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Answers Quote by David Eagleman

“When one part of the brain makes a choice, other parts can quickly invent a story to explain why. If you show the command "Walk" to the right hemisphere (the one without language), the patient will get up and start walking. If you stop him and ask why he's leaving, his left hemisphere, cooking up…” quote by David Eagleman
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“When one part of the brain makes a choice, other parts can quickly invent a story to explain why. If you show the command "Walk" to the right hemisphere (the one without language), the patient will get up and start walking. If you stop him and ask why he's leaving, his left hemisphere, cooking up an answer, will say something like "I was going to get a drink of water."”

David Eagleman

About This Quote

Source Interview: The Brain: The Story of You, 2015

Different brain regions create narratives to justify actions, often after the decision is made.

In simple terms: The brain invents reasons after acting.

Key Takeaway

Question your automatic justifications.

Themes

cognition neuroscience self-awareness bias

Mood

curious thoughtful

Type

educational philosophical

When to use this quote

  • making decisions
  • explaining behavior
  • self-reflection

Key Concepts

post-hoc rationalization dual-process theory

Questions to Reflect On

  • Why do we rationalize choices?
  • How can we recognize false narratives?
A Different Perspective

Your brain may mislead you with plausible but false reasons.

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