Schizotypal Personality Disorder

People with schizotypal personality disorder are loners who prefer to keep their distance from others and are uncomfortable being in relationships. They sometimes exhibit odd speech or behavior, and they have a limited or flat range of emotions. This pattern begins early in adulthood and continues throughout life.


Cluster Number:
Wiki Number: PW197
Diagnosis: Schizotypal Personality Disorder
US Patients: 3% of general population
World Patients:
Sex Ratio: Higher %s if relatives have schizophrenia
Age Onset:
Brain Area:
Symptoms: social anxieties; thought disorders, paranoia, feeling detached from self or others, psychosis (reality-unreality) unusual beliefs
Progression: fear realationships with others; some go on to full schizophrenia, social withdrawal
Causes: childhood neglect or abuse, family dysfunction, inappropriate interpretations of social cues,
Medications: traditional neuroleptics, lamotrigine, an anti-convulsant helps with social isolation

Youtube Video: What is Schizotypal Personality Disorder?

Amazon or Library Book: Schizotypal Personality Disorder Journal

Support Group: (Schizophrenia Action Alliance)

Contact your local Social Security offic efor an evaluation for possible Disability benefits through their Disability Determination Services, Section 12.08.


The world-wide medical research
reports chosen for each diagnosis 

Clicking each title opens the
PubMed article’s summary-abstract.

  • Childhood trauma and schizotypy in non-clinical samples: A systematic review and meta-analysis
    by Diamantis Toutountzidis on June 29, 2022

    The association of early life adversities and psychosis symptoms is well documented in clinical populations; however, whether this relationship also extends into subclinical psychosis remains unclear. In particular, are early life adversities associated with increased levels of schizotypal personality traits in non-clinical samples? We conducted a systematic review and meta-analysis of associations between early life adversities and psychometrically defined schizotypal traits in non-clinical...

  • Assessment of the initial period of schizotypal disorder in childhood
    by A V Goryunov on June 27, 2022

    CONCLUSION: The age of onset and duration of persistence of psychopathological disorders determines the level of negative changes that have formed at the stage of the disease preceding the onset of distinct clinical symptoms of STD. Age at onset determines the predominant positive disorder.

  • Hyperreactivity and Impaired Habituation of Startle Amplitude During Unpleasant Pictures in Borderline but not Schizotypal Personality Disorder: Quantifying Emotion Dysregulation
    by Erin A Hazlett on June 18, 2022

    CONCLUSIONS: These findings 1) indicate that abnormal processing of and habituation to unpleasant pictures is observed in BPD but not schizotypal personality disorder, suggesting that these deficits are not simply characteristics of personality disorders in general; 2) are consistent with studies showing deficient amygdala habituation to unpleasant pictures in BPD; and 3) have significant implications for clinical assessment and treatment of BPD, e.g., alternative therapies for BPD such as...

  • Predictors of personality disorders in prisoners
    by Fayegh Yousefi on June 1, 2022

    Personality disorders can lead to difficult social or occupational functional processes rooted in chronic maladaptive thoughts, feelings, and behaviors. This study aimed to investigate factors of personality disorder in prisoners from the central prison of Sanandaj, Iran. We conducted a cross-sectional study, which included all prisoners in the central prison of Sanandaj, Iran. The study sample includes 343 prisoners, of which 329 were male, and 14 were female, selected by randomized multistage...