Alpha Waves

2 min readEvidence-linked topicGreen Medicine Encyclopedia

Also known as:  Alpha Brain Waves;  Alpha Rhythms

 

Description

Alpha Waves are a type of Brain Wave.  The frequency of Alpha Waves are 8-13 per second and their amplitude is 20-120 mV.

 

Biological Function of Alpha Waves

Alpha Waves are characterized by feelings of relaxation but without Drowsiness.

 

Nervous System

 Alpha Waves occur during periods of calm, relaxed states of Alertness (contrast with Beta Waves, which occur during periods of Alertness with high excitation such as Stress, during which Concentration ability is diminished).  [1]

 Alpha Waves are involved in Memory (and a reduction in Alpha Wave activity is associated with Age-Associated Memory Impairment (AAMI).  [2]

 

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