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August 1934


Author Affiliations

From the Psychobiological Laboratory, Phipps Psychiatric Clinic, Johns Hopkins Hospital.

Am J Dis Child. 1934;48(2):327-332. doi:10.1001/archpedi.1934.01960150086006

The grasp reflex has received considerable attention from neurologists in recent years, particularly in relation to the localization of tumors in the frontal lobe. Knowledge, however, is still limited regarding the exact areas in the brain responsible for the mechanism, and the significance of its appearance in the adult is unknown. It is generally agreed that more light may be thrown on the grasping response seen under pathologic conditions in adults by a thorough investigation of the grasp reflex of the new-born. For this reason several neurologists have recently made studies of this phenomenon in very young children. Most recently, Sittig1 (1933) and Brain and Curran2 (1931) extended the investigation to include a study of the grasp response of the feet. Their work was concerned largely with the percentages of infants showing the reflex, the age incidence and a correlation of its disappearance with the development of some

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