Personality Disorders

Personality Disorders

Personality disorders are classified as lasting patterns of behavior manifested in thoughts, affect, interpersonal functioning, or impulse control that are different than the individual’s cultural expectations. Onset is typically in adolescence or early adulthood, patterns are often pervasive, inflexible, and maladaptive – typically leading to distress or impairment in personal and social situations. People who are diagnosed with personality disorders have often experienced emotional/physical abuse or neglect, resulting in a traumatic childhood. Personality disorders are grouped into three clusters based on similarities:

Cluster A: Odd or eccentric behavior are central themes in this group of personality disorders.

Cluster B: This cluster includes personality disorders in which dramatic and overly emotional reactions are common.

Cluster C: Anxious and fearful behavior characterize this cluster of personality disorders.

Cluster A Personality Disorders

The following are classified as Cluster A Personality Disorders because of their shared bizarre and behavioral traits, such as an inability to connect socially with others because of paranoia, impaired interpersonal understanding, and lack of desire.

Paranoid Personality Disorder

Schizotypal Personality Disorder

Schizoid Personality Disorder

Cluster B Personality Disorders

Cluster B disorders share common dramatic or erratic behavioral traits, such as inappropriate emotional responses, ranging from excessive to absent.

Antisocial Personality Disorder

Borderline Personality Disorder

Histrionic Personality Disorder

Narcissistic Personality Disorder

Cluster C Personality Disorders

Cluster C Personality Disorders are grouped together because they have maladaptive ways of dealing with abnormally high anxiety.

Avoidant Personality Disorder

Dependent Personality Disorder

Obsessive-Compulsive Personality Disorder


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