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	Author	Okamoto, S.; Tomonaga, M.; Ishii, K.; Kawai, N.; Tanaka, M.; Matsuzawa, T.
	Title	An infant chimpanzee (Pan troglodytes) follows human gaze			Type	Journal Article
	Year	2002	Publication	Animal Cognition	Abbreviated Journal	Anim. Cogn.
	Volume	5	Issue	2	Pages	107-114
	Keywords	Animals; Animals, Newborn/psychology; Attention; Cognition; Conditioning, Operant; Male; Pan troglodytes/psychology; Social Behavior; *Visual Perception
	Abstract	The ability of non-human primates to follow the gaze of other individuals has recently received much attention in comparative cognition. The aim of the present study was to investigate the emergence of this ability in a chimpanzee infant. The infant was trained to look at one of two objects, which an experimenter indicated by one of four different cue conditions: (1) tapping on the target object with a finger; (2) pointing to the target object with a finger; (3) gazing at the target object with head orientation; or (4) glancing at the target object without head orientation. The subject was given food rewards independently of its responses under the first three conditions, so that its responses to the objects were not influenced by the rewards. The glancing condition was tested occasionally, without any reinforcement. By the age of 13 months, the subject showed reliable following responses to the object that was indicated by the various cues, including glancing alone. Furthermore, additional tests clearly showed that the subject's performance was controlled by the “social” properties of the experimenter-given cues but not by the non-social, local-enhancing peripheral properties.
	Address	Department of Psychology, School of Letters, Nagoya University, Nagoya, Aichi 464-8601, Japan. sokamot@yahoo.co.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:12150035			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2609
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	Author	Zentall, T.R.
	Title	Configural/holistic processing or differential element versus compound similarity			Type	Journal Article
	Year	2005	Publication	Animal cognition	Abbreviated Journal	Anim. Cogn.
	Volume	8	Issue	2	Pages	141-142
	Keywords	Animals; Chickens; Conditioning, Classical; Discrimination Learning; Female; Pattern Recognition, Visual; Photic Stimulation; Visual Perception
	Abstract	Before accepting a configural or holistic account of visual perception, one should be sure that an analytic (elemental) account does not provide an equal or better explanation of the results. I suggest that when one forms a compound of a color and a line orientation with one element previously trained as an S+ and the other as an S-, the resulting transfer found will depend on the relative salience of the two elements, and most important, the similarity of the compound to each of the training stimuli. Thus, if a line orientation is placed on a colored background (a separable compound), it will appear more like the colored field used in training, and color will control responding. However, if the line itself is colored (an integral compound), the compound will appear more like the line used in training, and line orientation will control responding. Not only does this account do a better job of explaining the data but it is simpler and it is testable.
	Address	Department of Psychology, University of Kentucky, Lexington, KY 40506-0044, USA. zentall@uky.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:15449103			Approved	no
	Call Number	refbase @ user @			Serial	229
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	Author	Brazas, M.L.; Shimizu, T.
	Title	Significance of visual cues in choice behavior in the female zebra finch (Taeniopygia guttata castanotis)			Type	Journal Article
	Year	2002	Publication	Animal Cognition	Abbreviated Journal	Anim. Cogn.
	Volume	5	Issue	2	Pages	91-95
	Keywords	Animals; Auditory Perception; Female; Male; Sexual Behavior, Animal; Social Behavior; Songbirds; *Visual Perception; Vocalization, Animal
	Abstract	Female zebra finches show a preference for male zebra finches over heterospecific males based solely on the auditory cues of males, such as songs. The present study was designed to investigate whether females show a similar preference for male zebra finches based solely on visual cues. Using a Y-maze apparatus, social preference of female zebra finches was studied between male zebra finches and male Bengalese finches in three experiments. In experiment 1, where female zebra finches could see and hear live male zebra finches and male Bengalese finches, the females preferred to associate with the male zebra finches. In experiment 2, using a sound-attenuated experimental apparatus, subjects could see, but not hear, male zebra finches and male Bengalese finches. The subjects did not show a significant preference for associating with zebra finches. In experiment 3, as in experiment 2, females could see live male zebra finches and male Bengalese finches in the sound-attenuated chambers. However, in experiment 3, the subjects also heard prerecorded auditory cues (i.e., songs and calls) of male zebra finches, which were presented simultaneously in both arms of the maze. Although the females could not use the auditory cues to identify the location of the male zebra finches, they preferred to associate with the male zebra finches rather than the male Bengalese finches. These results suggest that visual cues alone were effective in initiating choice behaviors by females and that auditory cues facilitate such visually based choice behaviors.
