Abstract
This study compared the nature and magnitude of the relationship between aggression and CSF 5-hydroxyindoleacetic acid (5-HIAA) concentration with that between aggression and the prolactin response to d-fenfluramine challenge in human subjects. The Life History of Aggression assessment scores of 24 subjects with personality disorders were compared with their lumbar CSF 5-HIAA concentrations and with their prolactin responses to d-fenfluramine challenge. Aggression was significantly and inversely correlated with prolactin responses to d-fenfluramine challenge but not with lumbar CSF 5-HIAA concentrations in these subjects. Prolactin response to d-fenfluramine may be more sensitive than lumbar CSF 5-HIAA concentration in detecting a relationship between aggression and central serotonin activity in noncriminally violent human subjects.
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