Cerebellum More Involved In Cognition Than Previously Believed

Rick Schumann writes about the findings of a new study published in the journal Neuron: A team of neuroscientists from Washington University in St. Louis, performing fMRI tests on 10 people to quantify the various connections between the cerebellum and the rest of the brain, are now being led to believe that the cerebellum actually plays a role in conscious thought, whereas previously it was believed it was only involved in sensory-motor function. What they found is that it appears that only 20 percent of the cerebellum was dedicated to physical motion, while the other 80 percent serves as an 'editor' of the conscious thought process, refining and filtering thoughts in a sort of background process. This discovery may lead to changes in the way psychiatric patients are treated for disorders like schizophrenia, depression, and obsessive-compulsive behaviors.

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