Aberrant Salience and Components of the Gray´s Model in the Development of Positive Symptomatology





aberrant salience, personality, sensitivity to punishment, sensitivity to reward, positive sympto-matology, psychosis


Recently, research focused on the study of the bases of psychosis has placed the accent on aberrant salience (Kapur, 2003). Likewise, it has been shown that the emotional systems proposed by Gray (1982), related to sensitivity to punishment and sensitivity to reward, influence the development of various psychopathologies. The role of these systems in psychosis has hardly been investigated. The objective of this work was to study the mediating role of sensitivity to punishment and sensitivity to reward in the relationship between aberrant salience and positive symptomatology, understood as ideas of reference, persecutory ideas and hallucinatory propensity in a sample composed of 259 students of the University of Seville (Spain). The results showed a partial mediation of the sensitivity to punishment and the sensitivity to reward in the mediation model of the ideas of reference, as well as a partial mediation of the SR in the model of the hallucinatory propensity. However, no mediation was observed neither of the sensitivity to punishment nor of the sensitivity to reward in the persecutory ideas model. According to these results, it seems that the sensitivity to punishment and sensitivity to reward are basic characteristics of the personality that could influence the development of some positive symptoms, and therefore, of psychosis.


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Author Biographies

Marta Sánchez-Arjona Casquete de Prado, Universidad de Sevilla (España)

Departamento de Personalidad, Evaluación y Tratamiento Psicológicos. Universidad de Sevilla (España)

Rafael Martínez Cervantes, Universidad de Sevilla

Departamento de Psicología Experimental

Cristina Senín-Calderón, Universidad de Cádiz

Departamento de Psicología

Juan Francisco Rodríguez-Testal, Universidad de Sevilla

Departamento de Personalidad, Evaluación y Tratamiento Psicológicos


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How to Cite

Sánchez-Arjona Casquete de Prado, M., Martínez Cervantes, R., Senín-Calderón, C., & Rodríguez-Testal, J. F. (2019). Aberrant Salience and Components of the Gray´s Model in the Development of Positive Symptomatology. Acción Psicológica, 16(1), 75–90. https://doi.org/10.5944/ap.16.1.22205



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