Answer:
a neuron either fires or does not fire
Explanation:
According to my research on studies conducted by various neurologists, I can say that based on the information provided within the question this refers to a neuron either firing or not firing at all. A neuron is an electrically excitable cell that communicates with other cells via specialized connections called synapses and is studied in the field of Neurology.
I hope this answered your question. If you have any more questions feel free to ask away at Brainly.