PSYCH 380 Lecture Notes - Lecture 20: Avoidant Personality Disorder, Schizotypal Personality Disorder, Paranoid Personality Disorder

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Personality Disorders
Personality is a unique long-term pattern of inner experience and outward behavior
Traits may be inherited, learned or both
Personality is flexible allowing us to learn and adapt
Flexibility is missing with those with personality disorders
Personality Disorders:
Consistent, inflexible patterns of behavior
3 Ps:
Long Term, persistent, rigid, and wide-ranging pattern of inner experience and behavior that
leads to dysfunction in at least two of the following realms: cognition, emotion, social
interactions, impulsivity
DSM-5 identifies 10 personality disorders in three categories/clusters
1. Odd or eccentric behavior- paranoid, schizoid, and schizotypal
2. Dramatic, emotional, or erratic behavior- antisocial, borderline, narcissistic, histrionic
3. Anxious or fearful- avoidant, dependent, obsessive-compulsive
“Odd” Personality Disorders:
Paranoid personality disorder- Deep distrust and suspicion of others
Criteria:Suspecting others are exploiting or deceiving you
Unjustified doubts, grudges, fear of betrayal
Causes: Some biological predisposition- twin studies
Treatments: few are willing to do treatment, cognitive behavioral therapy
Schizoid Personality Disorder- Detachment from social relationships and restricted range of
M/F ratio- 2:1
Criteria: Neither desires nor enjoys close relationships
Isolation, anxious/fearful behaviors
Causes: Cognitive theorists propose
Treatment: The extreme social withdrawal prevents treatment, group therapy
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