The Effect of Interference on Temporal Order Memory for Random and Fixed Sequences in Nondemented Older Adults

Two experiments tested the effect of temporal interference on order memory for fixed and random sequences in young adults and nondemented older adults. The results demonstrate that temporal order memory for fixed and random sequences is impaired in nondemented older adults, particularly when tempora...

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Veröffentlicht in:	Learning & memory (Cold Spring Harbor, N.Y.) N.Y.), 2012-06, Vol.19 (6), p.251-255
Hauptverfasser:	Tolentino, Jerlyn C, Pirogovsky, Eva, Luu, Trinh, Toner, Chelsea K, Gilbert, Paul E
Format:	Artikel
Sprache:	eng
Schlagworte:	Adolescent Age Differences Aged Aging - physiology Attention - physiology Brief Communication Choice Behavior Cognitive Processes Comparative Analysis Experimental Psychology Experiments Female Humans Learning Processes Male Memory Memory, Short-Term - physiology Neurological Impairments Neuropsychological Tests Older Adults Reaction Time - physiology Serial Learning - physiology Statistics, Nonparametric Temporal variations Time Factors Young Adult Young Adults
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Beschreibung
Zusammenfassung:	Two experiments tested the effect of temporal interference on order memory for fixed and random sequences in young adults and nondemented older adults. The results demonstrate that temporal order memory for fixed and random sequences is impaired in nondemented older adults, particularly when temporal interference is high. However, temporal order memory for fixed sequences is comparable between older adults and young adults when temporal interference is minimized. The results suggest that temporal order memory is less efficient and more susceptible to interference in older adults, possibly due to impaired temporal pattern separation.
ISSN:	1072-0502 1549-5485 1549-5485
DOI:	10.1101/lm.026062.112