Brain Waves by Tamara Emery, See Change Hypnotherapy Many of us have heard of brain waves, but how many of us actually know what they are? Well, we know that our brain contains cells, or neurons, and these neurons communicate with each other within an electrical current, which is how we think. In fact, the human brain produces enough electricity to power a lightbulb! Brain waves are the synchronised electrical pulses that the neurons send to each other to communicate and have