Discrimination Reversal Facilitates Contextual Conditioning in Rats’ Appetitive conditioning

Author:

Alcalá Jose A.1,González Gabriel1,Aristizabal José A.2,Callejas-Aguilera José E.1,Rosas Juan M.1

Affiliation:

1. Department of Psychology , Universidad de Jaén ( Spain )

2. Department of Psychology , Konrad Lorenz University Foundation , Bogotá , ( Colombia )

Abstract

Abstract Two experiments were conducted with the goal of exploring the effect of experiencing associative interference upon concurrent learning about conditioned stimuli and contexts in rats’ appetitive conditioning. During the first training phase, two groups of rats received a conditioned stimulus (CS1) followed by food, whereas another conditioned stimulus (CS2) was presented alone. During a second training phase, discrimination was reversed in group R, while it remained the same in group D. A new conditioned stimulus (CS3) was concurrently trained followed by food during this second Phase (Experiment 1). Reversal discrimination did not facilitate concurrent conditioning of the new stimulus, but there was a trend towards facilitation of contextual conditioning, measured by magazine entries in the absence of stimuli, that was confirmed in Experiment 2. These results suggest that the interference treatment may facilitate context conditioning under circumstances and with boundaries that are yet to be established.

Publisher

Walter de Gruyter GmbH

Subject

Psychology (miscellaneous),Arts and Humanities (miscellaneous),Developmental and Educational Psychology,Experimental and Cognitive Psychology,Statistics and Probability

Reference53 articles.

1. Alcalá, J. A., Callejas-Aguilera, J. E., Lamoureux, J. A., & Rosas, J. M. (2017). Discrimination Reversal Facilitates Subsequent Acquisition of Temporal Discriminations in Rats’ Appetitive Conditioning. Manuscript in preparation.

2. Alcalá, J. A., Callejas-Aguilera, J. E., Nelson, B., & Rosas, J. M. (2017). Reversal Training Facilitates Acquisition of New Learning in a Morris Water Maze. Manuscript in preparation.

3. Alcalá, J. A., Callejas-Aguilera, J. E. & Rosas, J. M. (2017). La teoría atencional del procesamiento contextual. Diez años de análisis del papel de la atención al contexto en la recuperación de la información. En: Nieto, J. & Berbal-Gamboa, R. (Eds). Estudios Contemporáneos en Cognición Comparada. México.

4. Aristizabal, J. A., Ramos-Álvarez, M. M., Callejas-Aguilera, J. E., & Rosas, J. M. (2016). Attention to irrelevant contexts decreases as training increases: Evidence from eye-fixations in a human predictive learning task. Behavioural Processes, 124, 66–73. https://doi.org/10.1016/j.beproc.2015.12.00810.1016/j.beproc.2015.12.008

5. Aristizabal, J. A., Ramos Álvarez M. M., Callejas-Aguilera, J. E., & Rosas J. M. (2017). Context-switches after short acquisition lead to an increase on attention to the context in a human predictive learning task. Behavioural Processes, 145, 31-36. http://10.1016/j.beproc.2015.12.00810.1016/j.beproc.2017.10.001

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