Mental illness
| Mental disorder | |
|---|---|
| Synonyms | psychiatric disorder, psychological disorder, mental illness |
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| Eight women representing prominent mental diagnoses in the 19th century at the Salpêtrière (Paris). (fr. Armand Gautier) | |
| Classification and external resources | |
| Specialty | Psychiatry |
| ICD-10 | F99 |
| ICD-9-CM | 290-319 |
| DiseasesDB | 28852 |
| MeSH | D001523 |
A mental disorder, also called a mental illness or psychiatric disorder, is a diagnosis by a mental health professional of a behavioral or mental pattern that may cause suffering or a poor ability to function in life. Such features may be persistent, relapsing and remitting, or occur as a single episode. Many disorders have been described, with signs and symptoms that vary widely between specific disorders.
The causes of mental disorders are often unclear. Theories may incorporate findings from a range of fields. Mental disorders are usually defined by a combination of how a person behaves, feels, perceives, or thinks. This may be associated with particular regions or functions of the brain, often in a social context. A mental disorder is one aspect of mental health. Cultural and religious beliefs, as well as social norms, should be taken into account when making a diagnosis.
Services are based in psychiatric hospitals or in the community, and assessments are carried out by psychiatrists, clinical psychologists, and clinical social workers, using various methods but often relying on observation and questioning. Treatments are provided by various mental health professionals. Psychotherapy and psychiatric medication are two major treatment options. Other treatments include social interventions, peer support, and self-help. In a minority of cases there might be involuntary detention or treatment. Prevention programs have been shown to reduce depression.
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