Corpus+Callosum

=toc Definition: = The thick band of nerve fibers that connects the two cerebral hemispheres and makes possible the transfer of information and the synchronization of activity between the hemispheres. Gen Psych, Chapter 2, p.48

= Examples: = The connection makes possible the transfer of information and the coordination of activity between the hemispheres. The right cerebral hemisphere controls movement and feeling on the left side of the body; the left hemisphere controls the right side of the body.

media type="youtube" key="4Qi5_dANWYo" height="315" width="560" Check out this video for a story about a hemispherectomy on a child who has epilepsy: Warning: very graphic towards the middle!

@http://www.youtube.com/watch?v=oSnTJnXSL9U Surgeons at the Neuroscience Institute at Le Bonheur Children's Medical Center perform a pediatric hemispherectomy. A hemispherectomy is a combination of surgical removal and disconnection of one half of the brain. The surgery is performed in children who have a damaged cerebral hemisphere causing epilepsy. In many cases, especially with children, the remaining functioning portion of the brain takes over the tasks that were previously controlled by the portion of the brain that has been removed. This often leads to increased quality of life and elimination of seizures.

@http://www.youtube.com/watch?feature=endscreen&v=0vKOQT3ouUU&NR=1  Children, who had undergone Hemispherectomy Brain Surgery came from all over America to reunite, discuss, support each other, and learn.

= Analogies: = The Corpus Callosum is like a bridge that connects the right and left hemispheres together.

= Mnemonics: = Connecting Cortex

=In the News:= Corpus Callosum Abnormalities "Patients with bipolar disorder show area reductions in the genu and isthmus subregions of the corpus callosum (CC) compared with mentally healthy controls, researchers report."

[|Interpreter In Your Head Spins] "Our left hemisphere tweaks  the facts and allows us to feel like we’re  in charge, experiments with  split-brain patients reveal. "

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