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	Author	Clutton-Brock, T.H.; Parker, G.A.
	Title	Punishment in animal societies			Type	Journal Article
	Year	1995	Publication		Abbreviated Journal	Nature
	Volume	373	Issue	6511	Pages	209-216
	Keywords
	Abstract	Although positive reciprocity (reciprocal altruism) has been a focus of interest in evolutionary biology, negative reciprocity (retaliatory infliction of fitness reduction) has been largely ignored. In social animals, retaliatory aggression is common, individuals often punish other group members that infringe their interests, and punishment can cause subordinates to desist from behaviour likely to reduce the fitness of dominant animals. Punishing strategies are used to establish and maintain dominance relationships, to discourage parasites and cheats, to discipline offspring or prospective sexual partners and to maintain cooperative behaviour.
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN		ISBN		Medium
	Area		Expedition		Conference
	Notes	10.1038/373209a0			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	4838
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	Author	Clutton-Brock, J.
	Title	Origins of the dog: domestication and early history			Type	Book Chapter
	Year	1995	Publication	The Domestic Dog: Its Evolution, Behaviour and Interactions with People	Abbreviated Journal
	Volume		Issue		Pages
	Keywords
	Abstract
	Address
	Corporate Author				Thesis
	Publisher	Cambridge University Press	Place of Publication	Cambridge	Editor	Serpell, J.A.
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN		ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	Equine Behaviour @ team @ Clutton-Brock1995			Serial	6247
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	Author	Clayton, H.M.
	Title	Comparison of the stride kinematics of the collected, medium, and extended walks in horses			Type	Journal Article
	Year	1995	Publication	American Journal of Veterinary Research	Abbreviated Journal	Am J Vet Res
	Volume	56	Issue	7	Pages	849-852
	Keywords	Analysis of Variance; Animals; Gait; Horses/physiology; *Locomotion; Motion Pictures; Physical Conditioning, Animal; Walking
	Abstract	Six horses, highly trained for dressage competition, were used to study the stride kinematics of the walk, and to compare the kinematics of the collected, medium, and extended walks. Horses were filmed in a sagittal plane at a rate of 150 frames/s; temporal, linear, and angular data were extracted from the films. Results of ANOVA and Duncan's multiple range test indicated that the speed of the collected walk (1.37 m/s) was significantly (P < 0.01) slower than that of the medium (1.73 m/s) and extended (1.82 m/s) walks, values for which were not significantly different from each other. The increase in speed was associated with a significant increase in stride length, from 157 cm in the collected walk to 193 cm in the extended walk. This was a result of an increase in the over-tracking distance, whereas there was no significant difference in the distance between lateral placements of the limbs. Stride duration decreased (P < 0.01) from the collected walk (1,159 ms) to the extended walk (1,064 ms). Angles of the metacarpal and metatarsal segments, measured on the palmar/ plantar aspect, were higher at impact and lower at lift off in the collected than in the extended walk (P < 0.01). This indicated greater range of angular motion of this segment during the stance phase in the extended walk. Only 1 of the 6 horses had a regular 4-beat rhythm of the footfalls, with equal time elapsing between the lateral and diagonal footfalls.
	Address	Department of Veterinary Anatomy, Western College of Veterinary Medicine, Canada
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0002-9645	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:7574149			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	3743
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	Author	Cheney, D.L.; Seyfarth, R.M.; Silk, J.B.
	Title	The responses of female baboons (Papio cynocephalus ursinus) to anomalous social interactions: evidence for causal reasoning?			Type	Journal Article
	Year	1995	Publication	Journal of comparative psychology (Washington, D.C. : 1983)	Abbreviated Journal	J Comp Psychol
	Volume	109	Issue	2	Pages	134-141
	Keywords	Animals; Attention; Auditory Perception; Awareness; Concept Formation; Dominance-Subordination; Fear; Female; Hierarchy, Social; Papio/psychology; *Social Behavior; Social Environment; Vocalization, Animal
	Abstract	Baboons' (Papio cynocephalus ursinus) understanding of cause-effect relations in the context of social interactions was examined through use of a playback experiment. Under natural conditions, dominant female baboons often grunt to more subordinate mothers when interacting with their infants. Mothers occasionally respond to these grunts by uttering submissive fear barks. Subjects were played causally inconsistent call sequences in which a lower ranking female apparently grunted to a higher ranking female, and the higher ranking female apparently responded with fear barks. As a control, subjects heard a sequence made causally consistent by the inclusion of grunts from a 3rd female that was dominant to both of the others. Subjects responded significantly more strongly to the causally inconsistent sequences, suggesting that they recognized the factors that cause 1 individual to give submissive vocalizations to another.
