L'hypothermie-effet secondaire potentiellement sévère de l'utilisation d'un traitement antipsychotique-semble moins bien connue que les effets hyperthermiques, tels que le syndrome malin des neuroleptiques par exemple, et peut être en conséquence sous-diagnostiquée. Chez le sujet âgé, la thermorégulation est parfois altérée. De plus, certains patients souffrant de schizophrénie ne sont pas aptes à contrôler leur environnement ou leur état physique. Les facteurs de risque de survenue d'une hypothermie doivent donc être

A c c e p t e d M a n u s c r i p t The authors thus give a progress report on the question of depression in schizophrenic old patients. The six descriptive studies studied concerning the depressive symptoms at the schizophrenic old patient show that the frequency of the depressive disorders seems more important in this group of patient than in the general population of the same age. The depressive symptoms seem to be more often associated with the positive symptoms than with the negative symptoms. It is not found of association in the studies between depressive symptoms and antipsychotic dose, negative and neurologic symptoms, and deterioration of neurocognitive functioning. We find in this category of patients some of depression's predictive variables of the old general population. The coming out of depressive disorders seems to be associated with severity of schizophrenia's disease and with bad everyday functioning.