Age Differences in Dichotic Listening Performance

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Abstract
The performance on the dichotic listening task of subjects aged 15 to 74 years was studied in order to assess the importance of registration, retention, or retrieval deficits to the learning performance of the elderly. The observed age-related declines with both written and vocal recall, and for the digits reported either first or second in sequence, suggested a deficiency in the registration stage of learning. The decrement appeared to be predominantly for the material presented to the left ear. The possibility of a selective left-ear hearing loss in the elderly was discounted by the absence of a laterality effect for both young and old subjects on a monaural task.

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