(Note: qEEG differs from and has no direct relationship to standard neuroimaging procedures or with functional cortical brain mapping where the effects of electrical stimulation of the brain are recorded.) A search for “qEEG” with Google Images indicates that many of the test reports are very colorful. The the raw electrical measurements are then “mapped” onto a stylized picture of the head or brain with the values represented as different colors or shades of colors. It uses more surface electrodes than a standard electroencephalogram (EEG), gathering data from 24 or more areas of the brain. The qEEG procedure is also referred to as “brain mapping,” brain electrical activity mapping (BEAM,), and topographic EEG. A quantitative electroencephalogram (qEEG) is a test that analyzes the electrical activity of the brain to measure and display patterns that may correspond to diagnostic information and/or cognitive deficits.
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