(1941). Neural Maturation as Exemplified in the Reaching-Prehensile Behavior of the Human Infant. The Journal of Psychology: Vol. 11, No. 1, pp. 127-141.
No takes yet. Share an insight, caveat, or question.
Myrtle B. McGraw (1941) studied this question.
Synapse has enriched one closely related paper. Consider it for comparative context: