Stepping Out of the Shadows
Summary
Host Shankar Vedantam interviews psychologist Alison Ledgerwood about the brain’s evolutionary negativity bias, which causes us to fixate on threats and mistakes. They explore how this bias influences memory, decision-making, and geopolitical conflicts through framing effects. Ledgerwood offers strategies to rebalance this tendency, such as practicing gratitude, sharing positive experiences, and using humor to interrupt negative spirals.
Topics discussed
Introduction: The evolutionary design of the brain
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The negativity bias in daily life and work
Case study: NASA's Genesis mission failure
Negativity bias in geopolitics and war
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Evolutionary roots: Why we focus on threats
Neuroscience of negativity and framing effects
Classic study: Disease outbreak framing
Asymmetric impact of negative vs positive frames
Sponsor messages and listener feedback intro
Strategies to counter negativity: Gratitude and sharing
Reframing mistakes and the psychology of disgust
Sponsor messages: Sprouts and HBO Max
Listener questions on disgust sensitivity and trypophobia
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Social and cultural dimensions of disgust
Sponsor messages and transition to listener stories
Managing disgust in healthcare and public health
Conclusion and final sponsor messages
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