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This page explains what is meant by a psychiatric diagnosis, methods for making diag-noses, and aspects of diagnostic reliability, validity, and utility. Psychiatric and somatic comorbidities are elucidated.
Source: Anne Farmer, Peter McGuffin, Julie Williams. Measuring Psychopathology. Oxford Univer-sity Press 2002.
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Many structured diagnostic interviews have been tested over the years. The first was the Present State Examination (PSE) in Great Britain in the 1950s that was integrated into the Schedules for Clinical Assessment in Neuropsychiatry.
Source: Mario Incayawar, Ronald Wintrob, Lise Bouchard, Goffredo Bartocci (eds.). Psychiatrists and Traditional Healers. Unwitting Partners in Global Mental Health. Wiley-Blackwell, 2009.
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Psychosis, a syndrome with many causes, traditionally refers to an impaired ability to distinguish between false and real perceptions and beliefs. Schizophrenia is the prototypical psychotic disorder.
Source: Akiskal HS: The prevalent clinical spectrum of bipolar disorders: beyond DSM-IV. J Clin Psychopharmacol 16:4S-14S, 1996.
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The clinical presentation is identical to schizophrenia, however impairment in function is not a requirement. The required duration of symptoms is of at least a month but less than 6 months.
Source: Akiskal HS, Pinto O: The evolving bipolar spectrum. Prototypes I, II, III, and IV. Psychiatr Clin North Am 22:517-534, vii, 1999.


Psychiatry - Diagnosis & Classification

Psychiatry - Diagnosis & Classification

The page "Diagnosis & Classification" explains what is meant by a psychiatric diagnosis, methods for making diag-noses, and aspects of diagnostic reliability, validity, and utility. Psychiatric and somatic comorbidities are elucidated.

Psychotic Disorders

Brain Anatomy - Human Brain Development - cortical brain

Psychosis, a syndrome with many causes, traditionally refers to an impaired ability to distinguish between false and real perceptions and beliefs. Schizophrenia is the prototypical psychotic disorder. The most common psychotic symptoms are positive symptoms such as abnormal perceptions (including illusions and hallucinations), false beliefs....full story

Psychopharmacology

psychopharmacology

The use of psychotropic medicines to treat psychiatric illness has increased dramatically in recent times. Although the biological etiologies of most psychiatric disorders are still unclear, effective pharmacological treatments have been developed over the past 50 years that have become part of the standard of care in the treatment of most major psychiatric disorders....full story

Forensic Psychiatry

Forensic-Psychiatry

Originally forensic psychiatrists were part of an obscure and small group of "alienists" who were dedicated to the study of mental conditions and their treatment among prisoners. At present they form part of an established and recognized group of super-specialists who have made deep incursions into the workings of the law and are transforming the practice of psychiatry.... full story

Mood-Disorders & Pathogenesis

Mood Disorders & Pathogenesis

Today most mood disorders experts agree that mood disorders have both endogenous and exogenous components and in most patients they are both present. full story


Somatoform & Dissociative Disorders

somatoform dissociative disorders

The somatoform disorders have in common the "repeated presentation of physical symptoms, together with persistent requests for medical investigations, in spite of repeated negative findings and reassurances by doctors that the symptoms have no physical basis" (World Health Organization, 1992).... full story

Image Of The Week

pathogenesis full The pathogenesis of a disease is the biological mechanism (or mechanisms) that leads to the diseased state. The term can also describe the origin and development of the disease, and whether it is acute, chronic, or recurrent. The word comes from the Greek pathos ("disease") and genesis ("creation").

Personality&Eating Disorders & Bulimia Nervosa

Personality&Eating Disorders

Treating psychopathology requires an understanding of personality. Research on the DSM and ICD disorders is making it increasingly clear that....full story

Binge Eating Disorder & Disorders of Childhood And Adolescence

Binge Eating Disorders of childhood and Adolescence

Binge eating disorder (BED) is characterized by repeated, persistent episodes of binge eating in the absence of the inappropriate compensatory behaviors seen in BN. According to DSM-IV diagnostic criteria....full story