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PubMed · 8378472

[Aggression and autoaggression].

Abstract

This paper attempts to describe the relationship between violence and suicidality according to phenomenological, biological and psychodynamic aspects. In bringing together these aspects a model of human aggressive behaviour is represented.

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T Steinert, M Wolfersdorf. 1993. [Aggression and autoaggression].. https://pubmed.ncbi.nlm.nih.gov/8378472/

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The lateralized effects of ethanol (ETOH) upon behavior and monoamine biochemistry in the lizard, Anolis carolinensis, were examined. Eight adult male anoles consumed solutions of 19% ethanol (ETOH) twice daily over the course of 18 days, while controls consumed water. ETOH decreased the use of the left eye/right hemisphere, but not the right eye/left hemisphere, during territorial aggression (p<0.05). During crossover (i.e., ETOH to water and vice versa) this effect was reversible and replicable. Biochemically, an asymmetry was observed in 5-HT levels in the raphe both in ETOH and controls. ETOH increased levels of serotonin (5-HT; p<0.05), and 5-HIAA/5-HT ratios (p<0.05) in the raphe; serotonin levels in several brain regions correlated with aggressive responses. These results suggest that ETOH boosts 5-HT levels in animals subchronically exposed to ETOH. They further suggest that asymmetry in endogenous 5-HT systems may account for the asymmetrical regulation of aggression generally, and may explain the behavioral effects of ETOH upon lateralized aggression.

Aggression