Jitter, that is very likely damage degaussed resistance, in the absence of sound may be the relay and control circuit problem.

抖动，说明极有可能是消磁电阻损坏，如果没有响声则可能继电器及其控制电路有问题。

youdao

Drinking can damage the ends of neurons, making it more difficult for them to relay signals.

饮酒会损害神经元末梢，会减慢神经元传递信号。

youdao

Isolated areas of the cortex may still be functional, but damage to crucial brain relay stations disconnects them from the rest of the brain.

FORBES: Twilight Zone