title: Context specificity of taste aversion is boosted by pre-exposure and conditioning with a different taste.
abstract: Recent reports in the literature show that an extinction treatment makes subsequently learned information context-specific. An experiment in conditioned taste aversion evaluated whether pre-exposure and conditioning with a given flavor would make conditioning of a different flavor context specific as well. Rats received conditioning with taste Y in context A, before being tested in extinction either in context A or in a different but equally familiar context (context B). Half of the animals received a pre-exposure and conditioning treatment with a different flavor (X), while the other half only received conditioning. The context change at testing led to higher consumption of Y in the animals that had received previous pre-exposure and conditioning with X. The implications of these results for the mechanisms underlying context-switch effects are discussed.
authors.affiliation: Universidad Nacional Autónoma de México, Mexico.
authors.forename: Rodolfo
authors.initials: R
authors.lastname: Bernal-Gamboa
authors.affiliation: Universidad Nacional Autónoma de México, Mexico. Electronic address: janigu@unam.mx.
authors.forename: Javier
authors.initials: J
authors.lastname: Nieto
authors.affiliation: Universidad de Jaen, Spain. Electronic address: jmrosas@ujaen.es.
authors.forename: Juan M
authors.initials: JM
authors.lastname: Rosas
mesh_terms: D000818:Animals; D001362:Avoidance Learning / Q000187:drug effects*; D003214:Conditioning, Classical / Q000187:drug effects; D003463:Cues; D005108:Extinction, Psychological; D008297:Male; D051381:Rats; D017208:Rats, Wistar; D012965:Sodium Chloride / Q000494:pharmacology*; D013395:Sucrose / Q000494:pharmacology*; D013649:Taste / Q000502:physiology*; D055697:Taste Perception / Q000502:physiology
chemical_list: D012965:Sodium Chloride; D013395:Sucrose
keywords: Context dependence; Pre-exposure; Rats; Taste aversion