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  E-mail Message: I thought you might be interested in this item at http://www.worldcat.org/oclc/113535976 Title: Conditioned discrimination of airborne odorants by garter snakes (Thamnophis radix and T. sirtalis sirtalis). Publisher: ISBN/ISSN: 0735-7036 OCLC:113535976

  
  

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Conditioned discrimination of airborne odorants by garter snakes (Thamnophis radix and T. sirtalis sirtalis).

Author:	D Begun; JL Kubie; MP O'Keefe; M Halpern
Edition/Format:	Article : English
Publication:	Journal of comparative psychology (Washington, D.C. : 1983) 1988 Mar; 102(1): 35-43
Database:	From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.
Summary:	For snakes, the nasal chemical senses are critical in intraspecific communication and prey recognition. Although it is known that garter snakes can respond differentially to airborne odorants, no previous study has demonstrated that snakes can learn a task with airborne odors as discriminative stimuli. In Experiment 1, 7 plains garter snakes (Thamnophis radix) were trained in a two-choice apparatus to move into a compartment containing lemon-scented chips for a food reward. All 7 snakes improved performance when the first 10 and last 10 trials of the 100 trials of conditioning were compared. Four of the snakes were subsequently trained to move away from the scented compartment into the unscented compartment. The 4 snakes rapidly learned this reversal. In Experiment 2, 7 common garter snakes (T. sirtalis sirtalis) were trained to traverse a two-choice maze with the presence or absence of amyl acetate odor as the conditioned stimulus. The snakes were pretested for odor versus nonodor preference and were trained to go to the initially nonpreferred stimulus. Of the 7 snakes, 5 achieved a predetermined criterion (two training sessions with cumulative correct responding above the .05 confidence level) within 85 trials.  Read more...
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