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Richard Mayeux, MD; Yaakov Stern, PhD
Neurological Institute 710 W 168th St New York, NY 10032

Arch Neurol. 1987;44(2):129-130.

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

To the Editor.

—Despite controversy, the concept of subcortical dementia is endorsed by many, and enjoys much space in the literature. The remarkable fact is that only a few investigations have ever examined the issue,^1,2 even though it is the topic of numerous reviews^3-7 and a single report.⁸ As Mark Twain⁹ once wrote, "There is something fascinating about science. One gets such wholesome returns of conjecture out of such a trifling investment of fact."

The article by Huber et al² is an improvement over the usual description of subcortical dementia in a single disease with speculation about its probable difference from other diseases with dementia. Unfortunately, this study also has its problems. Most obvious is the failure to equate severity of dementia in the two patient groups (dementia of the Alzheimer type [DAT] and Parkinson's disease [PD]) before analysis of the neuropsychological test performance. The . . . [Full Text PDF of this Article]

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