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Callosal syndrome, or split-brain, is an example of a disconnection syndrome from damage to the corpus callosum between the two hemispheres of the brain. Disconnection syndrome can also lead to aphasia, left-sided apraxia, and tactile aphasia, among other symptoms. Other types of disconnection syndrome include conduction aphasia (lesion of the ...
Split-brain or callosal syndrome is a type of disconnection syndrome when the corpus callosum connecting the two hemispheres of the brain is severed to some degree. It is an association of symptoms produced by disruption of, or interference with, the connection between the hemispheres of the brain.
The corpus callosum (Latin for "tough body"), also callosal commissure, is a wide, thick nerve tract, consisting of a flat bundle of commissural fibers, beneath the cerebral cortex in the brain. The corpus callosum is only found in placental mammals . [ 1 ]
A 24-year-old woman in China was found to be completely without a cerebellum. Beneath the brain's two hemispheres rests the cerebellum, a small but powerful mass of tissue that houses about 50 ...
The syndrome usually affects women around the age of 18 years, with female to male ratio of cases of 2:1. William F. Hoyt was the first to call the syndrome Susac syndrome and later Robert Daroff asked Dr. Susac to write an editorial in Neurology about the disorder and to use the eponym of Susac syndrome in the title, forever linking this ...
When scientists first started observing the alien hand syndrome in split-brain patients, they began to question the nature of consciousness and began to theorize that perhaps when the corpus callosum is cut, consciousness is also split into two separate entities. This development added to the general appeal of split-brain research. [citation ...
Agenesis of the corpus callosum (ACC) is a rare birth defect in which there is a complete or partial absence of the corpus callosum.It occurs when the development of the corpus callosum, the band of white matter connecting the two hemispheres in the brain, in the embryo is disrupted.
Sonja Rasmussen, M.D., professor of genetic medicine at the Johns Hopkins University School of Medicine, explains how Down syndrome and mosaic Down syndrome differ. “Typically, we all have 46 ...