Epsilon Waves (<0.5 Hz)
Associated Activity and Effects
- Extraordinary states of consciousness
- High states of meditation
- Ecstatic states of consciousness
- High-level inspiration states
- Spiritual insight
- Out-of-body experiences
K-Complex (0.8 Hz)
Associated Activity and Effects
- Information processing
- Protecting sleep
Delta Waves (0.5 - 3 HZ)
Associated Activity and Effects
- Slow-wave sleep
- Reduces cortisol
- Increases melantonin
Increased by
- Temporal lobe epilepsy
Theta Waves (4 - 7 Hz)
Associated Activity and Effects
- Idling
- Repression of behaviors
- Emotional connection
- Creativity
- Boost immune system
- Inability to focus
- Depression
- Impulsiveness
Increased by
- Music
- Playing video games
- Meditation
- Yoga
- Creative visualization
- Sleep deprivation
- Alcohol
- Hallucinogens
- Benzodiazepines (such as Valium, Diazepam, Clonazepam, etc.)
Alpha Waves (8 - 15 Hz)
Associated Activity and Effects
- Deep thought
- Relaxed
- Inhibition control
- Creativity
- Balanced mood
- Boost immune system
- Positive thinking
- Increased levels of serotonin
- Deep self-introspection
- Extrovert
- Lack of focus
- Daydreams
- Tiredness
- Lack of excitement
- Lack of visual acuity
Reduced by
- Sleep
- Open Eyes
- Drowsiness
Increased by
- Yoga
- Hot tubes
- Deep-breathing
- Meditation
- Watching TV
- Alcohol
- Marijuana
Mu Waves (7.5 – 12.5 Hz)
Associated Activity and Effects
- Resting muscles
- Body at rest
Sleep Spindle (12 - 14 Hz)
Associated Activity and Effects
- Aid in sleep
Sensorimotor Rhythm or SMR Waves (12.5 – 15.5 Hz)
Low Beta Waves or Beta 1 Power (12.5 - 16 Hz)
Medium Beta Waves or Beta 2 Power (16.5 - 20 Hz)
High Beta Waves or Beta 3 Power (20.5 - 28 Hz)
Associated Activity and Effects
- Anxiety
- Paranoia
- Active thinking
Beta Waves (16 – 31 Hz)
Associated Activity and Effects
- Active thinking
- Alert
- Busy
- Anxious
- Active concentration
- Logical thinking
- Quick thinking
- Excited feeling
- Energy
- Positive thoughts
- IQ increase
- Addiction
- Insomnia
- Increased blood pressure
- Paranoia
- Stress
- Anxiety
Increased by
- Stimulants (such as caffeine, cocaine, amphetamines, etc.)
Gamma Waves (32 – 100 Hz)
Associated Activity and Effects
- Major thinking
- Natural antidepressant
- Increased compassion
- Binds senses
- Boost memory
- Energy
- Focus
- Positive thoughts
- Anxiety
- Clear perception
Increased by
- Transcendental mental states (Tibetan Buddhist Monks)