Stimulus interaction and between-trials proactive interference in monkeys

Thomas J. Reynolds*, Douglas L. Medin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

13 Scopus citations


Most theoretical accounts of proactive interference in delayed-matching-to-sample paradigms focus on processes linked to time. Two experiments with 3 5-8 yr old rhesus monkeys questioned this exclusive focus on temporal facts. Between-trials proactive interference was studied in a situation in which the similarity of consecutive trials was varied along the dimensions of color, form, and position. All of these factors as well as the similarity of sample and test contexts contributed to memory performance. A mathematical model, based on the assumptions that similarity influences memory-based judgments and that overall similarity is determined by the multiplicative interaction of component dimensions, gave a qualitative and quantitative account of the data in both experiments. Results support a broader view of factors determining proactive interference and are inconsistent with the idea that these multiple factors can be treated as independent. (18 ref) (PsycINFO Database Record (c) 2006 APA, all rights reserved).

Original languageEnglish (US)
Pages (from-to)334-347
Number of pages14
JournalJournal of Experimental Psychology: Animal Behavior Processes
Issue number4
StatePublished - Oct 1 1981


  • form &
  • position in delayed matching-to-sample task, memory, monkeys
  • similarity of consecutive trials in color &

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Experimental and Cognitive Psychology


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