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Perceived stimulus complexity and food preference development.

C M Lévy1, A MacRae, E P Köster

  • 1Pernod Ricard Research Centre, 120 Avenue du Maréchal Foch, 94015 Crëteil Cedex, France.

Acta Psychologica
|September 2, 2006
PubMed
Summary
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Perceived complexity influences preference development. Experiencing drinks with slightly higher complexity than preferred shifts optimal levels upward, while less complex stimuli do not alter preferences.

Area of Science:

  • Psychology
  • Cognitive Science
  • Sensory Science

Background:

  • Collative properties, such as perceived complexity, are crucial in understanding arousal and reinforcement.
  • Theories by Berlyne (1967) and Dember & Earl (1957) suggest complexity influences exploratory behavior and preference.

Purpose of the Study:

  • To investigate the role of perceived complexity in the dynamic development of preference.
  • To examine how exposure to varying levels of perceived complexity affects an individual's optimal preference level.

Main Methods:

  • Eighty-six female and 82 male participants rated their liking for seven similar orange drinks varying in perceived complexity.
  • Participants provided ratings before and after extended exposure to one randomly assigned drink.
  • Perceived complexity was manipulated by adding small quantities of other flavors.

Related Experiment Videos

Main Results:

  • Exposure to a stimulus with slightly higher perceived complexity than the individual's optimal level induced an upward shift in that optimal level.
  • Exposure to less complex stimuli did not result in a significant shift in optimal perceived complexity.
  • Observed changes in drink appreciation aligned with theoretical predictions.

Conclusions:

  • Perceived complexity is a significant factor in the adaptation and development of preference.
  • Optimal preference levels are dynamic and can be adjusted through exposure to stimuli of specific complexity.
  • The findings support theories linking exploratory behavior, complexity, and preference formation.