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Marc R. Nuwer, MD, PhD

Arch Neurol. 1989;46(10):1134-1136.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

Brain mapping is a term now often applied to specific computer-based electroencephalographic (EEG) techniques, especially EEG and evoked potential topographic mapping and frequency analysis. Several types of color displays are available. Patient EEG data can be compared digitally to a normative database. About a dozen vendors offer commercial equipment to perform such tests, and between 300 and 500 units are in use in the United States.

The reading of routine EEGs has required substantial training and experience. Color-coded EEG topographic maps might present EEG information in a more understandable way, especially for persons unfamiliar with interpreting routine EEGs. Unfortunately, a substantial number of technical and clinical problems interfere with such a simple clinical application.¹ These problems can easily mislead interpretations, sometimes in subtle ways. References are often active. Traditional EEG artifacts can appear in unusual and surprising ways, and new artifacts can be caused by the processing . . . [Full Text PDF of this Article]

Author Affiliations

Footnotes

Reprint requests to Department of Neurology, UCLA School of Medicine, Reed Neurological Research Center, 710 Westwood Plaza, Los Angeles, CA 90024 (Dr Nuwer).

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