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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.
The males (all infants) had partial corpus callosum agenesis, severe intellectual disabilities, developmental delays, and epilepsy. The disorder first manifested right after birth, with recurrent seizures occurring hours after it. Out of these 5 babies, 3 had died. Post-mortem examination of one of the dead infants revealed chemical and ...
This happens as a result of partial or complete absence of the corpus callosum. Corpus callosum is the band of white matter connecting the two cerebral hemispheres. The corpus callosum plays an extremely important role in interhemispheric communication, thus lack of or absence of these neural fibers results in a number of disabilities. [12]
Aicardi syndrome is a rare genetic malformation syndrome characterized by the partial or complete absence of a key structure in the brain called the corpus callosum, the presence of retinal lacunes, and epileptic seizures in the form of infantile spasms. [2] Other malformations of the brain and skeleton may also occur.
In addition to agenesis of the corpus callosum, similar conditions are hypogenesis (partial formation), dysgenesis (malformation), and hypoplasia (underdevelopment, including too thin). Other studies have also linked possible correlations between corpus callosum malformation and autism spectrum disorders. [32] [33]
Agenesis of the corpus callosum that can either be complete or partial; Polysyndactyly, preaxial type; Hand/foot syndactyly; Pearl-white areas in the skin that are prone to scarring and suffer from atrophy; Eye, cheek, and limb hair growth abnormalities; Iris coloboma; Microphthalmia; Congenital short gut; Intestinal malrotation; Dysmotility ...
Andermann syndrome, also known as agenesis of corpus callosum with neuronopathy (ACCPN), Charlevoix disease and KCC3 axonopathy among other names, [1] is a very rare neurodegenerative genetic disorder that damages the nerves used to control muscles and related to sensation and is often associated with agenesis of the corpus callosum. [1] [2] [3 ...
Other examples include commissurotomy, the surgical cutting of cerebral commissures to treat epilepsy and callosal agenesis which is when individuals are born without a corpus callosum. Those with callosal agenesis can still perform interhemispheric comparisons of visual and tactile information but with deficits in processing complex ...