disorders in which conscious awarness becomes separated (dissociated) from previous memories, thoughts, and feelings
dissociative identity disorder
a rare dissociativie disorder in which a person exhibits two or more distinct and alternating personalities. also called multiple personality disorders
mood disorders
psychological disorders characterized by emotional extremes.
major depressive disorder
a mood disorder in which a person, for no apparent reason, experiences two or more weeks of depressed moods, feelings of worthlessness, and diminished interest or pleasure in most activities
mania
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bipolar disorder
a mood disorder in which the person alternates between the hopelessness and lethargy of depression and the overexcited state of mania
schizophrenia
a group of severe disorders characterized by disorganized and delusional thinking, disturbed perceptions, and inappropriate emotions and actions
delusions
false beliefs, often of persecution or grandeur, that may accompany psychotic disorders
personality disorders
psychological disorders characterized by inflexible and enduring behavior patterns that impair social functioning
antisocial personality disorder
a personality disorder in which the person (usually a man) exhibits a lack of conscience for wrong-doing, even towards friends and family members. may be aggressive and ruthless or a clever con artist.