Brain Waves and Beta Buzz: The Wild Story of Neural Oscillations

What are brain waves?  It’s no wonder the term sounds like science fiction.  In the 1920s, a German psychiatrist embarked on a highly personal quest to discover the supposed medium of telepathy.  By placing electrodes on the human scalp, Hans Berger found waves of electrical brain activity using a tool called electroencephalography, or EEG.  Physicists had recently shown that electromagnetic waves could propagate through space to carry information.  If the brain had its own waves, could they transmit thoughts to others like a radio broadcast?Continue reading