Squash and Squish The Brain-Trainer Squash designation uses 2-38 Hz, so you train down the whole band. If the brain is dominated by 23-38, for example, that frequency is most likely be be affected by the Squash, but the Squash also protects against other frequencies surging up as the high-beta goes down. The Squish is a mini-Squash. It combines 2 channels of signal at a selected frequency (23-38 is one option) and trains down the total. When we use a […]