Deprivation State and Temporal Horizons in Anticipatory Contrast

Charles F. Flaherty, Patricia S. Grigson, Susan Checke, Katherine C. Hnat

Research output: Contribution to journalArticlepeer-review

33 Scopus citations


Anticipatory contrast was found to occur over a longer intersolution interval (ISI) when saccharin preceded sucrose than when sucrose preceded sucrose (Experiment 1), a result that was not due to differences in reward value or preference (Experiments 2a and 2b) or to differences in taste complexity of the initial substance (Experiment 3). Degree of deprivation affected the ISI function in the case of sucrose-sucrose pairings but not in the case of saccharin-sucrose pairings (Experiments 4a and 4b), suggesting that motivational processes, perhaps based on learning the caloric value of the initial substance in the daily sequence, modulate the ISI function.

Original languageEnglish (US)
Pages (from-to)503-518
Number of pages16
JournalJournal of Experimental Psychology: Animal Behavior Processes
Issue number4
StatePublished - Oct 1991

All Science Journal Classification (ASJC) codes

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


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