Socio-Economic Background, Aggression and Catecholamine Excretion

Abstract
3 24-hr. urine samples were obtained from 27 volunteer army enlisted men on 3 consecutive days. The urine samples were analyzed for norepinephrine and epinephrine content and the results were related to selected socioeconomic background variables obtained from questionnaire responses of Ss. Individuals with low socio-economic backgrounds excreted significantly higher proportions of norepinephrine in relation to epinephrine than did individuals with middle-class backgrounds. Class differences in socialization of the child with respect to aggressiveness are hypothesized as leading to characteristic outwardly or inwardly aggressive behavior which has been shown previously to relate differentially to catecholamine excretion.

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