grasp reflex


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grasp reflex

n.
An involuntary bending of the fingers in response to tactile stimulation of the palm, producing an uncontrollable grasp and associated in adults with injury of the frontal lobe of the brain.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
We're all born with the primitive palmar grasp reflex. It appears as early as 16 weeks in the womb and lasts until five or six months of age.
Her grasp reflex was present in all four extremities and her sucking reflex was weak.
The palmar grasp reflex is elicited by toughing the ulnar aspect of the palm, and all fingers should close tightly.
The crawling, stepping, Moro's, rooting, startle, sucking, and palmar grasp reflex noted.