Limits of brain scans for diagnosis

Psychopathy is treatable, altruism is contagious, and 'sociopath' is a word we should probably retire. Abigail Marsh makes the case here on part 2 of 2. [Find part 1 here!]

Full show notes and resources can be found here: jordanharbinger.com/1293

What We Discuss with Dr. Abigail Marsh:

• Psychopathy isn't the life sentence people assume it is. Personality disorders like psychopathy and borderline are far more treatable than the popular narrative suggests, and many people with psychopathic traits actively want to change, recognizing their behavior patterns aren't working for them.
• Most of the world's worst atrocities aren't committed by psychopaths — they're committed by groups of ordinary people who believe they're completely justified. The real danger isn't the remorseless loner; it's collective moral certainty that one side's aggression is righteous.
• Fear is the secret bridge between altruism and psychopathy. Psychopaths don't process fear — their own or others' — while extreme altruists are hypersensitive to it. Same brain structure, different tuning, and that gap determines who rushes toward danger and who shrugs.
• Our brains are survival machines, not accuracy machines — and negativity bias warps our view of humanity. Bad behavior is actually rare, but we encode it in high fidelity, leading us to wildly overestimate how selfish and dangerous other people really are.
• Altruism creates ripple effects that reshape lives in ways you'd never predict. One kind response to a stranger — even an online troll — can shift someone's entire outlook. Well-being fuels generosity, and generosity fuels well-being, so start the cycle anywhere and watch it compound.
• And much more... [This is part two of a two-part episode. Find part one here!]

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