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  • Biologija agresivnega vedenja = Biology of aggressive behaviour
    Ribarič, Samo
    Background. In human, the limbic system with its connections to the cerebral cortex regulates the expression of aggressive behaviour, which can be directedtoward oneself or at the community. Two ... types of aggresive behaviour can be observed. Impulsive, non-premeditated aggressive behaviour as a response to a real or imagined treat and premeditated, aggressive behaviour with the primary intent of inflicting emotional or physical injury. These two types of aggressive behaviour seem to have distinct patophysiological mechanisms. Conclusions. Impulsive aggressive behaviour is usually associated with marked atrophy or brain damage of the limbic system or cerebral cortex. In contrast, persons expressing premeditated aggressive behaviour have only slight changes in brain anatomy or blood flow. Increased values of testosterone in males and oestrogen in females increase the tendency to express aggressive behaviour. The affect of these sex hormones is most pronounced during the late stages of puberty. Victimes of post-traumatic-stress-syndrome-disorder and people convicted of aggressive behaviour have a dysfunctional hypothalamic-pituitary-adrena axis. Also, prosecuted aggressive individuals have an altered brain metabolism of serotonin, noradrenalin and cortisol. A lack of serotonin actions on the brainincreases the probability of outward, or inward directed aggressive behaviour. The mass media (especially television) exert an important influenceon the publics perception of violence. This is due to a high level ofviolence on television programs, long viewing hours by the adolescent population and their tendency to confuse fantasy with reality. (Abstract truncated at 2000 characters.)
    Vir: Zdravniški vestnik : glasilo Slovenskega zdravniškega društva = Slovenian medical journal = journal of Slovenian Medical Association. - ISSN 1318-0347 (Letn. 69, št. 11, nov. 2000, str. 757-762)
    Vrsta gradiva - članek, sestavni del
    Leto - 2000
    Jezik - slovenski
    COBISS.SI-ID - 12484825

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