Author:
BALOTA DAVID A.,WATSON JASON M.,DUCHEK JANET M.,FERRARO F. RICHARD
Abstract
Two experiments are reported that explore the influence
of strength of the prime–target relationship on the
observed priming effects in young, healthy old, and individuals
diagnosed with dementia of the Alzheimer type (DAT). In
Experiment 1, participants were auditorily presented primes
(FURNITURE) and after varying delays presented visual targets
that were (1) high-strength related (e.g., SOFA), (2) low-strength
related (e.g., RUG), or (3) unrelated control words (e.g.,
COW or DEER). The results indicated that the DAT individuals
produced relatively larger priming effects than both the
young and the healthy old, but these data could be accommodated
by increases in effect size due to general slowing of response
latencies. In Experiment 2, the same cross-modal priming
paradigm was used with ambiguous words presented as primes
(e.g., BANK) and either high-dominant (e.g., MONEY) or
low-dominant (e.g., RIVER) words as targets. The results
of Experiment 2 produced a qualitatively distinct pattern
of priming that indicated DAT individuals only produced
priming for high-dominant targets and not for low-dominant
targets, whereas, the healthy control groups produced equivalent
priming for both high- and low-dominant targets. The discussion
focuses on the implication that these results have for
the interpretation of semantic priming effects, in general,
along with implications for the apparent semantic memory
loss in DAT individuals. (JINS, 1999, 5,
626–640.)
Publisher
Cambridge University Press (CUP)
Subject
Psychiatry and Mental health,Neurology (clinical),Clinical Psychology,General Neuroscience
Cited by
59 articles.
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