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Titolo:
RETRIEVAL FROM SEMANTIC MEMORY AND ITS IMPLICATIONS FOR ALZHEIMERS-DISEASE
Autore:
ROHRER D; WIXTED JT; SALMON DP; BUTTERS N;
Indirizzi:
GEORGE WASHINGTON UNIV,DEPT PSYCHOL,2125 G ST NW WASHINGTON DC 20052 UNIV CALIF SAN DIEGO,DEPT PSYCHOL SAN DIEGO CA 92103 UNIV CALIF SAN DIEGO,DEPT NEUROSCI SAN DIEGO CA 92103 UNIV CALIF SAN DIEGO,DEPT PSYCHIAT SAN DIEGO CA 92103
Titolo Testata:
Journal of experimental psychology. Learning, memory, and cognition
fascicolo: 5, volume: 21, anno: 1995,
pagine: 1127 - 1139
SICI:
0278-7393(1995)21:5<1127:RFSMAI>2.0.ZU;2-K
Fonte:
ISI
Lingua:
ENG
Soggetto:
RECALL LEVEL; HYPERMNESIA; DEMENTIA; TIME;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Science Citation Index Expanded
Citazioni:
46
Recensione:
Indirizzi per estratti:
Citazione:
D. Rohrer et al., "RETRIEVAL FROM SEMANTIC MEMORY AND ITS IMPLICATIONS FOR ALZHEIMERS-DISEASE", Journal of experimental psychology. Learning, memory, and cognition, 21(5), 1995, pp. 1127-1139

Abstract

In 3 experiments, participants generated category exemplars (e.g., kinds of fruits) while a voice key and computer recorded each response latency relative to the onset of responding. In Experiment 1, mean response latency was faster when participants generated exemplars from smaller categories, suggesting that smaller mental search sets result in faster mean latencies. In Experiment 2, a concurrent secondary task increased mean response latency, suggesting that slowed mental processing results in slower mean latencies. In Experiment 3, the mean responselatency of Alzheimer's participants was faster than that of elderly controls, which is consistent with the idea that the semantic memory impairments of Alzheimer's disease patients stem primarily from a reduction in available items (as in Experiment 1) rather than retrieval slowing (as in Experiment 2).

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Documento generato il 21/09/20 alle ore 05:59:10