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Is There a Chemical Message in the Brain That Could Be Used for Credit Assignment?
There are so many different mechanisms in the brain that could potentially help to communicate these sorts of gradient signals or arror signals throughout the circuit. O, those burst dey signal something like bagprob and tey go through the accent am and so you also have a chemical bakrup as well. A, because indeed, there are also various chemical signals that potentially do that. We know that when nerons are activated, they can sometimes send what are called dect retrograde messengers via little chemical signals. Whether that happens is another question.