	Address	Department of Biology, University of Pennsylvania, Philadelphia 19104, USA
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0735-7036	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:7758289			Approved	no
	Call Number	refbase @ user @			Serial	348
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	Author	Chalmeau, R.; Gallo, A.
	Title	Cooperation in primates: Critical analysis of behavioural criteria			Type	Journal Article
	Year	1995	Publication	Behavioural Processes	Abbreviated Journal	Behav. Process.
	Volume	35	Issue	1-3	Pages	101-111
	Keywords	Cognition; Communication; Cooperation; Evolution; Primates
	Abstract	Concerning hunting in chimpanzees, cooperation has generally been attributed to the behaviour of two or more individuals acting together to achieve a common goal (Boesch and Boesch, 1989). The common goal is often considered as the concrete result of a common action by two or several individuals. Although this result could be used as a criterion for cooperation, it could also be an outcome due to chance. We suggest that the goal, viewed as a concrete benefit shared by the partners, is not a requisite of cooperation but rather a possible consequence of a common action largely submitted to social constraints. Individuals engaged in a cooperative task in order to solve a problem have to exchange information to adjust to each other's behaviour. However, evidence of communication between partners during simultaneous cooperation is rare. An experiment in which two chimpanzees each had to simultaneously pull a handle to get a fruit was performed. We analysed not only the concrete result of the partners' activity but also what the individuals took into account before pulling a handle. We tried to specify what the chimpanzees learned by means of a series of logical propositions which we were able to confront the experimental results.
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN		ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	refbase @ user @			Serial	570
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	Author	Call, J.; Tomasello, M.
	Title	Use of social information in the problem solving of orangutans (<em>Pongo pygmaeus</em>) and human children (<em>Homo sapiens</em>)			Type	Journal Article
	Year	1995	Publication	Journal of Comparative Psychology	Abbreviated Journal	J. Comp. Psychol.
	Volume	109	Issue	3	Pages	308-320
	Keywords	cross species imitative learning in problem solving, human 3–4 yr olds vs orangutans
	Abstract	Fourteen juvenile and adult orangutans and 24 3- and 4-yr-old children participated in 4 studies on imitative learning in a problem-solving situation. In all studies a simple to operate apparatus was used, but its internal mechanism was hidden from subjects to prevent individual learning. In the 1st study, orangutans observed a human demonstrator perform 1 of 4 actions on the apparatus and obtain a reward; they subsequently showed no signs of imitative learning. Similar results were obtained in a 2nd study in which orangutan demonstrators were used. Similar results were also obtained in a 3rd study in which a human encouraged imitation from an orangutan that had previously been taught to mimic arbitrary human actions. In a 4th study, human 3- and 4-yr-old children learned the task by means of imitation. (PsycINFO Database Record (c) 2010 APA, all rights reserved)
	Address
	Corporate Author				Thesis
	Publisher	US: American Psychological Association	Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1939-2087 (Electronic); 0735-7036 (Print)	ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	yes
	Call Number	Equine Behaviour @ team @ 1995-42883-001			Serial	5448
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	Author	Byrnl, R.W.; Tomasello, M.
	Title	Do rats ape?			Type	Journal Article
	Year	1995	Publication	Animal Behaviour.	Abbreviated Journal	Anim. Behav.
	Volume	50	Issue	5	Pages	1417-1420
	Keywords
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN		ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	refbase @ user @			Serial	589
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	Author	Boysen, S.T.; Berntson, G.G.
