Brain Mapping Helps Us Learn To Treat Despression

Neuroscientists are working extremely hard on "brain mapping" to learn ever more

about how the chemistry of the human brain works and to put that understanding to use in treating emotional and functional conditions which, up to now, have been just untreatable.

One of several tools in development is the somewhat new practice of "brain mapping". This is the common phrase put to use to describe what is recognized officially as "Quantitative EEG", or "QEEG". In the simplest terms, QEEG refers to a thorough evaluation of the bandwidth from the electrical currents inside brain as are measured by an EEG machine.

The information produced are employed to develop computer generated color coded maps of the electrical currents in the cerebral cortex. The colors produced are compared to a scale used in identifying possible trouble places.

In the same manner as some other tests calculate the flow of blood within the brain, a QEEG measures electrical activity. Science has shown that quick discovery of even very minor disruptions, or changes, in the flow and connectivity of electric activity are frequently early forewarning signs of developing issues. So QEEG is most frequently applied to study brainwave rhythms to determine if a patient can be a good prospect for Neurofeedback which is a group of treatments designed to restore regular brainwave activity.

Outcomes of a QEEG are compared with a database of many hundreds of human brain mapping outcomes coming from people without brain abnormalities. Any kind of change from this "normative database" is then scored on a scale of -3 to 3 and is colour coded for quick identification on the brain map.

It is essential to note that, as with any medical test, the outcomes need to be properly assessed by a trained individual. Simply because a brain map is computer generated, it truly is vunerable to what is known as "artifacts" which are data that are produced by something other than the brain itself for example muscle contraction or erroneous positioning of the recording electrode. QEEG tests are most frequently given in a medical environment, whether hospital, or a Neurologist's business office and can cost several thousands of dollars.

The QEEG is but one part of a general assessment of brain activity and framework. By itself, a QEEG doesn't identify emotional problems in real terms. , A QEEG is precise at locating and identifying problem locations but cannot distinguish how serious a problem might be.

At least one company, HeartMath LLC, has modified this know-how for personal use. Known as the "emwave", it calculates the electromechanical signals generated by the brain and the heart muscle to give a visual statement on existing amounts of mental or actual physical stress. Utilizing an LED readout, these devices gives positive visible information on a person's efforts to ease discomfort. Priced very reasonably at less than $200, this unit delivers immediate, personal bio-feedback at a fraction of the expense of a full QEEG.

by: Jennifer W.

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