Stimulus modality and verbal learning performance in normal aging.
The present study investigated the effects of modality presentation on the verbal learning performance of 26 older adults and 26 younger cohorts. A multitrial free-recall paradigm was implemented incorporating three modalities: Auditory, Visual, and simultaneous Auditory plus Visual. Older subjects learned fewer words than younger subjects but their rate of learning was similar to that of the younger group. The visual presentation of objects (with or without the simultaneous auditory presentation of names) resulted in better learning, recall, and retrieval of information than the auditory presentation alone.
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