The nerves that control unconscious processes such as the heartbeat can sense distress and trigger a maladaptive fight-or-flight response that triggers blood vessels to constrict, the heart to gallop and blood pressure to rise, resulting in damage.

控制心跳等无意识过程的神经可以感知痛苦并引发适应不良的战斗或逃跑反应，从而触发血管收缩，心脏奔驰和血压升高，从而导致损伤。