grasp reflex

an involuntary grasping by an individual of anything that touches the palm. This reflex is typical of infants, but in older individuals, it may be a sign of frontal lobe damage or disease.

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Psychology term of the day

February 25th 2025

essential tremor

trembling of the hands, head, or voice that appears to be hereditary. It is the most common type of movement disorder and is thought to be a benign condition, although its etiology and neurological substrates remain unclear. Also called familial tremor.