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Chemical Exploration of the Brain.

Erwin Di Cyan, PhD
Arch Intern Med. 1964;114(4):567-569. doi:10.1001/archinte.1964.03860100149033.
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A Pharmacological Approach to the Brain From Its Inner and Outer Surface. W. Feldberg, MD, FRS. Price, $4.50. Pp 128, with no illustrations. The Williams & Wilkins Co., 428 E Preston St, Baltimore 21202, 1963.

The symptoms of a disease do not often change. But the significance of a symptom may change. This is particularly striking in the psychiatric areas. For example, not too many years ago, an individual who insisted that "people have a machine and are taking down what I say" was clearly thought to be paranoid. And the "people who were doing this to me" were hidden in the most unlikely places, such as air-conditioning outlets, hotair registers, electric outlets, etc. What doubt was there that individuals making such claims were psychotic? Today, however, one cannot be so certain: while listeners may not be hiding in electric outlets, microphone and recording equipment may be hidden in the


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