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Look Again

Tali Sharot•2024

  1. Chappy's Book Notes•337 books

Look Again

Tali Sharot•2024

Length
6h 30m•~288 pages
Read
Feb 28th - Mar 1st '24
Cognitive PsychologyHabits & BiasesSociology
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The summary and key takeaways below are auto-generated. I ran an AI pass based strictly on my handwritten notes for this book. I haven't done my own pass over them yet.

I read a book once and take handwritten notes as I go, then leave them alone. Weeks or months later I come back and write the key points and summary from those notes.

The delay is on purpose. Having to rebuild a book out of my own notes does far more for my recall than a second read-through would.

This one has only gotten as far as the AI pass. I'll come back and redo the takeaways and summary myself soon!

Summary

Key Quotes

Pleasure results from incomplete and intermittent satisfaction of desires

It's hard to know what's good and bad without having a sense of the alternatives

Habituation is the invisible force shaping everything — happiness, creativity, risk perception, lying, and social progress. Pleasure results from incomplete and intermittent satisfaction of desires: breaks increase enjoyment, joy peaks 43 hours into a vacation, and experiences beat materialism because they resist habituation. The same mechanism that makes good things fade makes bad things bearable — depression is the inability to habituate to intrusive thoughts, while exposure therapy works because the brain can learn to adjust. Dangerously, we habituate to lying (the brain literally becomes less sensitive), misinformation (repetition → familiarity → truth), risk (false Bayesian updating), and environmental degradation (the boiling frog). The antidote is disruption: change stimuli, simulate alternatives, and break the chains of low expectations.

“Everything in existence takes its color from the average hue of our surroundings”

Key Takeaways

  • Pleasure comes from incomplete, intermittent satisfaction — not constant access
  • Joy peaks 43 hours into a vacation; experiences beat materialism because they resist habituation
  • Bad things: do with no interruptions; good things: take breaks to reset the pleasure signal
  • Change increases creativity and flexible thinking
  • Slow habituation — being exposed gradually — preserves the sense of novelty that drives innovation
  • Unhappiest in 40s and 50s due to lack of change; learning and progress are forms of change
  • Neural response to dishonesty literally diminishes with repetition
  • Beta blockers make people 2x more likely to lie or cheat
  • Trump habituated lying nationwide: 'acceptable to exaggerate' went from 44% to 66%
  • Illusory truth effect: repetition → familiarity → perceived truth
  • Neural processing is reduced for repeated stimuli — the brain stops checking
  • Even being explicitly told information is false is not enough to counteract the effect
  • Risk habituation: false Bayesian updating makes repeated dangers feel safe
  • Brain filters out background stimuli — pollution, noise, climate change fade from awareness
  • To alter risk perception: change up the stimulus; simulate negative outcomes
  • Breaking chains of low expectations requires deliberate exposure to alternatives
  • Negative prediction error (gap between expectations and outcome) drives unhappiness — but also progress
  • Dopamine signals surprises, both good and bad — it's the currency of change
  • HG Wells

Notes

1: Wellbeing

1: Happiness

  • “Pleasure results from incomplete and intermittent satisfaction of desires”
  • Breaks increase enjoyment
  • Emotional habituation → desire for change
    • Innovation, art, etc.
  • Learning, progress is change
  • Unhappiest in 40s, 50s: to lack of change
  • Experiences > materialism
  • Explore vs exploit

2: Variety

  • Joy of receiving vs giving $5 for 5 days:
    • 7/10, diminishes 1/2 as much giving
  • Generally, people make fewer changes than they should. If split, make the change
    • Bad things: do with no interruptions
    • Good things: take breaks
  • Joy peaks 43h into a vacation

3: Social media

  • No social media = $30k ↑ in happiness
  • Social media misconfigures expectations

4: Resilience

  • Depression: inability to let go of obtrusive thoughts
  • Takes 2y to adapt to major event (divorce)
  • Adjustment disorder:
  • Schizophrenia: brain never adjusts to stimuli
  • Exposure therapy: controlled exposure

2: Thinking and believing

5: Creativity

  • Change ↑ creativity, flexible thinking
  • Slow habituation increases creativity

6: Lying

  • Brain habituates to lying
  • Beta blockers → 2x likely to lie / cheat
  • Trump is habituating lying nationwide
    • Acceptable to exaggerate: 44 → 66%

7: Misinformation

  • Illusory truth effect: repetition → familiarity → truth
  • Meta-cognitive myopia: blind to history surrounding data (eg. Trump lies)
    • Don’t repeat falsehoods
  • Neural processing is reduced to repeated stimuli
  • Misinformation escalation
  • Even being explicitly told information is false is not enough

3: Health and safety

8: Risk

  • Risk habituation: false Bayes’ theorem
  • To alter risk perception: change up stimulus
  • Simulation of negative outcomes helps

9: Environment

  • We habituate to pollution of all types
  • Brain filters out background stimuli
  • Boiling frog effect for climate change
  • IFR vs VFR

4: Society

10: Progress

  • Breaking the chains of low expectations
  • Negative prediction error: gap between expectations and outcome → unhappiness
    • Women’s freedom → unhappiness
  • Dopamine: signals good and bad surprises
  • Preference falsification: live false beliefs
    • Leads to large scale movements
    • Dishabituation entrepreneurs

11: Discrimination

  • VR can allow being in other’s shoes (race)
  • AI bias

12: Tyranny

  • Fascism is a movement of the masses
  • ^ preference falsification
  • Continual habituation to slow change
  • Shock experiment: obedience, habituation

13: Law

  • Putting a price on pain?
  • Hedonic damages: pay for lost happiness
  • Study: amputation → no loss in happiness
  • Focusing illusion: perceive more importance when focusing on something
    • Eg. California vs Ohio weather

14: Experiments in living

  • Habituation limits perspective
  • “It’s hard to know what’s good and bad without having a sense of the alternatives”
  • Listen, read, experience