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Team led by 2014 Vannevar Bush Fellow Dr. Charan Ranganath Finds that Brain Wave Device Could Enhance Memory Function

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Electrical activity in the brain causes different kinds of measurable brain waves. One of these is the theta wave, which is associated with a brain actively motoring a task -like navigating a maze.  There is still debate among neuroscientists on their role and function. Some think that these waves have no role and are just a product of regular brain activity. Others, like Dr. Charan Ranganath, believe that they may play a role in coordinating brain regions. In a new study published in Cognitive Neuroscience, Dr. Ranganath and his team demonstrated a link between theta activity and episodic memory retrieval. Further, they found that a combination of sound and light to stimulate theta brain wave activity (called 'entrainment’) enhanced theta wave activity and memory performance.

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