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Study shows how thumbs helped shape the brain
NBC News Clone summarizes the latest on: Study Shows How Thumbs Helped Shape The Brain 246647877505 - Breaking News | NBC News Clone. This article is rewritten and presented in a simplified tone for a better reader experience.
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A new study out of the U.K. lays out how thumbs helped shape brain development in humans and other primates. Scientists found a link between thumb size and the size of the neocortex which is involved in higher-order brain functions, which they say suggests that thumbs are linked to "thinking and not movement."Sept. 4, 2025
