Scientists just debunked a 70-year-old neuroscience myth about how your brain works

The popular notion that human decision-making is governed by a battle between an ancient "lizard brain" and a rational cortex—known as the triune brain hypothesis—is now broadly rejected by neuroscience.

Episode metadata supplied by the publisher feed · Published Aug 31, 2026

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Scientists just debunked a 70-year-old neuroscience myth about how your brain works

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