[Significance of twin birth for the appearance of cyclic psychoses].

  title={[Significance of twin birth for the appearance of cyclic psychoses].},
  author={K R Leonhard},
  journal={Psychiatrie, Neurologie, und medizinische Psychologie},
  volume={28 2},
  • K R Leonhard
  • Published 1976 in
    Psychiatrie, Neurologie, und medizinische…
The motility psychosis, one of the cycloid psychoses, is frequently encountered in twins. As this is also true of two-egg twins, similarity of character does not seem to be essential. Therefore the influence must probably become active during early childhood, perhaps even the first year of life. Somatic lesions before and after birth must be taken into consideration, as the weaker twin is at higher risk. On the other hand, a mutual influence between the twins has been suggested by the… CONTINUE READING