Why can't we just extract someone's brain and keep

Why would you want to? Without the ability to somehow feed sensual information to it it would be a hellish existence.

>tfw my body is my jar

>>8784515
It's better than dying completely, no?

>>8784537
To put it simply the person would go insane in a very short period of time with no sensory input. Head in a jar is a much better idea.

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>>8784537
no

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>>8784512
>What's stopping us

Fungus starts growing on the top and spoils the brain.

>>8784515
Would it? We won't know until we try.

>>8784835
tasty

>>8784515
This
People have grown brains before, they have activity but quickly stagnate and don't develop at all. Such a person would quickly regress, we can't exist without sensory input.

>>8784865
kinky

>>8784549
might as well put the head onto another body

>>8784512
the keeping them alive part

>internal memeing