Re: Color vision in gorillas

[byard pidgeon <bluedove@xxxxxxxxxxxx>]

If "they've been doing tests like that for decades" that "small dark booth"
the gorillas are in must smell really BAD.

When I was in college, I participated in some color perception tests...I'm
envious of the gorillas, because I didn't get any M&Ms or even a banana.

It's OK, though...I faked a lot of responses.

on 03/09/2002 04:27 PM, Paul D. DeRocco at pderocco@ix.netcom.com wrote:

> They probably put them in a small dark booth or box with a display that can
> show different color patches, and that has touch sensors. They show a bunch
> of colors, all of which are the same except for one which is very different,
> and train the animal to touch the different color, rewarding it with an M&M
> or something. They then gradually reduce the differences in color until the
> animal is no longer able to pick the different color. They've been doing
> tests like that for decades.

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