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Author |
Gardner, P. |
Title |
Responses of horses to the same signal in different positions |
Type |
Journal Article |
Year |
1937 |
Publication |
journal of Comparative Psychology, |
Abbreviated Journal |
J. Comp. Physiol |
Volume |
23 |
Issue |
2 |
Pages |
305-332. |
Keywords |
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Abstract |
The horses were required to differentiate a box containing a black cloth from two associated boxes with no cloth. The correct box contained food. It differed in actual position with respect to the other boxes from trial to trial. After learning had occurred, the position of the cloth signal was changed. The changed positions produced many errors, the number of errors depending upon whether the cloth was higher or lower than the opening of the food box. Retests showed original learning to be relatively stable and unaffected. Factors influencing accuracy of discrimination were: contacts with cloth, position of box with respect to entrance, age of the horse (the younger made fewer errors), and breed and type of horse. There is evidence of some retention after three years. (PsycINFO Database Record (c) 2012 APA, all rights reserved) |
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Equine Behaviour @ team @ |
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3592 |
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Author |
Thor, D.H.; Holloway, W.R. |
Title |
Social memory of the male laboratory rat |
Type |
Journal Article |
Year |
1982 |
Publication |
Journal of Comparative and Physiological Psychology |
Abbreviated Journal |
J. Comp. Physiol. Psychol. |
Volume |
96 |
Issue |
6 |
Pages |
1000-1006 |
Keywords |
duration of social-investigatory behavior, measure of conspecific recognition &; social memory, male rats |
Abstract |
Used duration of social-investigatory behavior by 36 mature male Long-Evans rats as a measure of individual recognition in 5 experiments to assess social memory. In Exp I, the duration of social investigation during a 2nd exposure to the same juvenile (n[en space]=[en space]12) was directly related to the length of the interexposure interval. In Exp II, Ss were exposed to the same or different juvenile 10 min after an initial 5-min exposure to a novel juvenile; reexposure to the same juvenile elicited significantly less social investigation than an exposure to a different juvenile. Exps III and IV demonstrated that following a 5-min introductory exposure, social memory of the juvenile was relatively brief in comparison with that of mature Ss. Exp V revealed a retroactive interference effect on recently acquired memory for an individual: 12 mature Ss exposed to interpolated social experience engaged in significantly longer investigation of a juvenile than those with no interpolated social experience. The combined results suggest that (1) the rat normally engages in spontaneous learning of individual identity and (2) social memory may be a significant aspect of complex social interactions. (16 ref) (PsycINFO Database Record (c) 2006 APA, all rights reserved) |
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0021-9940 |
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Equine Behaviour @ team @ |
Serial |
5133 |
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