Abstract

Neuropsychiatry and quantitative EEG in the 21st Century

Author(s): Robert W Thatcher

The human brain weighs approximately 3 lbs and consumes 40–60% of blood glucose. This disproportionate amount of energy is used to create electricity in approximately 100 billion interconnected neurons. Quantitative EEG is a real-time movie of the electrical activity of the preconscious and conscious mind at frequencies of approximately 1–300 Hz. Numerous studies have cross-validated electrical neuroimaging by structural MRI, functional MRI and diffusion spectral imaging and thereby demonstrated how quantitative EEG can aid in linking a patient’s symptoms and complaints to functional specialization in the brain.


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