When recorded EEG activity from a multi-electrode recording is processed using a computer, it is called Quantitative Electroencephalography (or qEEG). In this multi-channel EEG, data is processed with various algorithms, statistically analyzed, sometimes comparing values with “normative” database reference values. The processed EEG is converted into color maps of brain functioning called “Brain maps”. Experts use the EEG and the derived qEEG information as clinical tools to evaluate brain function and to track changes in the brain function, especially during neurofeedback or medication.

Procedure in a qEEG

Patients have to go through a procedure before they can take qEEG. Preparations include:

Having a good night sleep before the evaluation and eating a healthy meal that includes protein prior to arrival at the office.
Washing hair several times with a PH neutral shampoo
Ensuring no use of conditioners or hair treatments.
Completing a list of questionnaires to identify the areas of the brain that causes concern.

During the evaluations an EEG tracks and records brain wave patterns. The electrodes record the electrical impulses in the brain and send the signals to a computer that processes the results. A cap containing sensors is placed on the head during this non-invasive test. It will read the electrical output of the brain. These brain waves are recorded in three conditions: eyes opened, eyes closed and during the task.

Uses of a qEEG

qEEG helps mental health experts to determine the areas of brains that are engaged and processing efficiently. The results from a qEEG are useful in guiding various forms of treatment, including neurofeedback, biofeedback, diet, medication and life style interventions.

Different qEEG Categories

qEEG spectral variables that are of clinical value for treatment purposes appear in three categories. These variables, which are presented in the qEEG/Brain map analysis, are:

Power/amplitude
Coherence and/or phase
Derived ratios of amplitude and/or coherence and/or phase

Neurofeedback training will involve at least one and often a combination of approaches to address these variables.

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Why RHS?

RHS is a group of dedicated mental health specialists working in the Tri-cities and Bellevue area of Washington State. We use cutting edge and latest equipment to help with individuals mental and behavioral issues. Providing the most comprehensive neurodevelopment and psychological evaluation along with an integrated remediation/therapy program has been our goal since inception. We ensure 360o mental care for each of our patients.