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> There is no evidence that intelligence runs on neurons.

1. Neurons connect all our senses and all our muscles.

2. Neurons are the definitive difference between the brain and the rest of the body. There is “other stuff” in the brain, but it’s not so different from the “other stuff” that’s in your rear end.

Don’t underestimate what a neuron can do. A single artificial neuron can fit a logistic regression model. A quarter of a million is on then scale of some our our largest AI, and biological neurons are far more connected than ANN. An ant quite likely has a more powerful brain than GPT-4.



> 2. Neurons are the definitive difference between the brain and the rest of the body. There is “other stuff” in the brain, but it’s not so different from the “other stuff” that’s in your rear end.

Our digestive systems appear to be important to our behaviour, though. Some recent work in mice showed that if colonised with bacteria from faeces of humans with autism, the mice would begin to show autistic behaviours.

So, not sure your argument here is especially strong.


The role that digestive systems potentially play for our behavior is via neurotransmitters, so in the end it is the neurons, that are responsible.

If the study you mention show something else, I would actually be very interested in a source.




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