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Schizophrenia is a mental disorder that is expressed in abnormal mental functions, a loss of one's sense of identity and self, a compromised perception of reality, and disturbed behavior. The signs and symptoms of childhood schizophrenia are similar to those of adult-onset schizophrenia.
Schizophrenia is a mental disorder [ 17][ 7] characterized by hallucinations (typically hearing voices ), delusions, disorganized thinking and behavior, [ 10] and flat or inappropriate affect. [ 7] Symptoms develop gradually and typically begin during young adulthood and are never resolved. [ 3][ 10] There is no objective diagnostic test ...
Risk factors of schizophrenia. Schizophrenia is a neurodevelopmental disorder with no precise or single cause. Schizophrenia is thought to arise from multiple mechanisms and complex gene–environment interactions with vulnerability factors. [ 1][ 2] Risk factors of schizophrenia have been identified and include genetic factors, environmental ...
Schizophrenia is diagnosed 1.4 times more frequently in males than females, and typically appears earlier in men [ 7] —the peak ages of onset are 20–28 years for males and 26–32 years for females. [ 9] Onset in childhood, before the age of 13 can sometimes occur. [ 10][ 11] A later onset can occur between the ages of 40 and 60, known as ...
The causes of schizophrenia that underlie the development of schizophrenia, a psychiatric disorder, are complex and not clearly understood. A number of hypotheses including the dopamine hypothesis, and the glutamate hypothesis have been put forward in an attempt to explain the link between altered brain function and the symptoms and development ...
Schizophreniform disorder is a mental disorder diagnosed when symptoms of schizophrenia are present for a significant portion of time (at least a month), but signs of disturbance are not present for the full six months required for the diagnosis of schizophrenia. The symptoms of both disorders can include delusions, hallucinations, disorganized ...
Mental illnesses have risk factors, for instance including unequal parental treatment, adverse life events and drug use in depression, migration and discrimination, childhood trauma, loss or separation in families, and cannabis use in schizophrenia and psychosis, and parenting factors, child abuse, family history (e.g. of anxiety), and ...
Simple-type schizophrenia is a sub-type of schizophrenia included in the International Classification of Diseases , [1] in which it is classified as a mental and behaviour disorder. [2] It is not included in the current Diagnostic and Statistical Manual of Mental Disorders ( DSM-5 ) or the upcoming ICD-11 , [ 3 ] effective 1 January 2022. [ 4 ]