Re: No comment necessary, I think

Melinda Shore wrote:
[]
http://www.thinkgeek.com/geektoys/science/adca/

It seems to rely on feeding the fish directly. I wonder
what the threshold is for animals being smart enough to be
able to use a bridging device.

Interesting. In looking at this clip (trained Betta) http://www.youtube.com/watch?v=IfQK_cDHGwA I wondered if food was delivered every time. The bright orange food delivery section could be acting as a bridge/secondary reinforcer, since it appeared before the fish could get to the food, and fish (some? most?) have good color vision.

FurPaw
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Don't believe everything that you think.

To reply, unleash the dog.
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