The British Journal of Psychiatry 146: 530-534 (1985)
© 1985 The Royal College of Psychiatrists
Hereditary differentiation of anxiety and affective neuroses
S Torgersen
One hundred and fifty anxiety neurotic and neurotic depressive twin
probands were differentiated into three groups by means of discriminant
analysis, 50 in each group. The groups were named: pure anxiety neurosis,
mixed anxiety-depression, and pure neurotic depression. Analysis of
concordance rates indicated that only pure anxiety neurosis seemed to be
influenced by hereditary factors.