February 1989

The Art of Turf Creation

Author Affiliations

Department of Psychiatry New York University Medical Center 550 First Ave New York, NY 10016

Arch Gen Psychiatry. 1989;46(2):191-192. doi:10.1001/archpsyc.1989.01810020093016

To the Editor.—  In a letter to the editor, Dr Nuwer1 expressed his concerns and those of the American Electroencephalographic Society (AEEGS) about several issues. Reservations were voiced about whether the clinical use of the so-called quantitative electroencephalogram (EEG) is warranted for the care or diagnosis of individual patients with dyslexia, dementia, depression, schizophrenia, and posttraumatic disorders. Opinions were expressed that the application of quantitative EEG is of limited or even of doubtful value in psychiatric populations and is adjunctive to conventional EEG, and that there is no justification for stand-alone, computer-based clinical EEG analysis. It was asserted that competence in the interpretation of a conventional EEG is a prerequisite for the interpretation of a quantitative EEG. A number of issues were also raised about technical problems, artifacts, effects of age, and statistical assumptions. These issues were cited as further compelling reasons why quantitative analyses can only proceed as

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