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	Author	Hinde, R.A.
	Title	Analyzing the roles of the partners in a behavioral interaction--mother-infant relations in rhesus macaques			Type	Journal Article
	Year	1969	Publication	Annals of the New York Academy of Sciences	Abbreviated Journal	Ann N Y Acad Sci
	Volume	159	Issue	3	Pages	651-667
	Keywords	Age Factors; Animals; Behavior, Animal; Female; Group Processes; Haplorhini; Leadership; Maternal Deprivation; Mother-Child Relations; *Role; Time Factors
	Abstract
	Address
	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	0077-8923	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:4981882			Approved	no
	Call Number				Serial	2054
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	Author	Cambefort, J.P.
	Title	A comparative study of culturally transmitted patterns of feeding habits in the chacma baboon Papio ursinus and the vervet monkey Cercopithecus aethiops			Type	Journal Article
	Year	1981	Publication	Folia Primatologica; International Journal of Primatology	Abbreviated Journal	Folia Primatol (Basel)
	Volume	36	Issue	3-4	Pages	243-263
	Keywords	Age Factors; Animals; Cercopithecus; Cercopithecus aethiops; Culture; Feeding Behavior; Female; Group Structure; Learning; Male; Papio; Social Class; Teaching
	Abstract	Japanese workers have studied social acquisition patterns of new feeding habits in Macaca fuscata which they have termed precultural. The present study investigates the same phenomenon in the chacma baboon and the vervet monkey in their natural habitat. The questions addressed are: (1) How a new feeding habit enters a troop and by which age and sex category, also how it is propagated? (2) When individuals are permitted with a choice between palatable and unpalatable food, can they learn by demonstration only or do they have to pass through a direct learning process? (3) Can the results from the above questions be explained by social parameters such as the social structure of the individual species? It was found that juvenile baboons discover new food and that after the discovery propagation is instantaneous. In vervets discovery is random among the age classes and propagation is slow and takes place through certain 'pivot' individuals. Both species fail to learn about palatability by demonstration but have to go through a direct learning process. This contrasts strongly with the forest baboon Mandrillus sphinx that have been shown to learn by demonstration. Socially, baboon juveniles stay closer to each other than the adults who force them to live at the periphery of the troop. Vervets again forage without precise sub-group formation. The link between social and cultural propagation and social structure is discussed on the basis of these findings.
	Address
	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	0015-5713	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:7319426			Approved	no
	Call Number				Serial	2087
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	Author	Kendal, R.L.; Coe, R.L.; Laland, K.N.
	Title	Age differences in neophilia, exploration, and innovation in family groups of callitrichid monkeys			Type	Journal Article
	Year	2005	Publication	American journal of primatology	Abbreviated Journal	Am. J. Primatol.
	Volume	66	Issue	2	Pages	167-188
	Keywords	Age Factors; Analysis of Variance; Animals; Animals, Zoo; Behavior, Animal/physiology; Callitrichinae/physiology; Creativeness; Exploratory Behavior/*physiology; Observation; Social Behavior; Task Performance and Analysis
	Abstract	The prevailing assumption in the primate literature is that young or juvenile primates are more innovative than adult individuals. This innovative tendency among the young is frequently thought to be a consequence, or side effect, of their increased rates of exploration and play. Conversely, Reader and Laland's [International Journal of Primatology 22:787-806, 2001] review of the primate innovation literature noted a greater reported incidence of innovation in adults than nonadults, which they interpreted as (in part) a reflection of the greater experience and competence of older individuals. Within callitrichids there is contradictory evidence for age differences in response to novel objects, foods, and foraging tasks. By presenting novel extractive foraging tasks to family groups of callitrichid monkeys in zoos, we examined, in a large sample, whether there are positive or negative relationships of age with neophilia, exploration, and innovation, and whether play or experience most facilitates innovation. The results indicate that exploration and innovation (but not neophilia) are positively correlated with age, perhaps reflecting adults' greater manipulative competence. To the extent that there was evidence for play in younger individuals, it did not appear to contribute to innovation. The implications of these findings for the fields of innovation and conservation through reintroduction are considered.
	Address	Sub-Department of Animal Behavior, University of Cambridge, Cambridge, UK. RachelKendal2003@yahoo.co.uk
	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	0275-2565	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:15940712			Approved	no
	Call Number				Serial	2148
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	Author	Call, J.
	Title	Inferences by exclusion in the great apes: the effect of age and species			Type	Journal Article
	Year	2006	Publication	Animal Cognition	Abbreviated Journal	Anim. Cogn.
