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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.
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 ...
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 ]
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 also is split into two separate entities. This development added to the general appeal of split-brain research. [citation ...
In addition, the resultant split-brain prevents some patients from following verbal commands that require the use of their non-dominant hand. [14] Disconnection syndrome is another well-known side effect of the surgery. [15] This occurs due to the brain's inability to transfer information between the hemispheres. [16]
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Longitudinal callosal fascicle; M. ... Saal Bulas syndrome; Split-brain This page was last edited on 1 April 2017, at 10:11 (UTC). Text is available under the ...
Alien hand syndrome (AHS) or Dr. Strangelove syndrome [1] is a category of conditions in which a person experiences their limbs acting seemingly on their own, without conscious control over the actions. [2] There are a variety of clinical conditions that fall under this category, most commonly affecting the left hand. [3]