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Methodological control of semantic priming in Alzheimer's disease
1Department of Human and Community Development, University of California, Davis 95616, USA. gkshenaut@ucdavis.edu
Psychology and Aging
|September 1, 1996
Abstract:
We conducted a lexical-decision, semantic priming experiment that included 250- and 1000-ms stimulus onset asynchronies (SOAs) with 32 probable Alzheimer's disease (AD) and 40 older normal persons. Attention-based, controlled processes are assumed to occur only at the longer of the 2 SOAs. The AD group showed greater than normal priming in the long-SOA but not the short-SOA condition. We conclude that greater than normal AD priming is a function of controlled processing rather than semantic network degradation.