Schizotypal Personality Disorder

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Psychotic disorders are a group of syndromes characterized by positive symptoms, including hallucinations, delusions, and thought disorder; and negative symptoms, including mood symptoms, social withdrawal, and reduced motivation. Cognitive deficits also appear with psychotic disorders. Psychotic disorders rank 22nd in the World Health Organization's list of worldwide causes of disability. This ranking is adjusted for the relatively low lifetime prevalence rate for psychosis; the perceived burden of the disease on those affected with psychotic disorders, as well as their relatives and caregivers, is much higher.

DSM-IV-TR emphasizes that patients with borderline personality disorder (BPD) show a "instability of interpersonal relationships, self-image, and affects, and marked impulsivity beginning by early adulthood and present in a variety of contexts," and any five out of nine listed criteria must be present for the diagnosis to be made.

Because personality is shaped by experiences during childhood and adolescence, it is likely that mental disorders occurring during these years may have an influence on personality development.

Although several clinical studies suggest that cognitive impairments in schizophrenia are associated with reduced stimulation of dopamine receptors in the prefrontal cortex, mounting evidence suggests that other monoaminergic neurotransmitter systems may also be involved. We provide an overview of neurotransmitters that hold promise as therapeutic interventions for the cognitive deficit in schizophrenia.

There has been a significant shift from the view that personality disorder is untreatable; we do have treatments that have at least some efficacy and one of these is psychoanalytic psychotherapy. Evidence from randomized trials has shown that it is effective in treating borderline personality disorder, and follow-up studies confirm that the gains are robust.

Borderline personality disorder is a complex, disabling disorder. The chairperson for the American Psychiatric Association workgroup for the evidence-based practice guideline on its treatment gives an overview of this disorder's etiologies, neurobiology, longitudinal course and recommended treatments. Future directions for both treatments and research are also discussed.

Deficient omega-3 fatty acids can result in myriad pathological changes including altering the central nervous system. Their balance or imbalance changes receptor function, prostaglandin and cytokine production. Understanding the roles of these essential fatty acids is vital to remedying the fatty acid abnormalities found in a number of psychiatric disorders.

Neurofeedback, also called electroencephalogram (EEG) biofeedback or neurotherapy, is an adjunctive treatment used for psychiatric conditions such as attention-deficit/hyperactivity disorder, generalized anxiety disorder, posttraumatic stress disorder, phobic disorder, obsessive-compulsive disorder, bipolar disorder, depression and affective disorders, autism, and addictive disorders (Moore, 2000; Rosenfeld, 2000; Trudeau, 2000).

At stake is whether the laws defining sanity can actually distinguish between those individuals who are evil and those who are mentally ill, and what role psychiatrists should play when the legal definitions make the difference between life and death. Also under the microscope is the value of forensic psychiatric testimony itself, and whether the message about mental illness is getting through to juries, judges and appellate justices.

Attention-deficit/hyperactivity disorder (ADHD) in adults is a common-and, frequently undiagnosed-psychiatric disorder. This article will focus on the symptoms, associated features, diagnosis, differential diagnosis, prevalence, etiology and treatment of this illness.

Personality disorders are characterized by the presence of inflexible and maladaptive patterns of perceiving oneself and relating to the environment that result in psychosocial impairment or subjective distress. The enduring nature of the behaviors, their impact on social functioning, the lack of clear boundaries between normality and illness, and the patient's perception of the symptoms as not being foreign make this group of conditions more difficult to conceptualize than the more typical, episodic mental disorders.