Aiming those at the synapse under study enabled them to uncage the neurotransmitter and see, by measuring the electrical activity in that part of the neuron using an ultrafine electrode, whether the synapse responded.

将的触作为目标能够让触释放神递质，并让员能够使用超细电极测量神元一部分的电活动，以此来观察触是否有反应。