Lexical but not semantic priming in Alzheimer's disease.
Publication/Presentation Date
12-1-1991
Abstract
The hypothesis that patients with Alzheimer's disease (AD) have a disturbance in semantic processing was tested using a new lexical-priming task, threshold oral reading. Healthy elderly controls showed significant effects of priming for word pairs that are associatively related (words that reliably co-occur in word association tests) and for word pairs that are semantically related (high-frequency exemplars that belong to the same superordinate category but are not high-frequency associates). AD patients showed effects of priming for associatively related words but not for word pairs that are related only by shared semantic features. These results are consistent with the hypothesis that semantic processing is impaired in AD and suggest that independent networks of relationships among words and among concepts in semantic memory may be differentially disrupted with various forms of brain damage.
Volume
6
Issue
4
First Page
522
Last Page
527
ISSN
0882-7974
Published In/Presented At
Glosser, G., & Friedman, R. B. (1991). Lexical but not semantic priming in Alzheimer's disease. Psychology and aging, 6(4), 522–527. https://doi.org/10.1037//0882-7974.6.4.522
Disciplines
Medicine and Health Sciences | Psychiatry
PubMedID
1777139
Department(s)
Department of Psychiatry
Document Type
Article