Suzana Herculano-Houzel

First Principles: Neuronal activity is contagious excitation, an electrochemical signal

“Activity” is a term that, in a neuron, usually describes the undoing of the voltage of their cell membrane. If such changes occurred in other cells, they would most likely soon be dead, intoxicated by high levels of calcium released from intracellular stores. In neurons, in contrast, either the undoing of the membrane potential is quickly reversed, or else it…...

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