Conditioned taste aversion as a learning and memory paradigm

Hans Welzl, Patrizia D'Adamo, Hans Peter Lipp

Research output: Contribution to journalArticle

Abstract

Conditioned taste aversion (CTA) is a well established learning and memory paradigm in rats and mice that is considered to be a special form of classical conditioning. Rodents - as well as many other species including man - learn to associate a novel taste (CS) with nausea (US), and as a consequence avoid drinking fluid with this specific taste. In contrast to other types of classical conditioning, even CS-US intervals lasting several hours lead to an aversion to the gustatory CS. With increasing CS-US delay duration, however, the aversion against the CS gradually decreases. Mice differ from rats in their reaction to the CS as well as the US. They tolerate a much higher concentration of saccharin and they do not show any clear signs of nausea when injected with the US. Advantages of this task are its relative independence of motor behavior, well described pathways for the CS and partly the US, and the wealth of available anatomical and pharmacological data implying several brain structures (e.g. parabrachial nucleus, amygdala, insular cortex), neurotransmitters and their receptors (e.g. cholinergic system, NMDA-receptors), and cellular processes (e.g. expression of immediate early genes, Ras-MAP kinase signaling pathway, CREB phosphorilation, protein tyrosine phosphorilation, protein synthesis) in CTA. The CTA paradigm has also been successfully used to phenotype mouse mutants.

Original languageEnglish
Pages (from-to)205-213
Number of pages9
JournalBehavioural Brain Research
Volume125
Issue number1-2
DOIs
Publication statusPublished - Nov 8 2001

Fingerprint

Learning
Classical Conditioning
Nausea
Saccharin
Cyclic AMP Response Element-Binding Protein
Neurotransmitter Receptor
Immediate-Early Genes
MAP Kinase Signaling System
Amygdala
N-Methyl-D-Aspartate Receptors
Cerebral Cortex
Cholinergic Agents
Drinking
Tyrosine
Rodentia
Pharmacology
Phenotype
Brain
Proteins

Keywords

  • Behavioral phenotyping
  • Knockout
  • Method
  • Transgenic mice

ASJC Scopus subject areas

  • Behavioral Neuroscience

Cite this

Conditioned taste aversion as a learning and memory paradigm. / Welzl, Hans; D'Adamo, Patrizia; Lipp, Hans Peter.

In: Behavioural Brain Research, Vol. 125, No. 1-2, 08.11.2001, p. 205-213.

Research output: Contribution to journalArticle

Welzl, Hans ; D'Adamo, Patrizia ; Lipp, Hans Peter. / Conditioned taste aversion as a learning and memory paradigm. In: Behavioural Brain Research. 2001 ; Vol. 125, No. 1-2. pp. 205-213.
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