The classification of depression emphasizes recurrent depressive disorder with recurrent depressive episodes .
In the classification of depression, chronic mood disorders, or persistent mood disorders, namely dysthymia, are also distinguished .
For dysthymia is characterized by chronic depressed mood on against – a several year, the severity or duration of episodes is not sufficient for the diagnosis of “recurrent disorder.”
Cyclothymia, usually occurs in the age of 15-25 years is longer, a “soft” form of bipolar depression in which mood is constantly changing from a mild form of mania to pro – the phenomenon of mild depression, and vice versa. With cyclothymia, attacks are short – only a few days – and irregular.
In addition, disorders include depressive spectrum and various – nye adjustment disorder, as well as depressive disorders behavior – Nia, starting in childhood and adolescence .
It must be said that many of the conditions that could be attributed to manifestations of neurotic depression, now, according to international – Noah classification transferred to a separate “rank” neurotic races – stroystv. Russian researchers see this as an unjustified narrowing of the diagnostic scope of depression .
In general, the same domestic taxonomy based on traditional, proven wealth of experience Classification of Diseases, identifies the pre – zhde all endogenous, that is, internal and exogenous, that is, the external character of these disorders.
At present, in most countries, however, have refused these terms, due to their vagueness. Indeed, what is meant by the word “endogenous” – hereditary burden, neuroendocrine disorders, metabolic changes or immune changes.
By endogenous form usually refers depression in schizophrenia , bi – polar, unipolar recurrent and also involutional (that is, related to the age of the organism) depression.
By exogenous form, caused by external factors attributed de – press neurotic, reactive, and also asthenic, that is connected – hydrochloric a neuropsychiatric body weakness, caused by various factors, including nutritional deficiencies, overwork, etc.
Intermediate between exogenous and psychogenic forms of knitting – Mali called dysthymia endoreaktivnye – protracted depression, at the first stages of which the main role played by external factors – of, stressful, and to follow – is endogenous, internal – set.
Isolated as Somatogenic depression caused by organic disorders in the body and various diseases – cardiovascular zabole – vaniyami, trauma, epilepsy, dementia , intoxication, infections and internal diseases.