منابع مشابه
Darwin's Body-Snatchers?
For decades creationists have claimed that Charles Darwin sought the skulls of full-blooded Aboriginal Tasmanian people when only four were left alive. It is said that Darwin letters survive which reveal this startling and distasteful truth. Tracing these claims back to their origins, however, reveals a different, if not unfamiliar story.
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Huntington's Disease (HD) is an autosomal dominant, neurodegenerative illness. It is characterized by involuntary or abnormal movements, disorganization, and depression symptoms. A clinical diagnosis of HD requires that a patient exhibit severe motor and cognitive symptoms. However, cognitive, motor, and psychiatric decline have been detected in prodromal individuals. Our goal was to identify w...
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Although multiple sclerosis (MS) has been considered a white matter disease, MS lesions are known to occur in grey matter. Recent immunohistochemical studies have demonstrated extensive grey matter demyelination in chronic MS. The most common lesion type consists of purely cortical lesions extending inward from the surface of the brain, this lesion subgroup is grossly underestimated by standard...
متن کاملDisturbed grey matter coupling in schizophrenia
In schizophrenia, grey matter deficits have been shown for many regions throughout the brain. These regions do not operate in isolation. Rather, they form a structural network of interconnected grey matter regions. To examine the mutual dependence of brain regions, this study investigated interregional coupling in lobar and regional grey matter volumes obtained from 146 schizophrenia patients a...
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An important image processing step in spinal cord magnetic resonance imaging is the ability to reliably and accurately segment grey and white matter for tissue specific analysis. There are several semi- or fully-automated segmentation methods for cervical cord cross-sectional area measurement with an excellent performance close or equal to the manual segmentation. However, grey matter segmentat...
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ژورنال
عنوان ژورنال: SA Journal of Information Management
سال: 2003
ISSN: 1560-683X,2078-1865
DOI: 10.4102/sajim.v5i3.378