a "harmful dysfunction" in which behavior is judged to be atypical, disturbing, maladaptive, and unjustifiable
the concept that diseases have physical causes that can be diagnosed, treated, and, in most cases, cured. When applied to psychological disorders, the medical model assumes that these mental illnesses can be diagnosed on the basis of their symptoms and cured through therapy, which may include treatment in a psychiatric hospital.
a contemporary perspective which assumes that biological, psychological, and sociocultural factors combine and interact to produce psychological disorders
the American Psychiatric Association's Diagnostic and Statistical Manual of Mental Disorders, a widely used system for classifying psychological disorders
psychological disorders characterized by distressing, persistent anxiety or maladaptive behaviors that reduce anxiety
generalized anxiety disorder
an anxiety disorder characterized by chronic free-floating anxiety and such symptoms as tension or sweating or trembling of light-headedness or irritability etc that has lasted for more than six months
an anxiety disorder marked by unpredictable minutes-long episodes of intense dread in which a person experiences terror and accompanying chest pain, choking, or other frightening sensations
an anxiety disorder marked by a persistent, irrational fear and avoidance of a specific object or situation
An anxiety disorder characterized by unwanted repetitive thoughts (obsession) and/ or actions (compulsions).
disorders in which conscious awareness becomes separated (dissociated) from previous memories, thoughts, and feelings
dissociative identity disorder
a rare dissociative disorder in which a person exhibits two or more distinct and alternating personalities. Also called multiple personality disorder.
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 wrongdoing, even toward friends and family members; may be aggressive and ruthless or a clever con artist
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 diminishes interest or pleasure in most activities
A mood disorder marked by a hyperactive, wildly optimistic state
a mood disorder in which the person alternates between the hopelessness and lethargy of depression and the overexcited state of mania
a group of severe disorders characterized by disorganized and delusional thinking, disturbed perceptions, and inappropriate emotions and actions
false beliefs, often of persecution or grandeur, that may accompany psychotic disorders