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The associations between personality dimensions of the Eysenck Personality Questionnaire and individual differences in the regional uptake of 99m Tc-Exametazime in brain were studied in 51 healthy volunteers. Extraversion was significantly correlated (r = 0.46, P < 0.001) with tracer uptake in the anterior and posterior cingulate areas bilaterally, whereas no significant associations were found with neuroticism or psychoticism. The results are presented with reference to recent studies which have, on the one hand, interpreted extraversion differences in relation to theories of attention and, on the other, demonstrated the role of the cingulate area as a possible neuronal substrate for attentional processing mechanisms. © 1994.

Original publication

DOI

10.1016/0191-8869(94)90131-7

Type

Journal article

Journal

Personality and Individual Differences

Publication Date

01/01/1994

Volume

17

Pages

587 - 595