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Related Concept Videos

Conditioned Taste Aversion01:14

Conditioned Taste Aversion

Conditioned taste aversion, also known as sauce béarnaise syndrome, is a phenomenon in which an individual develops an aversion to a certain food taste following a negative experience, typically illness. This form of aversion is a type of classical conditioning in which the taste of the food (conditioned stimulus, CS) is associated with the experience of illness (unconditioned stimulus, UCS).
A notable characteristic of conditioned taste aversion is that it often requires only a single exposure...
Classical Conditioning in Daily Life01:17

Classical Conditioning in Daily Life

Classical conditioning, a fundamental principle of associative learning, explains various phenomena observed in daily life, such as fear development, the placebo effect, taste aversion, and drug habituation. These applications demonstrate the profound impact of associative learning on human behavior and physiological responses.
John B. Watson and Rosalie Rayner famously demonstrated the development of fear through classical conditioning in their experiment with Little Albert. They paired the...
Instinctive Drift01:05

Instinctive Drift

Instinctive drift refers to the tendency of animals to revert to their innate behaviors despite repeated reinforcement. Breland and Breland demonstrated this concept in an experiment with a raccoon. The raccoon was trained to pick up two coins and place them in a container in exchange for food. Initially, the raccoon learned to associate the coins with food, making them a conditioned stimulus or a substitute for food. However, over time, the raccoon became less willing to put the coins into the...

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Related Experiment Video

Updated: Jun 8, 2026

Assessing Activity-based Anorexia in Mice
08:26

Assessing Activity-based Anorexia in Mice

Published on: May 14, 2018

Experience with activity based anorexia enhances conditioned taste aversion learning in rats.

Nu-Chu Liang1, Nicholas T Bello, Timothy H Moran

  • 1Department of Psychiatry and Behavioral Sciences, School of Medicine, the Johns Hopkins University, Baltimore, MD 21205, USA. nliang2@jhmi.edu

Physiology & Behavior
|October 16, 2010
PubMed
Summary

Rats exposed to activity-based anorexia (ABA), a model for anorexia nervosa (AN), learned food avoidance faster and retained negative food associations longer than control rats. This suggests AN-like behaviors may prolong aberrant eating patterns.

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Published on: August 24, 2016

Area of Science:

  • Neuroscience
  • Behavioral Neuroscience
  • Psychology

Background:

  • Activity-based anorexia (ABA) is an animal model simulating self-starvation and hyperactivity seen in anorexia nervosa (AN).
  • Understanding the long-term behavioral consequences of AN-like states is crucial for developing effective treatments.

Purpose of the Study:

  • To investigate if prior ABA experience enhances conditioned taste aversion (CTA) learning and hinders its extinction in female rats.
  • To explore the persistence of negative food associations following AN-like behaviors.

Main Methods:

  • Comparison of CTA acquisition and extinction in naive, ABA, and pair-fed rats.
  • Rats were conditioned using sucrose as a taste stimulus followed by lithium chloride (LiCl) injection.
  • Extinction was assessed using one-bottle and two-bottle tests.

Main Results:

  • ABA rats acquired sucrose aversion significantly faster than naive and pair-fed controls.
  • ABA rats showed complete sucrose avoidance, while controls continued to sample it.
  • ABA rats exhibited slower extinction of sucrose aversion, particularly in the one-bottle test.

Conclusions:

  • Experience with ABA enhances the acquisition of food aversion and prolongs the retention of negative food associations.
  • These findings suggest that AN-like behaviors can lead to persistent aberrant eating patterns, offering insights into eating disorder chronicity.