[Skip to Content]
[Skip to Content Landing]
November 6, 1926


JAMA. 1926;87(19):1537-1541. doi:10.1001/jama.1926.02680190013004

Talleyrand, that clever wizard among statesmen, once said that speech was given to man to conceal his thoughts. He might well have added that mind was given to man to deceive himself, because most of us deceive ourselves about something or other almost every day of our life.

How we dote on misconceptions! As examples of misconceptions that have obtained rather wide currency among many members of the medical profession I propose to take two common notions in the field of radiology and show the small measure of basis underlying each of them.

STIMULATION  According to the Century Dictionary and Encyclopedia, the word "stimulation" means "urging, encouragement, incitement; increased or quickened action or activity"; but the word is currently employed by physiologists to express the somewhat different idea of an action producing a reaction. In physiology this concerns generally the action of some chemical or physical agent on another similar