You can measure skin conductance and startle responses, but there's no need.

您可以测量皮肤电导和惊吓反应，但没有必要。

And the fact that it's different from other kinds of startle response disorders can tell us a little about our own evolutionary history.

它与其他类型的惊吓反应障碍不同的事实可以告诉我们一些关于我们自己的进化史。

Somebody might start to avoid environments and situations that remind them of their trauma and feel a sense of hypervigilance where they are constantly on guard or hyperarousal where they have this exaggerated startle response to the smallest of triggers.

有些人可能开始回避那些可唤起创伤记忆的环境和情况，或表现为高度警觉（一直保持警惕），或表现为惊跳反应增强（对小刺激有过度的反应）。