NDLI: Retroactive interference and rate of forgetting in delayed matching-to-sample performance

Content Provider	Springer Nature Link
Author	Harper, David N. White, K. Geoffrey
Copyright Year	1997
Abstract	Previous evidence suggests that a disruptive stimulus presented during the delay interval of a delayed matching-to-sample trial increases the rate of forgetting by pigeons. However, disruptive events have generally been presented for a period of time proportional to the delay interval. Thus, the observed increase in forgetting may be the result of greater exposure to these events at longer delays than at shorter ones. This possibility was examined by comparing the effects of houselight illumination for the entire delay, half the delay, or a constant 1.5 sec of each delay on pigeons’ delayed matching-to-sample accuracy. Presenting the houselight for a period of time proportional to each delay (i.e., the entire delay or half the delay) impaired accuracy more at longer delays than at shorter delays. By contrast, when the houselight was illuminated for 1.5 sec, irrespective of delay length, there was a greater impairment in accuracy at shorter delays than at longer delays. Thus, the increased rate of forgetting previously reported in the literature may be the result of unequal application of a disrupting stimulus across delays.
Starting Page	158
Ending Page	164
Page Count	7
File Format	PDF
ISSN	00904996
Journal	Learning & Behavior
Volume Number	25
Issue Number	2
e-ISSN	15325830
Language	English
Publisher	Springer-Verlag
Publisher Date	1997-01-01
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Psychology Neurosciences
Content Type	Text
Resource Type	Article
Subject	Experimental and Cognitive Psychology Behavioral Neuroscience Psychology Animal Science and Zoology Neuropsychology and Physiological Psychology

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