EEG Frequencies

EEG Frequency

(via http://neurosky.com/2015/05/greek-alphabet-soup-making-sense-of-eeg-bands/)

Gamma Waves

  • Too much: Anxiety, high arousal, stress
  • Too little: ADHD, depression, learning disabilities
  • Optimal: Binding senses, cognition, information processing, learning, perception, REM sleep

Beta Waves

  • Too much: Adrenaline, anxiety, high arousal, inability to relax, stress
  • Too little: ADHD, daydreaming, depression, poor cognition
  • Optimal: Conscious focus, memory, problem solving

Alpha Waves

  • Too much: Daydreaming, inability to focus, too relaxed
  • Too little: Anxiety, high stress, insomnia, OCD
  • Optimal: Relaxation

Theta Waves

  • Too much: ADHD, depression, hyperactivity, impulsivity, inattentiveness
  • Too little: Anxiety, poor emotional awareness, stress
  • Optimal: Creativity, emotional connection, intuition, relaxation

Delta Waves

  • Too much: Brain injuries, learning problems, inability to think, severe ADHD
  • Too little: Inability to rejuvenate body, inability to revitalize the brain, poor sleep
  • Optimal: Immune system, natural healing, restorative / deep sleep