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From the Desk of Chauncey DeVega

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If you ever took a college course that began with the prefix neuro-, then you know about the corpus collosum, which is the band of nerves that serves as the main connection between the two hemispheres of the brain. In neurolinguistics, the corpus collosum is a popular subject for undergraduates, because severing it creates the opportunity for stupid neurolinguistic party tricks, e.g.:

Split-brain patients (those who have had their corpus callosum severed) provide evidence for language lateralization. If an object is placed in the left hand of split-brain patient whose vision is cut off, the person cannot name the object, but will know how to use it. The information is sent to the right side of the brain, but cannot be relayed to the left side for linguistic naming. However, if the object is........

© National Review

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