD) test, a widely used experimental paradigm for studying interhemispheric interactions. Purpose This study was performed to evaluate dichotic integration ability in the elderly and children populations by comparing it with adults who acted as reference. Research design The study design was a cross-sectional one. It was conducted in Ain Shams University, Faculty of Medicine, Demerdash Hospital, Audiology Unit, for a period of 4 years. The study comprised 75 participants divided into three groups: the adult group, the elderly group, and the pediatric group. Data collection and analysis Basic Audiological Evaluation and the DD test in the free recall condition were carried out in all participants. Results Results of this study suggest that central auditory processing concerning dichotic integration is different in children and elderly individuals when compared with adults. Moreover, there was no significant difference between elderly patients and children. The age had a direct correlation with DD test scores in children, but an inverse correlation in the elderly. Conclusion Dichotic integration as measured using the DD test is similar in the elderly and children, but in opposite directions with regard to its change with age progress.

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