Was watching a program about memory problems on either TLC or Discovery (can't remember which
) and heard this interesting bit of info.
A blow to the top of the head will not necessarily KO a person unless it is a very heavy one, probably heavy enough to fracture or crush the skull. What will KO a person is a blow which causes the head to violently and rapidly twist to the side.
The brain has a consistency approximately the same as half-formed jello. When the head is suddenly twisted, the outside portion of the brain "sloshes" around inside the skull, and does so quicker than the inside portion (think of an LP record on a turntable-the outer edge moves at 33 1/3 rpm, but the label rotates at a slower rate.) If the twisting is quick and sharp enough, it damages the synapses in such a way as to cause unconsciouness. This is why most actual knockouts in a boxing match result from upercuts and not jabs.
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Shoot straight regards, Richard at The Shottist's Center
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