	Volume	9	Issue	4	Pages	393-403
	Keywords	Age Factors; Animals; Association Learning; Cognition; Concept Formation; Discrimination Learning; Female; Gorilla gorilla; Hominidae/classification/psychology; Male; Pan paniscus; Pan troglodytes; Pongo pygmaeus; *Problem Solving; Species Specificity
	Abstract	This study investigated the ability of chimpanzees, gorillas, orangutans, and bonobos to make inferences by exclusion using the procedure pioneered by Premack and Premack (Cognition 50:347-362, 1994) with chimpanzees. Thirty apes were presented with two different food items (banana vs. grape) on a platform and covered with identical containers. One of the items was removed from the container and placed between the two containers so that subjects could see it. After discarding this item, subjects could select between the two containers. In Experiment 1, apes preferentially selected the container that held the item that the experimenter had not discarded, especially if subjects saw the experimenter remove the item from the container (but without seeing the container empty). Experiment 3 in which the food was removed from one of the containers behind a barrier confirmed these results. In contrast, subjects performed at chance levels when a stimulus (colored plastic chip: Exp. 1; food item: Exp. 2 and Exp. 3) designated the item that had been removed. These results indicated that apes made inferences, not just learned to use a discriminative cue to avoid the empty container. Apes perceived and treated the item discarded by the experimenter as if it were the very one that had been hidden under the container. Results suggested a positive relationship between age and inferential ability independent of memory ability but no species differences.
	Address	Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, 04103, Leipzig, Germany. call@eva.mpg.de
	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	1435-9448	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:16924458			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2444
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	Author	Borsari, A.; Ottoni, E.B.
	Title	Preliminary observations of tool use in captive hyacinth macaws (Anodorhynchus hyacinthinus)			Type	Journal Article
	Year	2005	Publication	Animal Cognition	Abbreviated Journal	Anim. Cogn.
	Volume	8	Issue	1	Pages	48-52
	Keywords	Age Factors; Animals; Feeding Behavior; Female; Intelligence; Male; Motor Skills; Nuts; *Parrots
	Abstract	Many animals use tools (detached objects applied to another object to produce an alteration in shape, position, or structure) in foraging, for instance, to access encapsulated food. Descriptions of tool use by hyacinth macaws (Anodorhynchus hyacinthinus) are scarce and brief. In order to describe one case of such behavior, six captive birds were observed while feeding. Differences in nut manipulation and opening proficiency between adults and juveniles were recorded. The tools may be serving as a wedge, preventing the nut from slipping and/or rotating, reducing the impact of opening, or providing mechanical aid in its positioning and/or use of force. Data suggest that birds of this species have an innate tendency to use objects (tools) as aids during nut manipulation and opening.
	Address	Laboratory of Cognitive Ethology, Department of Experimental Psychology, Institute of Psychology, University of Sao Paulo, Sao Paulo, Brazil. borsari@hotmail.com
	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	1435-9448	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:15248094			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2518
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	Author	Imura, T.; Tomonaga, M.
	Title	Perception of depth from shading in infant chimpanzees ( Pan troglodytes)			Type	Journal Article
	Year	2003	Publication	Animal Cognition	Abbreviated Journal	Anim. Cogn.
	Volume	6	Issue	4	Pages	253-258
	Keywords	Age Factors; Animals; Contrast Sensitivity/physiology; Depth Perception/physiology; Discrimination Learning/physiology; Female; Male; Pan troglodytes/growth & development/physiology/*psychology; Pattern Recognition, Visual/physiology
	Abstract	We investigated the ability to perceive depth from shading, one of the pictorial depth cues, in three chimpanzee infants aged 4-10 months old, using a preferential reaching task commonly used to study pictorial depth perception in human infants. The chimpanzee infants reached significantly more to three-dimensional toys than to pictures thereof and more to the three-dimensional convex than to the concave. Furthermore, two of the three infants reached significantly more to the photographic convex than to the photographic concave. These infants also looked longer at the photographic convex than the concave. Our results suggest that chimpanzees perceive, at least as early as the latter half of the first year of life, pictorial depth defined by shading information. Photographic convexes contain richer information about pictorial depth (e.g., attached shadow, cast shadow, highlighted area, and global difference in brightness) than simple computer-graphic graded patterns. These cues together might facilitate the infants' perception of depth from shading.
	Address	Graduate School of Humanities, Kwansei Gakuin University, Uegahara, Nishinomiya, Hyogo 662-8501, Japan
	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	1435-9448	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:14610661			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2550
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	Author	Hayashi, M.; Matsuzawa, T.
	Title	Cognitive development in object manipulation by infant chimpanzees			Type	Journal Article
	Year	2003	Publication	Animal Cognition	Abbreviated Journal	Anim. Cogn.
