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Different involvement of medial prefrontal cortex and dorso-lateral striatum in automatic and controlled processing of a future conditioned stimulus

Opened Access Different involvement of medial prefrontal cortex and dorso-lateral striatum in automatic and controlled processing of a future conditioned stimulus

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Autor: Pérez Díaz, Francisco José
Díaz Argandoña, Estrella
Sánchez González, Natividad
Vargas Romero, Juan Pedro
Pearce, John M.
López García, Juan Carlos
Departamento: Universidad de Sevilla. Departamento de Psicología Experimental
Fecha: 2017
Publicado en: PLoS ONE, 12 (12), 1-14.
Tipo de documento: Artículo
Resumen: Recent studies support the idea that stimulus processing in latent inhibition can vary during the course of preexposure. Controlled attentional mechanisms are said to be important in the early stages of preexposure, while in later stages animals adopt automatic processing of the stimulus to be used for conditioning. Given this distinction, it is possible that both types of processing are governed by different neural systems, affecting differentially the retrieval of information about the stimulus. In the present study we tested if a lesion to the dorso-lateral striatum or to the medial prefrontal cortex has a selective effect on exposure to the future conditioned stimulus (CS). With this aim, animals received different amounts of exposure to the future CS. The results showed that a lesion to the medial prefrontal cortex enhanced latent inhibition in animals receiving limited preexposure to the CS, but had no effect in animals receiving extended preexposure to the CS. The lesion of the...
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Cita: Pérez Díaz, F.J., Díaz Argandoña, E., Sánchez González, N., Vargas Romero, J.P., Pearce, J.M. y López García, J. C. (2017). Different involvement of medial prefrontal cortex and dorso-lateral striatum in automatic and controlled processing of a future conditioned stimulus. PLoS ONE, 12 (12), 1-14.
Tamaño: 3.313Mb
Formato: PDF

URI: http://hdl.handle.net/11441/68100

DOI: 10.1371/journal.pone.0189630

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