Introduction:

• “A personality disorder is a type of mental illness in which you have trouble perceiving and relating to situations and to people — including yourself. There are many specific types of personality disorders.” (Mayo-1).
• “In general, having a personality disorder means you have a rigid and unhealthy pattern of thinking and behaving no matter what the situation. This leads to significant problems and limitations in relationships, social encounters, work and school.” (Mayo-1).

Cluster A Disorders

• “These are personality disorders characterized by odd, eccentric thinking or behavior…” (Mayo-1)
• Paranoid Personality Disorder.
• Schizoid Personality Disorder.
• Schizotypal Personality Disorder.

Cluster B Disorders

• “These are personality disorders characterized by dramatic, overly emotional thinking or behavior…” (Mayo-1)
• Antisocial (Sociopathic) Personality Disorder.
• Borderline Personality Disorder.
• Histrionic Personality Disorder.
• Narcissistic Personality Disorder.

Cluster C Disorders

• “These are personality disorders characterized by anxious, fearful thinking or behavior…” (Mayo-1)
• Avoidant Personality Disorder.
• Dependent Personality Disorder.
• Obsessive-Compulsive Personality Disorder.

Resources:

• National Center for Biotechnology Information. “Personality Disorders.” PubMed Health.
• (Mayo-1) Mayo Foundation for Medical Information and Research. “Personality Disorders.”