Procedures
Delta EEG Brainwave Biofeedback:
This procedure uses computerized visual and/or auditory feedback to provide the individual with information about the presence of brainwaves within the delta range (nominally 2-4 Hz). While delta waves are observed below 2 Hz, those in that range are usually greatly enhanced by body movement and are best regarded as an artifact of motion rather than as an index of deep brain relaxation and unfocused attention. Delta occurs naturally for most individuals in the first stage of deep (Stage IV) sleep before the first dream period of the night. It's absence during this time is associated with suppression of growth hormone, as in chronic fatigue syndrome. Growth hormone is necessary to repair the connective tissue in order to prevent aches and pains.
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Delta is also seen after a head injury or other insult to the brain (e.g., after a migraine headache). Suppressing delta activity through Delta Brainwave Biofeedback results in an alert brain and supports improved focus of attention.
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