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Physical disorder, as a medical term, is poorly defined, and typically used in contrast to a mental disorder or a genetic disorder. The term mental disorder is heavily used in psychiatric medicine , and is defined in some psychiatric medicine texts, most notably the Diagnostic and Statistical Manual of Mental Disorders (DSM). [ 1 ]
Classified as a "conversion disorder" by the DSM-IV, a psychogenic disease is a condition in which mental stressors cause physical symptoms matching other disorders. The manifestation of physical symptoms without biologically identifiable cause results from disruptions in normal brain function due to psychological stress.
Medically unexplained physical symptoms (MUPS or MUS) are symptoms for which a treating physician or other healthcare providers have found no medical cause, or whose cause remains contested. [1] In its strictest sense, the term simply means that the cause for the symptoms is unknown or disputed—there is no scientific consensus .
A functional symptom is a medical symptom with no known physical cause. [1] In other words, there is no structural or pathologically defined disease to explain the symptom. The use of the term 'functional symptom' does not assume psychogenesis, only that the body is not functioning as expected
A physical disability is a limitation on a person's physical functioning, mobility, dexterity or stamina. [1] Other physical disabilities include impairments which limit other facets of daily living , such as respiratory disorders , blindness , epilepsy [ 2 ] and sleep disorders .
It can cause a visible slowing of physical and emotional reactions, including speech and affect. [ 1 ] Psychomotor retardation is most commonly seen in people with major depression and in the depressed phase of bipolar disorder ; [ 2 ] it is also associated with the adverse effects of certain drugs, such as benzodiazepines . [ 3 ]
Abnormal psychology is the branch of psychology that studies unusual patterns of behavior, emotion, and thought, which could possibly be understood as a mental disorder. Although many behaviors could be considered as abnormal , this branch of psychology typically deals with behavior in a clinical context.
Some disorders may be very limited in their functional effects, while others may involve substantial disability and support needs. In this context, the terms psychiatric disability and psychological disability are sometimes used instead of mental disorder. [2] [3] The degree of ability or disability may vary over time and across different life ...