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There is no universally accepted classification of psychodermatological disease, but this slideshow serves as a general overview of these disorders.

Despite its occurrence in up to 3.4% of adults, hair–pulling disorder or trichotillomania (TTM) is often under-diagnosed and inappropriately treated, according to a panel of experts presenting at the recent APA meeting.

Skin diseases are not just a cosmetic issue; they are associated with a variety of psychological reactions that affect patients’ level of functioning and can produce agony for the family.

Here, Dr Jon E. Grant talks about the genetics, neurobiology, and cognitive processes of body-focused repetitive behaviors, which include trichotillomania, skin picking, and other behaviors.

In essence, screen media constitute neurologically potent, arousing input to the developing brain. Unlike conventional toxins, their effects are mediated by sense organs. However, they have demonstrable effects on brain activity, and on behavior and function.

DSM-IV-TR, our current diagnostic classification system of psychiatric disorders, follows the diagnostic paradigm first established by DSM-III in 1980.

Impulsivity and compulsivity are natural behaviors controlled by brain mechanisms that are essential for survival in all species. Understanding these brain mechanisms may lead to targeted treatment strategies for these symptom domains when impulsivity and compulsivity become dysfunctional.


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