Given how neurons just carry impulses around like wires, with only an input and an output, how can these signals amount to conscious thought without some form of logic gates like in computers?
It appears to be a result greater than the sum of its parts. How can this be?
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“Greater than the sum of its parts” appears a lot in scientific inquiry. In this case, it’s what we call an emergent property.
Neurons are complicated little things, so there are a few ways a signal can change from one cell to the next. A neurochemical might block or activate a particular receptor. A weak signal might die because the axon lacks certain features for insulating the signal. One signal might block another. Little things like that. Our brains aren’t binary.
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