PubMed · 8853599
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G W Kraemer, A S Clarke. 1996-09-20. Social attachment, brain function, and aggression.. https://doi.org/10.1111/j.1749-6632.1996.tb32516.x
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Evidence is reviewed concerning the brain areas and neurotransmitters involved in aggressive behavior in the cat and rodent. In the cat, two distinct neural circuits involving the hypothalamus and PAG subserve two different kinds of aggression: defensive rage and predatory (quiet-biting) attack. The roles played by the neurotransmitters serotonin, GABA, glutamate, opioids, cholecystokinin, substance P, norepinephrine, dopamine, and acetylcholine in the modulation and expression of aggression are discussed. For the rat, a single area, largely coincident with the intermediate hypothalamic area, is crucial for the expression of attack; variations in the rat attack response in natural settings are due largely to environmental variables. Experimental evidence emphasizing the roles of serotonin and GABA in modulating hypothalamically evoked attack in the rat is discussed. It is concluded that significant progress has been made concerning our knowledge of the circuitry underlying the neural basis of aggression. Although new and important insights have been made concerning neurotransmitter regulation of aggressive behavior, wide gaps in our knowledge remain.
In the past decade, research into the etiology of rape has increasingly focused on cognitive variables. The studies reviewed in the present article provide evidence that men with a high proclivity to rape have more rape supportive attitudes, are more likely to consider victims to be responsible for rape, and are less knowledgeable about the negative impact of rape on the victims. These men tend to misperceive cues emitted by women in heterosocial interactions; fail to generate inhibitory self-verbalizations to suppress association of sex and aggression; and have more coercive, sexual fantasies. Furthermore, a high proclivity to rape is associated with a semantic network in which concepts of sex and power are closely linked in such a way that power cues are necessary precursors of sexual feelings. Multivariate studies suggest that rape-supportive attitudes interact with noncognitive factors in the etiology of rape. Implications for rape prevention and treatment of rapists are considered. Finally, methodological issues are discussed, and recommendations for future research are given.