What are the characteristics of patients with depression?

Depression is a kind of mood disorder characterized by depression. The main symptoms are "three lows" and physical symptoms. Three lows refer to depression, mental retardation and decreased will activity:

1, in the performance of depression, patients feel pessimistic, disappointed or sad, or lack of interest and unhappiness.

2, the performance of slow thinking is that I often feel slow to respond, always feel that my brain seems to be rusty, and some people complain that I can't remember anything and talk less.

3. The decline of will activity is mainly manifested in unwillingness to do anything, lack of motivation and desire, unwillingness to participate in social activities, unwillingness to do sanitation, and even unwillingness to go to work. Common physical symptoms include sleep disorder, loss of appetite or weight loss. Patients with severe depression may have negative suicidal thoughts or even suicidal behaviors, and some severe patients may have psychotic symptoms, hallucinations or delusions.