Personality disorders are inflexible maladaptive behavior patterns that impair functioning and relationships. The document defines and describes several personality disorders including:
1. Paranoid personality disorder characterized by distrust and suspiciousness of others.
2. Schizoid personality disorder characterized by detachment from relationships and restricted emotions.
3. Schizotypal personality disorder characterized by odd thinking, behavior, and severe discomfort with others.
It provides diagnostic criteria and discusses predisposing factors for each disorder. Personality disorders are long-lasting patterns that cause significant impairment but the individual remains in touch with reality.