A personality disorder characterized by:
- Pervasive, unwarranted suspiciousness and distrust (ex. expectation of trickery or harm, over-concern with hidden motives and meanings)
- Hypersensitivity (ex. being easily slighted or offended, readiness to counterattack)
- Restricted affectivity (ex. emotional coldness, no true sense of humor)
-  Offended easily
- Excludes psychotic symptoms, including paranoid delusions and hallucinations

Paranoid Personality Disorder

A personality disorder characterized by:
- Long-term emotional coldness
- Absence of tender feelings for others
- Lack of desire for and enjoyment of close relationships
- Indifference to praise or criticism and to the feelings of others
- Symptoms not a result of schizophrenia or other psychotic disorders

Schizoid Personality Disorder

A personality disorder characterized by: 
- Various oddities of thought, perception, speech, and behavior that are not severe enough to warrant a diagnosis of schizophrenia

Symptoms may include:
- Perceptual distortions
- Magical thinking
- Social isolation 
- Vague speech without incoherence
- Inadequate rapport with others due to aloofness or lack of feeling
- Symptoms not because of schizophrenia, other psychotic disorder, or ASD

Schizotypal Personality Disorder

- Paranoid personality disorder
- Schizoid personality disorder
- Schizotypal personality disorder

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New York University

The newest section of the DSM-5 outlines 6 main personality disorders (schizotypal, antisocial, borderline, narcissistic, avoidant, and obsessive–compulsive personality disorder) that come from the 10 disorders (paranoid, schizoid, schizotypal, antisocial, borderline, histrionic, narcissistic, avoidant, dependent and obsessive–compulsive personality disorder) described in the traditional section.

Main Personality Disorders

American Psychological Association. (n.d.). Clinical psychology. American Psychological Association. https://www.apa.org/ed/graduate/specialize/clinical 

American Psychological Association: Clinical Psychology

Spielman, R. M., Jenkins, W. J., & Lovett, M. D. (2020, April 22). Psychology (2nd ed.). OpenStax. https://openstax.org/books/psychology-2e/pages/1-introduction

OpenStax Psychology (2nd ed.) Textbook

Cluster A Personality Disorders:

- Antisocial personality disorder
- Borderline personality disorder
- Histrionic personality disorder
- Narcissistic personality disorder

Cluster B Personality Disorders

- Avoidant personality disorder
- Dependent personality disorder
- Obsessive-compulsive personality disorder

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