He aha te pātai ki: "He ara neura, he ara neura, he mata neura, e hono ana i tētahi wāhanga o te pūnaha neura ki tētahi atu, ā, ko te nuinga o te wā, ko ngā pūhui o ngā pūtau neuron, e mōhiotia ana ko te mea mā."? Ko te kaupapa ko te ara Neural.
"He aha te ara ā-roto?"