
The Free Will Show Episode 8: The Manipulation Argument with Derk Pereboom
Oct 26, 2020
Derk Pereboom, a philosophy professor known for arguing against free will, briefly outlines the manipulation argument. He walks through his Four-Case strategy and Mele’s zygote thought experiment. Short, vivid thought experiments about neural, social, and early-life manipulation move intuitions toward skepticism about basic-desert responsibility.
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Basic Desert Responsibility Versus Forward Looking Blame
- Basic desert responsibility is distinct from forward-looking responsibility and is what manipulation arguments target.
- Derk Pereboom targets 'basic desert'—deserving blame just for intentionally doing wrong, not for future-corrective reasons, which he finds incompatible with determinism.
Remote Neural Tinkering Produces a Determined Murder
- Pereboom's Case One features neuroscientists remotely manipulating Professor Plum's neural states right before deliberation so he deterministically decides to kill White.
- The manipulators press a button producing an egoistic reasoning process that causally guarantees Plum's decision, yet Plum otherwise satisfies compatibilist conditions.
Front Loaded Manipulation At Conception
- Case Two front-loads all manipulation at an agent's conception or early life so initial conditions determine later actions.
- Pereboom compares this to theological views (Leibniz-style) where creation sets a 'program' that inevitably produces later choices.




