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Quantitative EEG or QEEG Evaluations
QEEG evaluations make use of QEEG brainmapping to image and help define brain
dysfunctions and injuries. Quantitative electroencephalograms, QEEGs, are different
from standard EEGs in that they provide a map of the brain's electrical output - the
brainwaves - which are then compared with normative databases, allowing for a much
finer level of analysis than simple EEGs. A QEEG helps to determine the frequencies of
the disruptive brainwaves, the number of cycles per second they oscillate at, and their
locations, so that we can see what is interfering with optimal brain function (see sample
report). The resulting map of the brain with the patterns and frequencies of brainwaves,
along with measures of how different areas of the brain are communicating with each
other reveals important patterns that can indicate different forms of ADHD and help to
predict how they will respond to medications; seizure disorders, patterns related to
emotional dysregulation and impulse control, other patterns related to anxiety,
depression, OCD, learning disabilities, trauma from strokes or accidents, etc.
The QEEG is then used to design state-of-the-art training for neurofeedback treatments
based on the specific findings of how that individual's brain is functioning and needs to
change. Often slow brainwave activity in an area of the brain has to be trained down,
while at other times or in other areas of the brain it may be fast wave activity that is
dysregulated. The neurofeedback training takes these differences into account and
teaches the brain what to do differently whether it is suppressing slow wave activity or
amplifying fast wave activity or communicating better between areas of the brain
through other forms of neurofeedback training.
The actual QEEG reading, where a cap with 20 sensors is fitted over the person's hair to
pick up and record the EEG, takes approximately 1.5-2 hours. The technical component
is done by Dr. Edwards and then the data is sent to a board certified neurologist who
specializes in reading QEEGs for the final report.
Transform Your Mind, Transform Your Life
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© copyright 2006 L. Edwards