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| DOI | 10.3389/FPSYG.2016.01968 | ||||
| Año | 2016 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
Associative learning refers to our ability to learn about regularities in our environment. When a stimulus is repeatedly followed by a specific outcome, we learn to expect the outcome in the presence of the stimulus. We are also able to modify established expectations in the face of disconfirming information (the stimulus is no longer followed by the outcome). Both the change of environmental regularities and the related processes of adaptation are referred to as extinction. However, extinction does not erase the initially acquired expectations. For instance, following successful extinction, the initially learned expectations can recover when there is a context change a phenomenon called the renewal effect, which is considered as a model for relapse after exposure therapy. Renewal was found to be modulated by reminder cues of acquisition and extinction. However, the mechanisms underlying the effectiveness of reminder cues are not well understood. The aim of the present study was to investigate the impact of reminder cues on renewal in the field of human predictive learning. Experiment I demonstrated that renewal in human predictive learning is modulated by cues related to acquisition or extinction. Initially, participants received pairings of a stimulus and an outcome in one context. These stimulus-outcome pairings were preceded by presentations of a reminder cue (acquisition cue). Then, participants received extinction in a different context in which presentations of the stimulus were no longer followed by the outcome. These extinction trials were preceded by a second reminder cue (extinction cue). During a final phase conducted in a third context, participants showed stronger expectations of the outcome in the presence of the stimulus when testing was accompanied by the acquisition cue compared to the extinction cue. Experiment II tested an explanation of the reminder cue effect in terms of simple cue-outcome associations. Therefore, acquisition and extinction cues were equated for their associative histories in Experiment II, which should abolish their impact on renewal if based on simple cue-outcome associations. In contrast to this prediction, Experiment II replicated the findings from Experiment I indicating that the effectiveness of reminder cues did not require direct reminder cue-outcome associations.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Bustamante, Javier | Hombre |
Universidad de Chile - Chile
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| 2 | Uengoer, Metin | Hombre |
Philipps Univ Marburg - Alemania
Philipps-Universität Marburg - Alemania |
| 3 | Lachnit, Harald | Hombre |
Philipps Univ Marburg - Alemania
Philipps-Universität Marburg - Alemania |
| Fuente |
|---|
| Fondo Nacional de Desarrollo Científico y Tecnológico |
| Deutscher Akademischer Austauschdienst |
| Fondo Nacional de Desarrollo CientÃfico y Tecnológico |
| postdoctoral FONDECYT |
| German Academic Exchange Service (Deutscher Akademischer Austauschdienst-DAAD) |
| Agradecimiento |
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| JB was supported by a doctoral scholarship from the German Academic Exchange Service (Deutscher Akademischer Austauschdienst-DAAD) and by a postdoctoral grant from the Fondo Nacional de Desarrollo Cientifico y Tecnologico (Postdoctoral Fondecyt #3160591). |
| We thank Kathrin Bahlinger, Joanna Buryn-Weizel, Dominik Deffner, Barnd Hengstebeck, Lukas Herbst, Jascha Kristek, Anne-Marie Leonhardt, Simon Samstag, and Francisco Wilhelm for their help with data collection. JB was supported by a doctoral scholarship from the German Academic Exchange Service (Deutscher Akademischer Austauschdienst-DAAD) and by a postdoctoral grant from the Fondo Nacional de Desarrollo Científico y Tecnológico (Postdoctoral Fondecyt #3160591). |