grasp reflex

(redirected from grasping reflex)
Also found in: Medical.

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.
References in periodicals archive ?
Examination for newborn reflexes showed that mororeflex in the right arm and grasping reflex in the right hand were absent.
After six hours, Moro reflex was weak but grasping reflex was normal and Erb's palsy, which wasn't present on initial exami- nation was detected.
The following reflex tests were assessed in all pups from each litter: surface righting reflex (a normal ventral position assumed after the animal is placed on its back, observed for 15 s, postnatal days 2 to 7), negative geotaxis (to turn at least 90, after being placed face-down in a platform inclined at 45; the maximum time allowed for the pup to turn was 30 s, PD 7 to PD 12), and grasping reflex (registering the day of absence of involuntary bending of the fingers in response to tactile stimulation on the palm, PD2 to PD12).