[Gerontopsychiatry--psychiatry for the aged].
The multimorbidity is increasing with high age. The number of elderly and especially of the very old is going to increase in the next decades. This leads to a necessity to introduce more profound undergraduate and postgraduate training for those who are likely to work with and care for the elderly. The following article describes in detail the most important psychiatric disturbances in the old age, their etiology--as far as we know it--, clinical picture and treatment possibilities.