So this technique should only be used when necessary.

So this technique should only be used when necessary. Humans can also experience TI when they freeze with fear during violent assaults. Recognizing this ancient, involuntary form of self-defense has significant implications when trying to understand why some victims don’t flee or fight in the face of danger. So, studying TI in non-human animals not only helps us better understand some odd behaviors, it can also help us better understand our own, sometimes counterintuitive, responses to violence.