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TexasTowelie

(128,150 posts)
Thu Sep 4, 2025, 12:58 AM Sep 2025

Study shows how thumbs helped shape the brain - NBC News



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."
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Study shows how thumbs helped shape the brain - NBC News (Original Post) TexasTowelie Sep 2025 OP
Hmmmm. Gonna have to cogitate on that one a bit stopdiggin Sep 2025 #1
No, I haven't been that observant of koalas. nt TexasTowelie Sep 2025 #2

stopdiggin

(15,639 posts)
1. Hmmmm. Gonna have to cogitate on that one a bit
Thu Sep 4, 2025, 01:53 AM
Sep 2025

Interesting ... But I'm kinda' thinking a good bit of conjecture ....

(incidentally have you seen the construction of a koala's hand/paw ? fearsome !! )

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