Social isolation is the cardinal feature of schizoid personality disorder.

Question

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Social isolation and limited affectivity are the two main features of schizoid personality disorder. People with this disorder generally have little interest in forming close relationships with others and may prefer to spend time alone with solitary activities. They may lack the social skills needed to engage in meaningful relationships and may not experience pleasure from social interactions.

Social Isolation Is the Cardinal Feature of Schizoid Personality Disorder