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Biederman, G.B.; Robertson, H.A.; Vanayan, M. |
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Title |
Observational learning of two visual discriminations by pigeons: a within-subjects design |
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Year |
1986 |
Publication |
Journal of the experimental analysis of behavior |
Abbreviated Journal |
J Exp Anal Behav |
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46 |
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1 |
Pages |
45-49 |
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Animals; Attention; Columbidae; Conditioning, Operant; Cues; *Discrimination Learning; *Imitative Behavior; Male; Visual Perception |
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Pigeon's observational learning of successive visual discrimination was studied using within-subject comparisons of data from three experimental conditions. Two pairs of discriminative stimuli were used; each bird was exposed to two of the three experimental conditions, with different pairs of stimuli used in a given bird's two conditions. In one condition, observers were exposed to visual discriminative stimuli only. In a second condition, subjects were exposed to a randomly alternating sequence of two stimuli where the one that would subsequently be used as S+ was paired with the operation of the grain magazine. In a third experimental condition, subjects were exposed to the performance of a conspecific in the operant discrimination procedure. After exposures to conspecific performances, there was facilitation of discriminative learning, relative to that which followed exposures to stimulus and reinforcement sequences or exposures to stimulus sequences alone. Exposure to stimulus and food-delivery sequences enhanced performance relative to exposure to stimulus sequences alone. The differential effects of these three types of exposure were not attributable to order effects or to task difficulty; rather, they clearly were due to the type of exposure. |
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English |
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0022-5002 |
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PMID:3746187 |
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853 |
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Author |
Albers, P.C.H.; de Vries, H. |
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Title |
Elo-rating as a tool in the sequential estimation of dominance strengths |
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Year |
2001 |
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Animal Behaviour. |
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Anim. Behav. |
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61 |
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2 |
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489-495 |
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858 |
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Clutton-Brock, T.H.; Albon, S.D.; Gibson, R.M.; Guinness, F.E. |
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Title |
The logical stag: Adaptive aspects of fighting in red deer (Cervus elaphus L.) |
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Journal Article |
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Year |
1979 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
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Volume |
27 |
Issue |
Part 1 |
Pages |
211-225 |
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For red deer stags, fighting both has appreciable costs and yields considerable benefits. Up to 6% of rutting stags are permanently injured each year, while fighting success and reproductive success are closely related, within age groups as well as across them. Fighting behaviour is sensitive to changes in the potential benefits of fighting: stags fight most frequently and most intensely where potential benefits are high and tend to avoid fighting with individuals they are unlikely to beat. The relevance of these findings to theoretical models of fighting behaviour is discussed. |
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860 |
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Drummond, H.; Canales, C. |
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Title |
Dominance between booby nestlings involves winner and loser effects |
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1998 |
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Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
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55 |
Issue |
6 |
Pages |
1669-1676 |
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Two-chick broods of the blue-footed booby,Sula nebouxii, ordinarily exhibit stable dominance-subordinance, with the senior (first-hatched) chick habitually aggressive and the junior one habitually submissive (Nelson 1978,The Sulidae: Gannets and Boobies. London: Oxford University Press). But are both the subordinate and the dominant chick affected in their agonistic tendencies by early social experience? To answer this, we permanently paired subordinate and dominant chicks, 2-3 weeks old, with singletons (chicks lacking experience with a nestmate) by cross-fostering. During the first 4 h after pairing, subordinate chicks were seven times less aggressive than singletons and twice as likely to be submissive; dominant chicks were six times as aggressive as singletons. Although most subordinates consistently lost agonistic encounters during the first 10 days after pairing, the proportion of dominants that won decreased progressively until, by day 6, only about half of dominant chicks were winning. Early social experience has a strong but reversable training effect on both subordinates and dominants. Training as a subordinate showed more persistent effects than training as a dominant, possibly in part because our testing situation perpetuated subordinate training and counteracted dominant training. |
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refbase @ user @ |
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861 |
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Author |
De Vries, H.; Appleby, M.C. |
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Title |
Finding an appropriate order for a hierarchy: a comparison of the I&SI and the BBS methods |
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Year |
2000 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
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Volume |
59 |
Issue |
1 |
Pages |
239-245 |
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refbase @ user @ |
Serial |
869 |
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Schusdziarra, H., Schusdziarra, V. |
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Title |
Gymnasium des Reiters |
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1978 |
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94 |
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3-489-60432-6 |
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Reiten Lesen Denken @ eberhardhuebener @ |
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983 |
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Schusdziarra, H., Schusdziarra, V. |
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Title |
Reitergespräche – Der Weg zum unabhängigen Sitz |
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1986 |
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56 |
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3-489-63532-9 |
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Reiten Lesen Denken @ eberhardhuebener @ |
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1011 |
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Author |
Denniston, R.H. |
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Title |
The varying role of the male in feral horses |
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Year |
1979 |
Publication |
Symp Ecol and Behav of wild and feral Equids, Laramie, |
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Symp Ecol and Behav of wild and feral Equids, Laramie, |
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93-98 |
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from Professor Hans Klingels Equine Reference List |
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1007 |
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Author |
Grobler, J. H. |
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Title |
Feeding habits of the cape mountain zebra |
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1983 |
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Koedoe |
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26 |
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159-168 |
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from Professor Hans Klingels Equine Reference List |
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1127 |
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Houpt Ka, H.T. |
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Title |
Social and illumination preferences of mares |
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1988 |
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J Anim Sci |
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66 |
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2159-2164 |
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from Professor Hans Klingels Equine Reference List |
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1201 |
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