By using the brain tapping method, the frequency-following response is activated.
Donovan explained that head-bobbing motions that are incited by listening to music are an example of the frequency-following response in action.
“If the exercise doesn’t work as you hoped it would in the first go, don’t worry,” added Donovan. “Sometimes it takes a few tries to get used to the exercise.”
Detailing his first experience using the method, Donovan said: “I sat on the edge of my bed, and brought my hands to my lap and began doing my drumming exercise on my legs, very lightly.
“At first, nothing happened. But after four minutes of persistence, I noticed my eyelids starting to get heavy.