Auditory Driving of the Autonomic Nervous System: Listening to Theta-frequency Binaural Beats post-exercise Increases Parasympathetic Activation and Sympathetic Withdrawal.

http://www.ncbi.nlm.nih.gov/pubmed/25452734 Abstract Binaural beats are an auditory illusion perceived when two or more pure tones of similar frequencies are presented dichotically through stereo headphones. Although this phenomenon is thought to facilitate state...