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Delay Gradients for Spout-Licking and Magazine-Entering Induced by a Periodic Food Schedule

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dc.contributor.authorKilleen, Peter R.
dc.contributor.authorPellón Suárez de Puga, Ricardo
dc.contributor.authorIbias Martín, Javier
dc.date.accessioned2024-05-20T11:50:23Z
dc.date.available2024-05-20T11:50:23Z
dc.date.issued2018-03-26
dc.description.abstractThe present experiments studied impulsivity by manipulating the delay between target responses and presentation of a reinforcer. Food-deprived SHR, WKY, and Wistar rats were exposed to a fixed-time 30-s schedule of food pellet presentation until they developed stable patterns of water spout-licking and magazine-entering. In successive phases of the study, a resetting delay contingency postponed food delivery if target responses (licks or entries) occurred within the last 1, 2, 5, 10, 20, 25, or 28 s of the inter-food interval. Response-food delays were applied independently for the two behaviors during separate experimental phases, and order of presentation and the behavior that was punished first were counterbalanced. Licking was induced in the order of Wistar > SHR > WKY, and magazine entries were in the order of SHR > WKY > Wistar. Magazine entries showed steeper delay gradients than licking in SHR and Wistar rats but were of similar great inclination in the WKY rats. The different responses were differentially sensitive to delays. This suggests a different ordering of them in the interval between reinforcers. It also has implications for attempts to change impulsive behavior, both in terms of the nature of the response and its removal from reinforcing consequences.en
dc.description.versionversión final
dc.identifier.doihttp://doi.org/10.1007/s40732-018-0275-2
dc.identifier.issn2163-3452
dc.identifier.urihttps://hdl.handle.net/20.500.14468/12618
dc.journal.titlePsychological Record
dc.journal.volume68
dc.language.isoen
dc.publisherSpringer Nature
dc.relation.centerFacultad de Psicología
dc.relation.departmentMetodología de las Ciencias del Comportamiento
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/deed.es
dc.subject.keywordsSchedule-induced behavior
dc.subject.keywordsLicks
dc.subject.keywordsMagazine entries
dc.subject.keywordsResponse-food delays
dc.subject.keywordsStrain differences
dc.subject.keywordsRats
dc.titleDelay Gradients for Spout-Licking and Magazine-Entering Induced by a Periodic Food Schedulees
dc.typejournal articleen
dc.typeartículoes
dspace.entity.typePublication
relation.isAuthorOfPublication8edbde84-9307-47aa-9ef8-5e85de175df6
relation.isAuthorOfPublication309c25b3-8ac4-4106-9ad3-4a441098fae9
relation.isAuthorOfPublication.latestForDiscovery8edbde84-9307-47aa-9ef8-5e85de175df6
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