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The International Classification of Diseases classifies delusional disorder as a mental and behavioural disorder. [16] Diagnosis of a specific type of delusional disorder can sometimes be made based on the content of the delusions, to wit, the Diagnostic and Statistical Manual of Mental Disorders (DSM) enumerates seven types:
Schizophrenia is a mental disorder [17] [7] characterized variously by hallucinations (typically, hearing voices), delusions, disorganized thinking and behavior, [10] and flat or inappropriate affect. [7]
Paraphrenia is often associated with a physical change in the brain, such as a tumor, stroke, ventricular enlargement, or neurodegenerative process. [4] Research that reviewed the relationship between organic brain lesions and the development of delusions suggested that "brain lesions which lead to subcortical dysfunction could produce delusions when elaborated by an intact cortex".
[8] [9] 6 March 1963: "Psychotic Conditions: Paranoid Schizophrenia" featured a person with paranoid schizophrenia who has resumed normal employment after overcoming that condition. [10] [11] 20 March 1963: "The Compulsive Car Thief" featured a young adult who is serving a prison sentence for car thefts, a practice which began at age ten. [12] [13]
In object relations theory, the paranoid-schizoid position is a state of mind of children, from birth to four or six months of age. Melanie Klein [ 2 ] has described the earliest stages of infantile psychic life in terms of a successful completion of development through certain positions .
In the mid-1900s, Kurt Schneider classified thought broadcasting as typical of schizophrenia, encompassing it as a first-rank symptom along with 7 others. From then, the delusion has been incorporated into the Diagnostic and Statistical Manual of Mental Disorders (DSM-5) and the International Classification of Diseases (ICD-11) diagnostic ...
Paranoid personality disorder (PPD) is a mental disorder characterized by paranoia, and a pervasive, long-standing suspiciousness and generalized mistrust of others. People with this personality disorder may be hypersensitive, easily insulted, and habitually relate to the world by vigilant scanning of the environment for clues or suggestions that may validate their fears or biases.
The result means that, of these, 21 will not be identified as having schizophrenia by use of FRS (43% of 48). Then, of the 52 people really without schizophrenia, 10 may be incorrectly diagnosed with schizophrenia by the FRS. Diagnosis of schizophrenia from other types of psychosis Sensitivity 58.0 (50.3, 65.3) Specificity 74.7 (85.2, 82.3)