Schizoid personality disorder

G. The fear or avoidance is not due to the direct physiological effects of a substance [e.g., a drug of abuse, a medication) or a general medical condition and is not better accounted for by another mental disorder [e.g., panic disorder with or without agoraphobia, separation anxiety disorder, body dysmorphic disorder, a pervasive developmental disorder, or schizoid personality disorder). 

Schizoid personality disorder a pattern of detachment from social relationships and a restricted range of emotional expression. 

Psychosis can also occur in what s known as schizoaffective disorder, essentially a symptom-combination of schizophrenia and bipolar disorder seen in some patients. In a recendy conceived diagnostic categorization, schizoaffective disorder is included with schizophrenia, along with related disorders such as schizotypal and schizoid personality disorders, under the umbrella term schizophrenia spectrum disorders. The lifetime prevalence of schizoaffective disorder is less than 1 percent, but the numbers are flexible, since it s often used as a preliminary... 

Cluster A Personality Disorders (Schizotypal PD, Schizoid PD, Paranoid PD). These are the odd and eccentric personality disorders. They all share certain features in common with schizophrenia, but schizotypal PD in particular appears to be most closely related to schizophrenia. The schizophrenia-like symptoms of these personality disorders (e.g., magical thinking, paranoia, social withdrawal) are less severe and generally don t impair social or employment function as severely as schizophrenia. 

The rates of the Cluster A personality disorders range from 1% to 3% of the general population. STPD appears to be somewhat more common than its counterparts. Of the three, the rate for SPD is probably the hardest to determine. Schizoid patients are least likely to seek treatment on their own, and their unobtrusive (although eccentric) life style seldom leads others to insist they seek treatment. So it is difficult to be entirely certain just how many people have schizoid personalities. 

Borderline disorders have been viewed both from a behavioral-symptomatic perspective (such as that of DSM-IV) and a theoretical perspective (for example, borderline personality organization a la Kemberg and others). As Grinker and many subsequent researchers and clinicians agree, borderline patients are not all alike they present in many different sizes and shapes. You can see borderline characteristics in the context of a number of different personality styles schizoid-detached, obsessional, paranoid, narcissistic, and histrionic. However, all varieties share a few common characteristics ... 

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