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Free will feels like the most obvious thing in the world: lift one of your hands, left or right, whenever you like. Here is the unsettling part, and this episode is an audio essay built around it: there is evidence a brain scanner could have guessed your choice before you felt yourself make it. We walk all the way into the strongest case against free will, and out the other side. The famous Libet experiment (1983) found the brain preparing to act about 350 milliseconds before people felt themselves decide; in 2008, Soon and Haynes pushed the neuroscience of decision making further, decoding free left-or-right choices up to seven, sometimes ten seconds early, though honestly, at only about 60% accuracy, barely above a coin flip. Sam Harris and Robert Sapolsky press the determinist case, and Schopenhauer said it in one line two centuries ago: a man can do what he wills, but he cannot will what he wills. Then honesty cuts back the other way, through Aaron Schurger's 2012 reinterpretation (neural noise, not a verdict), the problem with stretching wrist-flicks over the whole of human agency, Daniel Dennett's freedom worth wanting, and Libet's own "free won't." What remains is not despair. It is compassion, and a stranger, deeper kind of responsibility. Put in your earbuds and follow one honest thread all the way down.
Follow the show: https://rss.com/podcasts/life-with-heathcliff/ · Full visual essay on YouTube: https://www.youtube.com/@life-with-heathcliff · My book, The Shadow You Carry: https://www.amazon.com/dp/B0H6XSHJ4V
By HeathcliffFree will feels like the most obvious thing in the world: lift one of your hands, left or right, whenever you like. Here is the unsettling part, and this episode is an audio essay built around it: there is evidence a brain scanner could have guessed your choice before you felt yourself make it. We walk all the way into the strongest case against free will, and out the other side. The famous Libet experiment (1983) found the brain preparing to act about 350 milliseconds before people felt themselves decide; in 2008, Soon and Haynes pushed the neuroscience of decision making further, decoding free left-or-right choices up to seven, sometimes ten seconds early, though honestly, at only about 60% accuracy, barely above a coin flip. Sam Harris and Robert Sapolsky press the determinist case, and Schopenhauer said it in one line two centuries ago: a man can do what he wills, but he cannot will what he wills. Then honesty cuts back the other way, through Aaron Schurger's 2012 reinterpretation (neural noise, not a verdict), the problem with stretching wrist-flicks over the whole of human agency, Daniel Dennett's freedom worth wanting, and Libet's own "free won't." What remains is not despair. It is compassion, and a stranger, deeper kind of responsibility. Put in your earbuds and follow one honest thread all the way down.
Follow the show: https://rss.com/podcasts/life-with-heathcliff/ · Full visual essay on YouTube: https://www.youtube.com/@life-with-heathcliff · My book, The Shadow You Carry: https://www.amazon.com/dp/B0H6XSHJ4V