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TexasTowelie

(123,063 posts) Thu Sep 4, 2025, 12:58 AM Sep 4

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 4 OP

Hmmmm. Gonna have to cogitate on that one a bit stopdiggin Sep 4 #1

No, I haven't been that observant of koalas. nt TexasTowelie Sep 4 #2

stopdiggin

(14,414 posts)

1. Hmmmm. Gonna have to cogitate on that one a bit

Reply to TexasTowelie (Original post)

Thu Sep 4, 2025, 01:53 AM

Sep 4

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

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

TexasTowelie

(123,063 posts)

2. No, I haven't been that observant of koalas. nt

Reply to stopdiggin (Reply #1)

Thu Sep 4, 2025, 01:56 AM

Sep 4

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