Key, overarching idea of the book: Our brain... - Deepstash

Key, overarching idea of the book:

Our brain is 'driven' by 2 different parts: System 1 & System 2. 

System 1 can assess a situation and choose a response very quickly. It controls most of what we do, and is like the line-workers and middle management of our body & brain.

System 2 is slower, more deliberate, and -- most crucially -- it's very lazy. It rarely engages unless it has to.

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DANIEL KAHNEMAN

“Nothing in life is as important as you think it is, while you are thinking about it”

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Main cause of biased judgment

Your mind likes the feeling of coherence and sentiment of habit, of déjà-vu. 

From an evolutionnary point of view, Sapiens needs to have a construction of reality clear. 

  • Do you have to treat with this plant ? No, you recognize those red berries that causes flu.

D. Kahnemann calls this process the System 1. This is a cognitive agent which is trying to explain all of you hear, see and feel by a causal link.

A first way to improve your critical mind is to admit that chance, at least multiple causes make events happen. 

  • Explain that WW2 is caused by the madness of Hitler is simple, not accurate.

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Our brains have two "systems" that complement eachother, with their own capabilities, limitations and functions.

  • System One is fast, automated and precise, but can be easily tricked and has a small working window.
  • System Two is slower, can make complex thoughts achieved in a specific algorithm and takes control over it's brother when he needs to with it's long but limited attention buffer.

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