	Title	Responses to quantity: perceptual versus cognitive mechanisms in chimpanzees (Pan troglodytes)			Type	Journal Article
	Year	1995	Publication	Journal of Experimental Psychology. Animal Behavior Processes	Abbreviated Journal	J Exp Psychol Anim Behav Process
	Volume	21	Issue	1	Pages	82-86
	Keywords	Animals; Behavior, Animal; Choice Behavior; Cognition/physiology; Female; Pan troglodytes; Perception/*physiology; Reinforcement (Psychology); Task Performance and Analysis
	Abstract	Two chimpanzees were trained to select among 2 different amounts of candy (1-6 items). The task was designed so that selection of either array by the active (selector) chimpanzee resulted in that array being given to the passive (observer) animal, with the remaining (nonselected) array going to the selector. Neither animal was able to select consistently the smaller array, which would reap the larger reward. Rather, both animals preferentially selected the larger array, thereby receiving the smaller number of reinforcers. When Arabic numerals were substituted for the food arrays, however, the selector animal evidenced more optimal performance, immediately selecting the smaller numeral and thus receiving the larger reward. These findings suggest that a basic predisposition to respond to the perceptual-motivational features of incentive stimuli can interfere with task performance and that this interference can be overridden when abstract symbols serve as choice stimuli.
	Address	Comparative Cognition Project, Ohio State University, Columbus 43210-1222
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0097-7403	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:7844508			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2783
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	Author	Boyd, R.; Richerson, P.J.
	Title	Why does culture increase human adaptability?			Type	Journal Article
	Year	1995	Publication	Ethology and Sociobiology	Abbreviated Journal	Ethol. a. Sociob.
	Volume	16	Issue	2	Pages	125-143
	Keywords	Social learning; Adaptation; Culture; Sociobiology
	Abstract	It is often argued that culture is adaptive because it allows people to acquire useful information without costly learning. In a recent paper Rogers (1989) analyzed a simple mathematical model that showed that this argument is wrong. Here we show that Rogers' result is robust. As long as the only benefit of social learning is that imitators avoid learning costs, social learning does not increase average fitness. However, we also show that social learning can be adaptive if it makes individual learning more accurate or less costly.
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN		ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	Equine Behaviour @ team @			Serial	4196
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	Author	Boissy, A.
	Title	Fear and Fearfulness in Animals			Type	Journal Article
	Year	1995	Publication	The Quarterly Review of Biology	Abbreviated Journal	The Quarterly Review of Biology
	Volume	70	Issue	2	Pages	165-191
	Keywords
	Abstract	Persistence of individual differences in animal behavior in reactions to various environmental challenges could reflect basic divergences in temperament, which might be used to predict details of adaptive response. Although studies have been carried out on fear and anxiety in various species, including laboratory, domestic and wild animals, no consistent definition of fearfulness as a basic trait of temperament has emerged. After a classification of the events that may produce a state of fear, this article describes the great variability in behavior and in physiological patterns generally associated with emotional reactivity. The difficulties of proposing fearfulness-the general capacity to react to a variety of potentially threatening situations-as a valid basic internal variable are then discussed. Although there are many studies showing covariation among the psychobiological responses to different environmental challenges, other studies find no such correlations and raise doubts about the interpretation of fearfulness as a basic personality trait. After a critical assessment of methodologies used in fear and anxiety studies, it is suggested that discrepancies among results are mainly due to the modulation of emotional responses in animals, which depend on numerous genetic and epigenetic factors. It is difficult to compare results obtained by different methods from animals reared under various conditions and with different genetic origins. The concept of fearfulness as an inner trait is best supported by two kinds of investigations. First, an experimental approach combining ethology and experimental psychology produces undeniable indicators of emotional reactivity. Second, genetic lines selected for psychobiological traits prove useful in establishing between behavioral and neuroendocrine aspects of emotional reactivity. It is suggested that fearfulness could be considered a basic feature of the temperament of each individual, one that predisposes it to respond similarly to a variety of potentially alarming challenges, but is nevertheless continually modulated during development by the interaction of genetic traits of reactivity with environmental factors, particularly in the juvenile period. Such interaction may explain much of the interindividual variability observed in adaptive responses.
	Address
	Corporate Author				Thesis
	Publisher	The University of Chicago Press	Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0033-5770	ISBN		Medium
	Area		Expedition		Conference
	Notes	doi: 10.1086/418981			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	6664
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