Q&A: Kockouts

How plausible is it to knock someone unconscious without killing them? I have a monster character that, when people annoy him, picks them up and slams to either knock them out or kill them. One of my characters has to have this happen to them and they survive it, but I’ve heard it’s actually really rare to knock someone out and not kill them. Is it true that this isn’t plausible, and if it’s not is there anything else, like smothering, that they *could* survive? I love your blog by the way.

I know we’ve answered this one in the past, but it doesn’t seem to be properly tagged, so I can’t find it. The very short version is, “It’s entirely plausible, but your character will probably end up a vegetable after the fact.”

Being knocked unconscious is actually a concussion. It’s a life threatening injury. Being knocked out for more than a few seconds (of the top of my head, the number is somewhere around 30) will result in permanent brain damage for the victim. Being unconscious for more than a few minutes will result in either a coma or death. (For what it’s worth: I’m phrasing it like the symptom is the cause. The concussion’s severity determines both how long the victim is out, and the extent of other neurological damage.)

So, while it’s entirely possible to be knocked out by being body slammed into a wall, freeway support column or ‘57 Chevy, undertaking complex tasks like walking, talking, or remembering your own name, will probably be out of reach afterwards. Depending on the severity of the concussion these symptoms could last for minutes to permanent.

It’s also worth pointing out that concussions are cumulative. They’re literally bruising on the brain itself, from bouncing against the inside of the skull. These do stack up, meaning future concussions occur more easily, and are more severe. Knocking characters out repeatedly will kill them, quickly.


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