operate solely on a substrate of neurons in the physical brain.
As opposed to …? Ion channels? Quantum phenomena? Multiple interacting brains? Non-neuronal tissue? Neuronal-but-extracranial cells? Soul? Beings outside the observable universe, running the simulator?
What is this belief supposed to be distinguished from?
Well, hormones, and chemicals such as DMT or endocannabinoids etc surely affect the thinking progress. But the phrasing of the question is not really clear to say if you can count these.
As opposed to …? Ion channels? Quantum phenomena? Multiple interacting brains? Non-neuronal tissue? Neuronal-but-extracranial cells? Soul? Beings outside the observable universe, running the simulator?
What is this belief supposed to be distinguished from?
Well, hormones, and chemicals such as DMT or endocannabinoids etc surely affect the thinking progress. But the phrasing of the question is not really clear to say if you can count these.