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American Journal of Speech-Language Pathology Vol.14 144-155 May 2005. doi:10.1044/1058-0360(2005/015)
© American Speech-Language-Hearing Association
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Effect of Presentation Modality on Immediate and Delayed Recall in Individuals With Alzheimer's Disease

Nidhi Mahendra 1
Kathryn A. Bayles 1

Frances P. Harris 1
1 University of Arizona, Tucson

nidhi{at}email.arizona.edu

Episodic memory (EM) deficits are the hall-mark of Alzheimer's disease (AD). Story-retelling tasks are particularly sensitive to EM impairments and require participants to recall a short story immediately and after a delay. The purpose of this study was to determine whether presentation modality influences story recall in AD participants. Thirty AD participants and 30 healthy elders recalled short stories in (a) auditory, (b) visual, and (c) combined auditory-visual modalities. Recall was assessed immediately as well as after 15- and 30-min delays. Presentation modality significantly influenced story recall in AD participants. AD participants demonstrated better recall after silently reading a story than after hearing an examiner tell the story or simultaneously hearing and reading the story. Clinical implications of these results are discussed.

Key Words: Alzheimer's disease, episodic memory, presentation modality, story recall

Submitted on October 22, 2003
Accepted on April 4, 2005


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