First, there are biological factors that amplify nociceptive signals to the brain.

首先，有生物因素会放大到大脑的伤害。

If you went flying off the swings, a doctor would classify your broken arm as acute nociceptive pain because the pain was a result of damaged bone tissue and you likely won't have any pain after it heals.

如果你从秋千上掉下来，医生会把你的断臂归类为急伤害疼痛，因为这种疼痛骨组织受损的结果，愈合后你可能不会有任何疼痛。

And since the fibers carrying tactile information are much thicker than those carrying nociceptive signals, rubbing an injury can produce temporary relief from the pain.

而且由于带有触觉息的神比带有损伤的要更厚一些，摩擦伤口反而可能暂时不会那么疼。

Nociceptive pain is when your actual body tissues are damaged, like with a cut, burn or broken bone.

伤害疼痛指你实际的身体组织受损，比如割伤、烧伤或骨折。

Psychogenic pain is when fear, depression, stress or anxiety make a regular nociceptive or neuropathic pain feel way worse or last way longer than it normally should.

心因疼痛指恐惧、抑郁、压力或焦虑使常规伤害或神疼痛感觉比正常情况下更糟或持续时间更长。