Understanding and Preventing Violence, Volume 2 Biobehavioral Influences (1994) / Chapter Skim
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Pages 252-254
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From page 252... ...
NeuropharmacoJogic Manipulations of Catecho~amines The pharmacologic evidence from animal and human studies suggests a permissive role for catecholamines in aggressive and violent behavior. One type of experimental strategy is to compromise catecholamine synthesis, storage, or release; these manipulations reliably reduce aggressive and defensive behavior in animals ranging from mice to monkeys {e.g., Eichelman, 1981; Torda, 1976J.
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From page 253... ...
irritability may be produced by CA-depleting doses of the cytotoxic agent 6-hydroxy~opamine j6-OHDAJ in laboratory rats, and the indiscriminate biting and defensive reactions can further be amplified by exposure to pain stimuli E.g., Eichelman et al., 1972; Eichelman and Thoa, 1973; Nakamura and Thoenen, 1972; Geyer and Segal, 1974; Pucilowski and Valzelli, 1986; BelesTin et al., 1986; see Table 2, section DJ. In contrast to these observations are the suppressive effects of 6-OHDA on aggressive behavior in monkeys when confronting conspecifics fRedmonc3 et al., 1973J or in cats preying on rats iDubinsky et al., 1973J.
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From page 254... ...
The amino acid precursors (-tyrosine and i-phenylalanine, if added to the diet, may transiently increase aggressive behavior in mice iThurmond et al., 1979, 19801. DA, when given directly into the cerebral ventricles, may also increase pain-induced defensive responses in rats {Geyer and Segal, 19741.
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