This year is the centennial anniversary of German psychiatrist Hans Berger's invention of electroencephalography (EEG), a way to record electrical activity in the brain, now called brainwaves or ...

Adjusting a specific deep-brain circuit's firing frequency immediately and dramatically alters rats' forebrain activity and alertness levels, Stanford University School of Medicine investigators have ...

Theta waves are one of the five types of electrical pulses your brain produces. They tend to happen when you’re lightly sleeping, dreaming, or in a state of deep relaxation. Experts believe they play ...