	Volume	6	Issue	4	Pages	225-233
	Keywords	Age Factors; Animals; Child Development/physiology; Child, Preschool; Cognition/physiology; Female; Growth; Humans; Imitative Behavior/physiology; Infant; Learning/physiology; Male; Mothers/psychology; Motor Skills/physiology; Pan troglodytes/growth & development/psychology; Psychomotor Performance/*physiology; Species Specificity
	Abstract	This study focuses on the development of spontaneous object manipulation in three infant chimpanzees during their first 2 years of life. The three infants were raised by their biological mothers who lived among a group of chimpanzees. A human tester conducted a series of cognitive tests in a triadic situation where mothers collaborated with the researcher during the testing of the infants. Four tasks were presented, taken from normative studies of cognitive development of Japanese infants: inserting objects into corresponding holes in a box, seriating nesting cups, inserting variously shaped objects into corresponding holes in a template, and stacking up wooden blocks. The mothers had already acquired skills to perform these manipulation tasks. The infants were free to observe the mothers' manipulative behavior from immediately after birth. We focused on object-object combinations that were made spontaneously by the infant chimpanzees, without providing food reinforcement for any specific behavior that the infants performed. The three main findings can be summarized as follows. First, there was precocious appearance of object-object combination in infant chimpanzees: the age of onset (8-11 months) was comparable to that in humans (around 10 months old). Second, object-object combinations in chimpanzees remained at a low frequency between 11 and 16 months, then increased dramatically at the age of approximately 1.5 years. At the same time, the accuracy of these object-object combinations also increased. Third, chimpanzee infants showed inserting behavior frequently and from an early age but they did not exhibit stacking behavior during their first 2 years of life, in clear contrast to human data.
	Address	Section of Language and Intelligence, Primate Research Institute, Kyoto University, 41 Kanrin, Inuyama, 484-8506 Aichi, Japan. misato@pri.kyoto-u.ac.jp
	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	1435-9448	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:12905079			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2559
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	Author	Bjorklund, D.F.; Yunger, J.L.; Bering, J.M.; Ragan, P.
	Title	The generalization of deferred imitation in enculturated chimpanzees (Pan troglodytes)			Type	Journal Article
	Year	2002	Publication	Animal Cognition	Abbreviated Journal	Anim. Cogn.
	Volume	5	Issue	1	Pages	49-58
	Keywords	Age Factors; Animals; Behavior, Animal; Humans; Imitative Behavior; Pan troglodytes/physiology/psychology; Parenting; Species Specificity
	Abstract	Deferred imitation of object-related actions and generalization of imitation to similar but not identical tasks was assessed in three human-reared (enculturated) chimpanzees, ranging in age from 5 to 9 years. Each ape displayed high levels of deferred imitation and only slightly lower levels of generalization of imitation. The youngest two chimpanzees were more apt to generalize the model's actions when they had displayed portions of the target behaviors at baseline, consistent with the idea that learning is more likely to occur when working within the “zone of proximal development.” We argue that generalization of imitation is the best evidence to date of imitative learning in chimpanzees.
	Address	Department of Psychology, Florida Atlantic University, 777 Glades Road, Boca Raton, FL 33431-0991, USA. dbjorklund@fau.edu
	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	1435-9448	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:11957402			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2610
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	Author	Mirzaeva, A.G.
	Title	[Age makeup of female Culicoides sinanoensis Tok. in the coniferous-broad-leaved forest zone of the southern Maritime Territory]			Type	Journal Article
	Year	1974	Publication	Parazitologiia	Abbreviated Journal	Parazitologiia
	Volume	8	Issue	6	Pages	524-530
	Keywords	Age Factors; Animals; *Ceratopogonidae/physiology; Corpus Luteum/physiology; Ecology; Female; Horses/parasitology; Humans; Ovulation; Pigments, Biological/physiology; Seasons; Siberia; Trees
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	Russian	Summary Language		Original Title	Vozrastnoi sostav samok Culicoides sinanoensis Tok. v zone khvoino-shirokolistvennykh lesov Iuzhnogo Primor'ia
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0031-1847	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:4449654			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2707
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	Author	Nissani, M.
	Title	Do Asian elephants (Elephas maximus) apply causal reasoning to tool-use tasks?			Type	Journal Article
	Year	2006	Publication	Journal of Experimental Psychology. Animal Behavior Processes	Abbreviated Journal	J Exp Psychol Anim Behav Process
	Volume	32	Issue	1	Pages	91-96
	Keywords	Age Factors; Animals; Behavior, Animal; Conditioning, Operant; Decision Making; Discrimination (Psychology); Elephants; Female
	Abstract	Two experiments addressed contradictory claims about causal reasoning in elephants. In Experiment 1, 4 Asian elephants (Elephas maximus) were pretrained to remove a lid from the top of a bucket and retrieve a food reward. Subsequently, in the first 5 critical trials, when the lid was placed alongside the bucket and no longer obstructed access to the reward, each elephant continued to remove the lid before retrieving the reward. Experiment 2, which involved 11 additional elephants and variations of the original design, yielded similarly counterintuitive observations. Although the results are open to alternative interpretations, they appear more consistent with associative learning than with causal reasoning. Future applications of Fabrean methodologies (J. H. Fabre, 1915) to animal cognition are proposed.
	Address	Departmetn of Interdisciplinary Studies, Wayne State University, Detroit, MI 48202, USA. moti.nissani@wayne.edu
	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:16435969			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2763
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