Psychiatry

Psychiatry is the medical specialty devoted to the diagnosis, treatment, and prevention of deleterious mental conditions. These include matters related to cognition, perceptions, mood, emotion, and behavior.

In medicine, decompensation is the functional deterioration of a structure or system that had been previously working with the help of compensation. Decompensation may occur due to fatigue, stress, illness, or old age. When a system is "compensated", it is able to function despite stressors or defects. Decompensation describes an inability to compensate for these deficiencies. It is a general term commonly used in medicine to describe a variety of situations.

thumb|Telemental health session Telepsychiatry or telemental health refers to the use of telecommunications technology (mostly videoconferencing and phone calls) to deliver psychiatric care remotely for people with mental health conditions. It is a branch of telemedicine.

There are currently two widely established systems for classifying mental disorders

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health care practitioner or community services provider

philosophical questions relating to psychiatry and mental illness