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    • Jan 23

Heroes have bigger amygdalae!

Sixty Minutes had an interesting story last night about researchers who used fMRI techniques to measure brain activity of people who responded "heroically" in crisis situations. Turns out they tend to have amygdalae larger than average humans! Here's the story: https://www.cbsnews.com/video/andrew-carnegie-hero-fund-commission-60-minutes-video-2023-01-22/?adobe_mc=TS%3D1674435322%7CMCMID%3D75455330816119198287527672950045914211%7CMCORGID%3D10D31225525FF5790A490D4D%40AdobeOrg .

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Special thanks to Katie Zhang for sharing this Wikipedia link that traces the origin of this effect to Wolfgang Köhler in 1929. Here's the link: https://en.wikipedia.org/wiki/Bouba/kiki_effect and ref

When did brains appear in the animal kingdom? New evidence suggest very early in the Cambrian period in little creatures called Cardiodictyon. Here's the story: https://mindmatters.ai/2022/12/earliest

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