this post was submitted on 10 Sep 2026
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In 1983 Benjamin Libet found that brain activity predicts your movements before you are aware of deciding to move. The result has been reproduced many times, and it has been used ever since to argue that free will is an illusion. Three new papers say the measurements were fine but the interpretation was not. Let's take a look.

Sources:

Action fluency and conscious intention: being aware of what we are about to do

https://www.base-search.net/Search/Results?type=all&lookfor=Action+Fluency+and+conscious+intention&ling=1&oaboost=1&name=&thes=&refid=dcresen&newsearch=1%C3%B9

Undermining Free Will Belief Increases Forgiveness of Self and Others

👉 ((btw www.base-search.net is a great search engine for scientific papers))

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[–] quarrel4you@piefed.social 2 points 1 day ago (1 children)

I can choose to do a thing that I neither want nor have to do. I can also choose to not do a thing that I want or need to do. Can I prove that to you though? Does my desire to be contrarian countermand my free will? It very well might.

I can rewind a video and watch it again. That is no different from your time travel example. I don't think we can convincingly argue either way if a quantum field collapse will always happen the same way, even if we were to start save-scumming reality. I kind of hope we will never be able to.

None of this precludes me from having free will in the present. I don't even think I need quantum dice contently rolling around in my consciousness. Even if I am completely deterministic, I can still make choices. My brain is a computational device made of meat. I can only have so much faith in what a choice even means, but I sure think I know one when I see one.

[–] Iconoclast@feddit.uk 4 points 1 day ago

You didn't pick your desire to be contrarian and you couldn't choose not to be.

Rewinding a video is a bad example in two ways: it does not rewind the universe to the exact same state it was before and secondly, the video still plays out exactly the same every single time - just like I said.

My argument was that you could not have done otherwise. I never claimed that choices aren't being made. They are - based on things that are outside of your control. You don't author them. In fact the whole concept of "I" is just another side of the same coin. There is no "self" sitting somewhere there behind one's face, looking out into the world and authoring decisions. It's all brain chemistry, brain is made of matter and matter obeys the laws of physics. There isn't anything separate that's standing outside of that, free from the influences of cause and effect.

It feels like freedom because the action aligns with your desires. You do X because you want to do X or you do Y because you don't want what follows if you don't do Y. To claim you could do something you don't want to or don't have to is an impossible claim. You can punch a wall and hurt your hand to try and make a point but that's still an action motivated by wanting.