A device sold online to stimulate brain wave activity enhances theta wave activity in the brain and boosted performance on a memory test, UC Davis neuroscientists found. (Getty Images) The entrainment ...

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 ...

The human brain is somewhat similar to a rudimentary radio with five channels. Electrical signals from neurons coordinate across the brain, generating oscillations known as brain waves. Each wave ...