Reference Terms
from Wikipedia, the free encyclopedia

Personality disorder

Personality disorders form a class of mental disorders that are characterized by long-lasting rigid patterns of thought and behaviour.

Because of the inflexibility and pervasiveness of these patterns, they can cause serious problems and impairment of functioning for the persons who are afflicted with these disorders.

Note:   The above text is excerpted from the Wikipedia article "Personality disorder", which has been released under the GNU Free Documentation License.
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