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Many theories have been proposed including the combination of genetic and environmental factors may lead to deficits in the neural circuits that affect sensory input and cognitive functions. [5] A genetic predisposition on its own, without superimposed environmental risk factors, is not thought to give rise to schizophrenia.
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.
The causes of schizophrenia may include genetic and environmental factors. [7] Genetic factors include a variety of common and rare genetic variants . [ 21 ] Possible environmental factors include being raised in a city , childhood adversity, cannabis use during adolescence, infections, the age of a person's mother or father , and poor ...
Schizophrenia is a debilitating and often misunderstood disorder that affects up to 1% of the world's population. [1] Although schizophrenia is a heavily studied disorder, it has remained largely impervious to scientific understanding; epigenetics offers a new avenue for research, understanding, and treatment.
Clinical heterogeneity refers to when a single cause can lead to more than one clinical syndrome. [7] Several genetic risk factors have been found with the endophenotypes of psychiatric disorders, rather than with the diagnoses themselves. That is, the risk factors are associated with particular symptoms, not with the overall diagnosis. [1]
Polimeni and Reiss' group selection hypothesis of schizophrenia emphasizes the shamanism, or shaman-like behaviors, arguing that there is a need to consider the genetic root of such behaviors. [2] One related hypothesis argues that schizophrenia helps maintain charismatic leaders who utilize symptoms, such as paranoia and delusions, to create ...
Because of such factors, dyslexia is recognized as the most common of all learning disabilities. Quality tips: Talking about anxiety and depression with older loved ones can be hard. Here's how to ...
The implication of genetics in psychiatric illnesses is not unique to schizophrenia, though the heritability of schizophrenia has been calculated as high as 80%. [10] The continued research of the family following the discovery of the translocation yielded statistical analysis of the probability of observing the simultaneous occurrence, or co-inheritance, of psychological conditions and the ...
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