The spontaneous firing of neurons also leads Chvostek's sign, which is when facial muscles twitch after the facial nerve is lightly finger tapped 1 cm below the zygomatic process.

神经元的自发放电也会产生Chvostek征，就是在颧骨突起处下方1厘米处用手指轻轻敲打面神经后，产生面部肌肉抽搐的现象。