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Related Concept Videos

Gustation01:43

Gustation

Gustation is a chemical sense that, along with olfaction (smell), contributes to our perception of taste. It starts with the activation of receptors by chemical compounds (tastants) dissolved in the saliva. The saliva and filiform papillae on the tongue distribute the tastants and increase their exposure to the taste receptors.
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...
Factorial Design02:01

Factorial Design

Factorial Analysis is an experimental design that applies Analysis of Variance (ANOVA) statistical procedures to examine a change in a dependent variable due to more than one independent variable, also known as factors. Changes in worker productivity can be reasoned, for example, to be influenced by salary and other conditions, such as skill level. One way to test this hypothesis is by categorizing salary into three levels (low, moderate, and high) and skills sets into two levels (entry level...
Taste Buds and Receptors01:20

Taste Buds and Receptors

Gustation, or the sense of taste, is intrinsically linked to the anatomical structures located on the tongue. This organ's surface, along with the entirety of the oral cavity, is adorned with stratified squamous epithelium. Evident on the tongue are elevated structures known as papillae (singular = papilla), which house the mechanisms for the transduction of gustatory stimuli. Four distinct types of papillae exist, each identified by their unique morphological attributes: the circumvallate,...
The Physiology of Taste01:24

The Physiology of Taste

The perception of a salty flavor is facilitated by sodium ions within the oral salivary fluid. Upon consumption of a salty substance, salt crystals disassemble, leading to the liberation of its constituents—Na+ and Cl- ions. These ions subsequently dissolve into the salivary fluid present in the oral cavity. The external environment of the gustatory cells experiences an elevation in Na+ concentration, thereby establishing a potent concentration gradient. This gradient propels the diffusion of...
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

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Appetitive Associative Olfactory Learning in Drosophila Larvae
09:22

Appetitive Associative Olfactory Learning in Drosophila Larvae

Published on: February 18, 2013

Cue interactions in flavor preference learning: a configural analysis.

Dominic M Dwyer1, Mark Haselgrove, Peter M Jones

  • 1School of Psychology, Cardiff University, Cardiff CF10 3AT, United Kingdom. dwyerdm@cardiff.ac.uk

Journal of Experimental Psychology. Animal Behavior Processes
|January 26, 2011
PubMed
Summary
This summary is machine-generated.

Flavor preference conditioning is attenuated by overshadowing and blocking. These findings challenge previous research, suggesting a configural perspective on potentiation and predicting an absence of summation in compound conditioning.

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Area of Science:

  • * Behavioral psychology
  • * Learning and memory
  • * Sensory science

Background:

  • * Flavor preference conditioning is a key area in understanding associative learning.
  • * Previous studies on compound flavor conditioning have yielded inconsistent results regarding cue competition effects.
  • * Overshadowing and blocking are established phenomena in associative learning, but their reliable demonstration in compound flavor preference conditioning has been limited.

Purpose of the Study:

  • * To investigate the influence of overshadowing and blocking on flavor preference conditioning.
  • * To reconcile discrepant findings in previous compound flavor conditioning research.
  • * To test a configural perspective on potentiation and its predictive power regarding summation.

Main Methods:

  • * Four experiments examined the effect of conditioning a neutral flavor cue in compound with another flavor.
  • * Two experiments investigated the impact of prior separate pairing of a compound element with the reinforcer (blocking).
  • * Two experiments tested predictions derived from a configural model concerning summation in compounds of separately trained cues.

Main Results:

  • * Preference for a neutral flavor conditioned with maltodextrin was reduced when presented in compound with another flavor (overshadowing).
  • * Preference was further reduced when one element of the compound was previously paired with the reinforcer (blocking).
  • * Compounds of separately trained cues elicited responses similar to individual cues, confirming the absence of summation.

Conclusions:

  • * Overshadowing and blocking reliably attenuate flavor preference conditioning, contrary to some prior findings.
  • * A configural perspective on potentiation offers a framework for understanding these cue competition effects.
  • * The absence of summation in compounds of separately trained cues supports the configural model.