Glossary Term

Brain Waves

Brain waves are a representation of the electrical activity going on in the brain. There a five brain wave frequencies that are used in popular science to describe different brain states:

Gamma waves

The highest frequency of brain waves. Gamma brain waves correspond to a state of increased alertness, focus, and peak concentration. The frequency per second of gamma waves is between 35-100 Hz.

Beta Waves

This frequency of brain waves corresponds to being awake, with the senses focused on the outside world. The frequency per second of beta waves is between 12-38 Hz. The higher the beta waves, the more aroused you are:

  • Low-range beta: you are awake but relaxed
  • Mid-range beta: you are vigilant and a bit aroused
  • high-range beta:  you are angry, frustrated, vigilant, in alarm mode.

Alpha waves

The frequency of brain waves that corresponds to a relaxed, almost meditative state. You are awake but not concentrated on the outside world. Your senses are not busy monitoring the environment. You are not thinking or analyzing. You are in the present moment. The frequency per second of alpha waves is 8-12 Hz.

Theta waves

The frequency of brain waves that corresponds to a deeply relaxed and meditative state. The mind is awake, but the body is drifting off to sleep. In this state, you have better access to the subconscious operation of your mind. The frequency per second of theta waves is between 3-8 Hz.

Delta waves

The frequency of brain waves that corresponds to a deep, restorative state of mind and body. The body is deeply asleep. The brain is busy processing high amounts of energy. People who have mystical experiences and feel connected to everyone and everything in the universe are usually in a state of delta brain waves. The frequency per second of delta waves is 0,5-4 Hz.

Other Glossary Terms

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