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Within Reason

#55 Robert Sapolsky - Free Will Doesn't Exist. Now What?

Feb 11, 2024
Neuroendocrinology researcher Robert Sapolsky challenges the concept of free will. They discuss neuroscience, physics, and philosophy arguments against free will. Factors like brain activity, sensory stimuli, hormones, genetics, and culture heavily influence human behavior. Glucose levels are a significant predictor of a judge's parole decision. They explore Buridan's donkey and limitations of randomness. Ancestors' environment, cultural backgrounds, and physiological differences shape present behavior. They discuss the consequences of disregarding free will, including existential concerns and potential nihilism.
56:56

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Quick takeaways

  • Our behaviors are influenced by a multitude of factors, including genetics, environment, upbringing, and brain processes, highlighting the limitations of attributing moral responsibility to individuals.
  • Recognizing the factors that shape our behaviors and motivations can lead to a more reflective and empathetic perspective, ultimately fostering a more compassionate society without blame and unfair judgments.

Deep dives

The Illusion of Free Will

The podcast explores the concept of free will and how it may not truly exist. The speaker, Robert Sapolsky, argues that our behaviors are influenced by a multitude of factors, including genetics, environment, upbringing, and brain processes. He emphasizes the point that we are the product of circumstances, experiences, and biological factors over which we have no control. Sapolsky discusses the limitations of attributing agency and moral responsibility to individuals, highlighting examples such as the hungry judge phenomenon, which shows how hunger can affect decision-making. He argues that removing the notion of free will can lead to a more humane and compassionate society without blame, punishment, and unfair judgments.

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