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Superfast Brain Circuit Slams the Brakes on Movement

A new UCSF study of patients with Parkinson’s disease has revealed a pathway that transmits signals very rapidly between two parts of the human brain to govern the complex act of halting a motion once it’s been initiated.

neuron_cells.jpg

Long-Term Learning Requires New Nerve Insulation

For a conditioned response to become long-lasting requires brain cells to increase amounts of an insulating material called myelin, which may serve to reinforce and stabilize newly formed neural connections.

Microscopic image of myelin