Congenital blindness is protective for schizophrenia and other psychotic illness. A whole-population study.

Congenital/early blindness is reportedly protective against schizophrenia. Using a whole-population cohort of 467,945 children born in Western Australia between 1980 and 2001, we examined prevalence of schizophrenia and psychotic illness in individuals with congenital/early blindness. Overall, 1870 children developed schizophrenia (0.4%) while 9120 developed a psychotic illness (1.9%). None of the 66 children with cortical blindness developed schizophrenia or psychotic illness. Eight of the 613 children with peripheral blindness developed a psychotic illness other than schizophrenia and fewer had developed schizophrenia.
Source: Schizophrenia Research - Category: Psychiatry Authors: Tags: Letter to the Editor Source Type: research

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Source: BPS RESEARCH DIGEST - Category: Psychiatry & Psychology Authors: Tags: Brain Perception Source Type: blogs
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Source: Schizophrenia Bulletin - Category: Psychiatry Source Type: research
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Source: - Category: Medical Ethics Authors: Tags: Genetics Health Care Ethics and Hate syndicated Source Type: blogs
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Source: Fight Aging! - Category: Research Authors: Tags: Newsletters Source Type: blogs
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Source: PEDIATRICS - Category: Pediatrics Authors: Tags: Developmental/Behavioral Pediatrics, Children With Special Health Care Needs Article Source Type: research
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Publication date: 23 March 2016 Source:Neuroscience Letters, Volume 617 Author(s): Evelina Leivada The absence of co-occurrence of schizophrenia with congenital/early blindness (CB) has led to the claim that CB confers protection against schizophrenia. It has recently been shown that the protective effects are particularly reinforced in cases of CB of cortical origin, since cases of CB of peripheral origin and schizophrenia in fact exist. The present work shows that the protection extends to psychosis more broadly and describes the brain basis of the protective mechanism and its relation to the language faculty and the ...
Source: Neuroscience Letters - Category: Neuroscience Source Type: research
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Source: Science - The Huffington Post - Category: Science Source Type: news
Conclusions The better capacity of the patients to shift their eyes toward changes confirmed the capture by the sudden irruption of visual information in schizophrenia while avoiding the effects of general attentional deficits. However, the striking dissociation between this implicit response and the capacity to explicitly report changes could be interpreted as a deficit in access to conscious perception.
Source: Neuropsychologia - Category: Neurology Source Type: research
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