Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Relative hedonic value modulates anticipatory contrast

C F Flaherty1, J Turovsky, K L Krauss

  • 1Department of Psychology, Rutgers University, New Brunswick, NJ 08903.

Physiology & Behavior
|June 1, 1994
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

The phenomenon of one-trial tolerance to the anxiolytic effect of chlordiazepoxide in the elevated plus-maze test is abolished by previous administration of chlordiazepoxide or buspirone.

Life sciences·2003
Same author

Lesions of nucleus accumbens reduce instrumental but not consummatory negative contrast in rats.

Behavioural brain research·2000
Same author

Absolute and relative rewarding properties of fructose, glucose, and saccharin mixtures as reflected in anticipatory contrast.

Physiology & behavior·1999
Same author

Excitotoxic lesions of the hippocampus disrupt runway but not consummatory contrast.

Behavioural brain research·1998
Same author

Effect of chlordiazepoxide on the response to repeated reductions in sucrose concentration in free-fed rats.

Physiology & behavior·1996
Same author

Lack of tolerance to contrast-reducing actions of chlordiazepoxide with repeated reward reductions.

Physiology & behavior·1996

Anticipatory contrast effects in taste perception depend on the relative palatability of substances. Increasing the hedonic value of the initial substance strengthens this contrast effect, influencing taste experiences.

Area of Science:

  • Behavioral neuroscience
  • Sensory science
  • Psychophysics

Background:

  • Taste perception and hedonic value are crucial for survival behaviors.
  • Anticipatory contrast effects, where a less preferred taste alters the perception of a subsequent preferred taste, are well-documented.
  • The precise relationship between relative hedonic value and the magnitude of anticipatory contrast requires further elucidation.

Purpose of the Study:

  • To investigate the relationship between the relative hedonic value of paired substances and the magnitude of anticipatory contrast effects.
  • To examine how varying concentrations of saccharin and sucrose influence taste contrast.
  • To explore the role of serotonin receptor agonists and antagonists in modulating these effects.

Main Methods:

Related Experiment Videos

  • Rats were trained with daily pairings of an initial substance followed by a preferred solution (sucrose).
  • Varying concentrations of saccharin and sucrose were used as initial substances to manipulate hedonic value.
  • The effects of serotonin antagonist cyproheptadine and serotonin1A agonist buspirone on lick frequency and contrast were assessed.

    • Main Results:

    • A facilitation effect was observed when the initial substance had low hedonic value relative to the preferred solution.
    • As the hedonic value of the initial substance increased, facilitation was replaced by anticipatory contrast, which intensified with higher initial substance values.
    • Neither cyproheptadine nor buspirone significantly altered the magnitude of the anticipatory contrast effect, despite affecting overall lick rates.

    Conclusions:

    • The degree of anticipatory contrast is directly modulated by the relative hedonic value of the sequentially presented taste stimuli.
    • Response competition, inhibition, and devaluation mechanisms are proposed to explain the occurrence of taste contrast.
    • Serotonergic pathways may not be the primary mediators of anticipatory taste contrast, although they influence general arousal or intake levels.