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June 23, 1962

Correction of Neurologic Data

Author Affiliations

Duke University Medical Center, Durham, N.C.

JAMA. 1962;180(12):1075. doi:10.1001/jama.1962.03050250081029

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To the Editor:—  The Journal still seems to have troubles with some of its neurologic data. I am concerned most recently and in particular by an answer in the Questions and Answers section of The Journal (179:744 [March 3] 1962) concerning a patient who complains of tearing, mainly on yawning or moving his jaw. The answer is unfortunately far from the mark in many ways. The brain stem nuclei serving salivation, and presumably also lacrimation, are in the pons, not the midbrain. I know of no sound evidence that so-called crocodile tears can result from an injury to the gasserian ganglion or its roots or divisions; to the best of my knwoledge there is little or no evidence that a lesion within the midbrain produces this curious symptom. It is ordinarily associated with some type of injury to the facial nerve in its proximal portion where it carries with

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