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Authordc.contributor.authorMiller, Ralph R. 
Authordc.contributor.authorLaborda Rojas, Mario 
Authordc.contributor.authorPolack, Cody W. 
Cita de ítemdc.identifier.citationLearning and Motivation 70 (2020) 101623es_ES
Abstractdc.description.abstractRenewal is the recovery of extinguished responding to a conditioned stimulus when testing occurs outside the extinction context. Renewal has been explained as the extinction context becoming a negative occasion setter during extinction. However, other mechanisms may contribute. Two recent studies showed (a) after extinction of a discrete cue, the extinction context can serve as a conditioned inhibitor, and (b) in some circumstances operational extinction of a conditioned inhibitor can reduce inhibition with respect to a transfer excitor while retaining inhibition with respect to the excitor used in inhibitory training. Here we examine the potential contribution of these phenomena to renewal. In the present experiment, all rats received fear-conditioning with a target cue in one context and extinction of that cue in a second context. Then half of the subjects received massive extinction of the extinction context (i.e., 24 h) while the other half received only handling. Finally, some subjects in each condition were tested for responding to the target cue in the extinction context, others in a second familiar context, and yet others in a third transfer context in which another fear cue had been extinguished. The results showed ABC renewal independent of whether subjects had or had not received context extinction. However, transfer of the inhibitory potential of the extinction context was observed only in subjects that did not receive context extinction. These results suggest an extinction context can serve as a stimulus-specific conditioned inhibitor, thereby contributing to renewal by decreasing responding to the target cue in an ABB control condition.es_ES
Patrocinadordc.description.sponsorshipUnited States Department of Health & Human Services National Institutes of Health (NIH) - USA NIH National Institute of Mental Health (NIMH) 33881 Program UApoya, University of Chilees_ES
Type of licensedc.rightsAttribution-NonCommercial-NoDerivs 3.0 Chile*
Link to Licensedc.rights.uri*
Sourcedc.sourceLearning and Motivationes_ES
Keywordsdc.subjectConditioned inhibitiones_ES
Keywordsdc.subjectStimulus-specific inhibitiones_ES
Títulodc.titleExtinction training can make the extinction context a stimulusspecific inhibitor: a potential mechanism of experimental renewales_ES
Document typedc.typeArtículo de revistaes_ES
Indexationuchile.indexArtículo de publicación ISIes_ES

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Except where otherwise noted, this item's license is described as Attribution-NonCommercial-NoDerivs 3.0 Chile