- A pervasive pattern of detachment from social relationships and a restricted range of expression of emotions in interpersonal settings, beginning by early adulthood and present in a variety of contexts, as indicated by four (or more) of the following:
- neither desires nor enjoys close relationships, including being part of a family
- almost always chooses solitary activities
- has little, if any, interest in having sexual experiences with another person
- takes pleasure in few, if any, activities
- lacks close friends or confidants other than first-degree relatives
- appears indifferent to the praise or criticism of others
- shows emotional coldness, detachment, or flattened affectivity
- Does not occur exclusively during the course of Schizophrenia, a Mood Disorder With Psychotic Features, another Psychotic Disorder, or a Pervasive Developmental Disorder and is not due to the direct physiological effects of a general medical condition.
Note: If criteria are met prior to the onset of Schizophrenia, add "Premorbid," e.g., "Schizoid Personality Disorder (Premorbid)."
- Odd/Eccentric/Suspicious Personality
Delusional Disorder; Schizophrenia; and Mood Disorder With Psychotic Features; Autistic Disorder; Asperger's Disorder; Personality Change Due to a General Medical Condition; symptoms that may develop in association with chronic substance use; Schizotypal Personality Disorder; Paranoid Personality Disorder; Avoidant Personality Disorder; Obsessive-Compulsive Personality Disorder.