THE PSYCHOBIOLOGY OF AGRESSIVE BEHAVIOURS

José Antonio Gil Verona, Juan Francisco Pastor, Félix De Paz, Mercedes Barbosa, José Ángel Macías, María Antonia Maniega, Lorena Rami-González, Teresa Boget, Inés Picornell

Abstract


With this paper we have made a revision of what aggression and violence are, to find out what their possible psychobiological causes are, as we consider that the study of the psychobiological mechanisms of aggression will allow a better understanding of the evolution of this human behaviour, and also a better classification of the pathological signs of the violent behaviours. We define violence as a destructive aggression that implies physical harm to people or their properties , as those properties are instruments of life for the person assaulted or a symbol of it. We show the different psychobiological models: genetic, endocrinological, ethological and neurobiological, describing how some kinds of pathological impulsive violent behavious, can be studied as a behaviour problem with biological conexions.

Keywords


etiology; aggression; amygdala; androgens; prefrontal cortex; psychobiology; serotonine; violence

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