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2. Absence, at any time, of any symptoms referred to in G1 in F20.0 - F20.3 [13] and of hallucinations or well formed delusions of any kind, i.e. the subject must never have met the criteria for any other type of schizophrenia, or any other psychotic disorder. 3. Absence of evidence of dementia or any other organic mental disorder.
Sub-classifications of Schizophrenia ICD-10 Description DSM-IV-TR Equivalent Paranoid (F20.0 Delusions and hallucinations are present but thought disorder, disorganized behavior, and affective flattening are not prominent. Paranoid type (295.3) Hebephrenic (F20.1) Thought disorder and flat affect are present together. Disorganized type (295.1)
One of the symptoms needs to be either delusions, hallucinations, or disorganized speech. A second symptom could be one of the negative symptoms, or severely disorganized or catatonic behaviour. [10] A different diagnosis of schizophreniform disorder can be made before the six months needed for the diagnosis of schizophrenia. [10]
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".
Brief psychotic disorder—according to the classifications of mental disorders DSM-IV-TR and DSM-5—is a psychotic condition involving the sudden onset of at least one psychotic symptom (such as disorganized thought/speech, delusions, hallucinations, or grossly disorganized or catatonic behavior) lasting 1 day to 1 month, often accompanied by emotional turmoil.
Such delusions of negation are usually found in schizophrenia. Although a diagnosis of Cotard's syndrome does not require the patient to have had hallucinations, the strong delusions of negation are comparable to those found in schizophrenic patients. [9] [10]
Disorganized schizophrenia, or hebephrenia, is an obsolete term for a subtype of schizophrenia.It is no longer recognized as a separate condition, following the publication of the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition in 2013, which dropped the concept of subtypes of schizophrenia, and global adoption of the eleventh revision of the International Classification ...
Auditory hallucinations have two essential components: audibility and alienation. [7] This differentiates it from thought insertion. While auditory hallucination does share the experience of alienation (patients cannot recognize that the thoughts they are having are self-generated), thought insertion lacks the audibility component (experiencing the thoughts as occurring outside of their mind ...