On the threshold of eternity. In 1890, Vincent van Gogh painted this picture often interpreted as symbolizing the despair felt in depression. Van Gogh himself suffered from depression and committed suicide the same year.
This classification has some sort of historical basis, but the distinction is hardly used nowadays. The endogenous depression is characterized by pain latent moral contrast with emotional numbing (also called emotional anesthesia) outside for a pessimism, a marked inhibition, auto devaluation themes and ideas of self-accusation delusions of ruin, disaster, incurable, insomnia with early awakening, anorexia with weight loss, disgust of life inaccessible to any argument. The fluctuation of symptoms during the day is special in endogenous depression: a very strong wake up (morning), they tend to fade late in the day. Overall, the melancholic is disregarding the pathological aspect of his condition and refused any medical use, unnecessary. Form unipolar and bipolar depression: endogenous depression is often an expression of bipolar disorder (formerly called “manic-depressive”). It was initially well defined, tends to be divided into categories because of the evolutionary aspects, family history and therapeutic responses to the same unequal treatment. The form consists of bipolar depression and access to episodes of euphoric excitement, separated by a gap. The pole shape is in turn defined by the repetitive occurrence of one type of access generally depressed.
There are also secondary depression due to drugs, organic disease, psychiatric disease, or depression or alexithymia involution.