Most Replayed Moment: The 4 Personalities Living In Your Brain! How To Switch Between Them

Jun 19, 2026 · 26 min

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EP · The Diary Of A CEO with Steven Bartlett · Most Replayed Moment: The 4 Personalities Living In Your Brain! How To Switch Between Them25:43

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0:00So you said there's four personalities in everybody's brain.

0:08What are those four personalities?

0:09As we're looking at the brain, just from an anatomical perspective.

0:16The way evolution happens for the mammalian brain is that there are creatures who have

0:22a spinal cord and then there are creatures like that like worms and then a little brain,

0:29a little modula will form at the top of that tissue and then now that brain controls and

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0:34streamlines information processing to the rest of the system.

0:38And then we add a ponds, it's just a structure of cells.

0:42So this is the modula.

0:44We would have spinal cord there and this is the ponds, well it's the ponds, it's a

0:48gripe of cells.

0:49Yeah, it's a smaller bread.

0:50And in relationship to that ponds is this cerebellum and the cerebellum has this gorgeous

0:56cell and it's called the pergenji cell and they're like a hand, they're like two dimensional

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