Humans also play dead when threatened

When a rabbit or other animal is trapped by a predator, it will freeze and assess the situation. It might then flee or attack, what we usually call the "fight or flight response". If that fails, a last-ditch defence mechanism is to go completely immobile, to play dead.

Researchers in Brazil now say that in times of grave danger, this same automatic last resort is also exhibited by humans and is experienced as a terrifying feeling of being "locked-in".

Read more on our Research Digest.

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