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Another theory links abnormal brain lateralization to the development of being left-handed which is significantly more common in those with schizophrenia. [153] This abnormal development of hemispheric asymmetry is noted in schizophrenia. [154]
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 of schizophrenia.
A third theory relating to schizophrenia is group selection theory which describes 'psychosis' alleles provide advantages to groups, outweighing any disadvantages. This theory then goes further and states that as a result of this grouping, humans that have specific genes replaced groups that lacked those genes.
Examples of psychomotor retardation include the following: [5] Unaccountable difficulty in carrying out what are usually considered "automatic" or "mundane" self care tasks for healthy people (i.e., without depressive illness) such as taking a shower, dressing, grooming, cooking, brushing teeth, and exercising.
'This will turn out to be the most important break in the disease,' the Broad Institute's director Eric Lander said.
It has been suggested that acute neuroinflammation during early fetal development may contribute to schizophrenia pathogenesis. The risk of schizophrenia is higher among those who experienced prenatal maternal viral infections like influenza, rubella, measles, and polio as well as bacterial or reproductive infections. The brain is highly ...
Evidence suggests that it is the interaction between genes and the environment may be associated with the development of schizophrenia. [2] This is a complex process involving multiple environmental factors that have influence on a range of developmental periods that interact with a genetic susceptibility. [ 7 ]
The development of the hypothesis allowed for the integration of the GABAergic and oscillatory abnormalities into the converging disease model and made it possible to discover the causes of some disruptions. [2] Like the dopamine hypothesis, the development of the glutamate hypothesis developed from the observed effects of mind-altering drugs.
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