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Amplitude and Z-Score Neurofeedback
Amplitude and Z-score Neurofeedback training has been around for some decades (see Dr. Joseph Kamiya and Dr. Barry Sterman). It works by seeking to reward or reinforce certain brainwave frequencies while inhibiting others in order to reach optimal brain functioning. Researchers continued to explore the use of Amplitude and Z-score Neurofeedback neurofeedback training for a variety of disorders.
Many practitioners conduct an inital QEEG assessment (a brain map) prior to starting training. A QEEG involves a mapping of the brain activity using a multi electrode cap. The resulting analyzed EEG data is compared to the results of a population ‘norm’ to determine a treatment plan. Excessive frequencies at sites of the brain are trained down while those frequencies that are deficit can be trained up resulting in regulated brainwaves.
The training process for the client involves being attached to an amplifier via a cap or individual leads held in place on the scalp with a water soluable conductive paste. The amplifier is connected to a computer and a monitor. The practitioner can see the brainwaves in their screen. The client will watch a video and in some cases play a game. The feedback is usually visual (+/- auditory). A screen of a video with change colour or size in response to brainwaves being within or ourside the required ranges. Games may be slowed down or sped up to ‘train the brain’ to perform within the desired frequencies and/or amplitudes.
Amplitude and Z-score Neurofeedback training are among the most available of the neurofeedback therapies in Australia and available at the clinic either as a therapy on its own or combined with neuromodulation/neurostimualtion.
