Functions of Brain Waves

Delta waves (0.5-4 Hz)

• Function: associated with deep sleep and physical regeneration.

• Excess: lethargy and difficulty concentrating.

• Deficiency: sleep disorders and difficulty recovering.

Theta waves (4-8 Hz)

• Function: linked to deep relaxation, creativity and introspection.

• Excess: distraction, fatigue, difficulty focusing.

• Deficiency: stress, inability to relax, poor creativity.

Alpha waves (8-12 Hz)

• Function: a state of calm alertness and balance between mind and body.

• Excess: excessive calm, lack of motivation.

• Deficiency: anxiety, tension, chronic stress.

SMR waves (12-15 Hz)

• Function: mental stability, motor control, relaxed concentration.

• Excess: apathy and drowsiness.

• Deficiency: hyperactivity, poor motor control.

Beta waves (15-35 Hz)

• Function: alertness, concentration and problem-solving.

• Excess: stress, anxiety, mental overload.

• Deficiency: poor concentration, cognitive slowness.

Gamma waves (>35 Hz)

• Function: advanced learning, sensory integration, awareness.

• Excess: overstimulation, mental stress.

• Deficiency: learning difficulties, poor integration of thoughts and sensations.