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May 1945

STUDIES OF THE SENSATION OF VIBRATIONIII. EVIDENCE FOR CORTICAL AREAS IN INHIBITION AND MEDIATION OF TICKLE

Author Affiliations

CHICAGO

From the Department of Nervous and Mental Diseases and the Department of Surgery, Northwestern University Medical School.

Arch NeurPsych. 1945;53(5):355-357. doi:10.1001/archneurpsyc.1945.02300050029003
Abstract

In experiments on the functions of the frontal lobe, we performed a number of different examinations,1 among which was the determination of the vibratory threshold. Of 3 patients with lesions of the right frontal lobe who were examined, the results for 1 lead us to conclude that two areas are present in the cortex in the mediation of tickle: One area is the primary tickle center, and the other area inhibits this center. This peculiarity of the functions of the cortical areas involved in the perception of tickle, and the belief that tickle is not a pure sensation but is produced by a combination of sensory qualities, such as touch and pain,2 with the consequent rare examination of the patient with neurologic lesions for tickle, largely account for the fact that the areas for tickle have not been discovered before.

REPORT OF A CASE  An American-born woman, predominantly

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