** High Priority **
That is true. Rats can not vomit. They do not have the necessary musculature needed.
In the good old days of taste aversion conditioning, one of the arguments against long
delays was that the rats were vomiting the taste at a time contigious with the toxin.
Not so. See:
Revusky, S.H., & Lavin, M. J. Research (1970) cited in Revusky,
S.H., and Garcia, J. Learned associations over long
delays. In G.H. Bower and J.T. Spence (eds.) The
psychology of learning and motivation: Advances in
research theory. New York: Academic Press.(pgs. 38-39).
Mike Lavin (those were the days).
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Michael J. Lavin | 716-375-2488
Department of Psychology
St. Bonaventure University 14778
[EMAIL PROTECTED] | Fax: 716-375-7618
http://web.sbu.edu/psychology/lavin/
Listen to: http://www.pagoo.com/signature/mlavin
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>>> [EMAIL PROTECTED] 5:02:05 PM >>>
OK - this is going to sound like a REALLY strange question. Perhaps
Michael S. should be asking it.....
Years ago, I heard - somewhere - that rats cannot vomit or burp (this part
I am pretty sure is true). Further, if rats are given a carbonated
beverage to drink, they will be unable to release the gas and will have an
explosive internal rupture and will die. I have even heard that you can
use carbonated beverages in lieu of rat poison as long as the rat consumes
it before it goes flat.
I often mention this when teaching about conditioned taste aversion.
Today, a student didn't believe me and asked for the source - which of
course I could not provide.
Has anyone else heard this? Is it just an urban legend...or lab
folklore? Or is there an actual source?
Thanks!
-- Jim
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