On Sun, 13 May 2001 01:17:35 +0200, "Karl Self" <karl.self at gmx.net>
wrote:
>I know that in humans, the eyes are cross wired to the brain, i. e. the
>left eye is connected to the right brain hemisphere and vice versa. My
>questions:
>- why is this so?
Nobody knows. Good luck for your nobel prize.
>- am i right in thinking that only the eyes, and no other organs (e. g.
>ears) are "wired up" in this manner?
All sensory input crossover in humans before entering the hemispheres.
>- are there any animals in which eyes and brain hemispheres are not cross -
>wired?
Don't know any, other than leeches, but then it is debatable whether
or not they have a brain or just a ganglion.
