The cerebellum as navigation assistant: A cognitive map enables orientation

Thursday, November 3, 2011 - 08:30 in Biology & Nature

The cerebellum is far more intensively involved in helping us navigate than previously thought. To move and learn effectively in spatial environments our brain, and particularly our hippocampus, creates a "cognitive" map of the environment. The cerebellum contributes to the creation of this map through altering the chemical communication between its neurones. If this ability is inactivated, the brain is no longer able to to create an effective spatial representation and thus navigation in an environment becomes impaired. The details of these observations were recently published in Science by the Ruhr University neuroscientist, Marion André who is a student of the International Graduate School of Neuroscience( IGSN), along with her colleagues in France.

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