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Schizoid Personality Disorder

DSM-IV Diagnostic Criteria

A pervasive pattern of social detachment with a restricted affect, beginning by early adulthood and indicated by at least four of the following:

The patient neither desires nor enjoys close relationships, including family relationship.

The patient chooses solitary activities.

The patient has little interest in having sexual experiences.

The patient takes pleasure in few activities.

The patient has no close friends or confidants except first-degree relatives

The patient is indifferent to the praise or criticism of

The patient displays emotional detachment or

Clinical Features of Schizoid Personality Disorder Scizoid

The patient appears cold and aloof; and is uninvolved in the everyday concerns of others.

The patient is subjectively and objectively emotionally blunted.

Generally these patients do not marry unless pursued aggressively by another person.

These patients are able to work only if their work allows for social isolation.

Epidemiology of Schizoid Personality Disorder

It is rare in the clinical setting.

Thought to be more common in men than schizoid women.

The disorder may be a premorbid condition in schizophrenia.

It is more common in first-degree relatives of schizophrenics.

Differential Diagnosis

Schizophrenia: Hallucinations and formal thought disorder are not seen in personality disorders. Patients with may have good work histories, whereas schizophrenic patients usually have poor work histories.

Schizotypal Personality Disorder: Eccentricities and oddities of perception, behavior and speech are not seen.

Avoidant Personality Disorder: Social isolation is subjectively unpleasant (ego-dystonic) for avoidant patients. Unlike Schizoid patients, Avoidant patients are hypersensitive to the thoughts and feelings of others.

Paranoid Personality Disorder: Although also frequently alone and emotionally constricted, paranoid patients are able to express strong emotion when schizoid personality disorder, scizoid, scitzoid