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According to others, 'schizophrenia' names a culturally determined clustering of mental symptoms. [5] What is known for sure is that by the turn of the 20th century the old concept of insanity had become fragmented into 'diseases' (psychoses) [ 6 ] such as paranoia, dementia praecox , manic-depressive insanity and epilepsy ( Emil Kraepelin 's ...
Cognitive symptoms of schizophrenia involve disturbances in executive functions, working memory impairment, and inability to sustain attention. [1] Given the high numbers of individuals diagnosed with schizophrenia (nearly 1% of modern-day populations), it is unlikely that the disorder has arisen solely from random mutations. [2]
Instead of viewing schizophrenia as a by-product of brain evolution, one model presents schizophrenia to be one extreme of a sexually selected fitness indicator. [26] This model hypothesizes schizophrenia to be a side effect in sexual selection for certain traits. Sexual selection concerns the mating choices of humans and other animals.
'This will turn out to be the most important break in the disease,' the Broad Institute's director Eric Lander said.
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.
Schizophrenia is a mental disorder characterized by significant alterations in perception, thoughts, mood, and behavior. [34] Symptoms are described in terms of positive, negative, and cognitive symptoms. [3] [35] The positive symptoms of schizophrenia are the same for any psychosis and are sometimes referred to as psychotic symptoms. These may ...
Apulian pottery depicting Lycrugus of Thrace, an ancient Greek king driven mad by Dionysus [1]. Mental illness in ancient Rome was recognized in law as an issue of mental competence, and was diagnosed and treated in terms of ancient medical knowledge and philosophy, primarily Greek in origin, while at the same time popularly thought to have been caused by divine punishment, demonic spirits, or ...
In the study researchers examined hundreds of post-mortem specimen brains donated to the Lieber Institute from more than 350 people, some with schizophrenia and others without psychiatric illness.
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related to: where did schizophrenia originate from map of texas images and symptoms