	Address	Department of Psychology, University of South Florida, PCD4118G, 4202 East Fowler Avenue, Tampa, FL 33620, 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	1435-9448	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:12150041			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2603
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	Author	Paukner, A.; Anderson, J.R.; Fujita, K.
	Title	Redundant food searches by capuchin monkeys (Cebus apella): a failure of metacognition?			Type	Journal Article
	Year	2006	Publication	Animal cognition	Abbreviated Journal	Anim. Cogn.
	Volume	9	Issue	2	Pages	110-117
	Keywords	Animals; Appetitive Behavior; Cebus; Concept Formation; Female; Male; Pattern Recognition, Visual; Problem Solving; Visual Perception
	Abstract	This study investigated capuchin monkeys' understanding of their own visual search behavior as a means to gather information. Five monkeys were presented with three tubes that could be visually searched to determine the location of a bait. The bait's visibility was experimentally manipulated, and the monkeys' spontaneous visual searches before tube selection were analyzed. In Experiment 1, three monkeys selected the baited tube significantly above chance; however, the monkeys also searched transparent tubes. In Experiment 2, a bent tube in which food was never visible was introduced. When the bent tube was baited, the monkeys failed to deduce the bait location and responded randomly. They also continued to look into the bent tube despite not gaining any pertinent information from it. The capuchin monkeys' behavior contrasts with the efficient employment of visual search behavior reported in humans, apes and macaques. This difference is consistent with species-related variations in metacognitive abilities, although other explanations are also possible.
	Address	Department of Psychology, University of Stirling, Stirling, FK9 4LA, UK. ap14@stir.ac.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	1435-9448	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:16184375			Approved	no
	Call Number	Admin @ knut @			Serial	15
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	Author	Sekuler, A.B.; Lee, J.A.; Shettleworth, S.J.
	Title	Pigeons do not complete partly occluded figures			Type	Journal Article
	Year	1996	Publication	Perception	Abbreviated Journal	Perception
	Volume	25	Issue	9	Pages	1109-1120
	Keywords	Animals; Columbidae; Visual Perception
	Abstract	One of the most common obstacles to object perception is the fact that objects often occlude parts of themselves and parts of other objects. Perceptual completion has been studied extensively in humans, and researchers have shown that humans do complete partly occluded objects. In an effort to understand more about the mechanisms underlying completion, recent research has extended the study of perceptual completion to other mammalian species. Monkeys and mice also seem to complete two-dimensional representations of partly occluded objects. The present study addresses the question of whether this capacity generalizes to a nonmammalian species, the pigeon (Columba livia). The results point to a limit of the generalizability of perceptual completion: pigeons do not complete partly occluded figures.
	Address	Department of Psychology, University of Toronto, ON, 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	0301-0066	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:8983050			Approved	no
	Call Number	refbase @ user @			Serial	377
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	Author	Sutton, J.E.; Shettleworth, S.J.
	Title	Internal sense of direction and landmark use in pigeons (Columba livia)			Type	Journal Article
	Year	2005	Publication	Journal of comparative psychology (Washington, D.C. : 1983)	Abbreviated Journal	J Comp Psychol
	Volume	119	Issue	3	Pages	273-284
	Keywords	Animals; Columbidae; Conflict (Psychology); Cues; Discrimination Learning; Homing Behavior; Intuition; Orientation; Space Perception; Transfer (Psychology); Visual Perception
	Abstract	The relative importance of an internal sense of direction based on inertial cues and landmark piloting for small-scale navigation by White King pigeons (Columba livia) was investigated in an arena search task. Two groups of pigeons differed in whether they had access to visual cues outside the arena. In Experiment 1, pigeons were given experience with 2 different entrances and all pigeons transferred accurate searching to novel entrances. Explicit disorientation before entering did not affect accuracy. In Experiments 2-4, landmarks and inertial cues were put in conflict or tested 1 at a time. Pigeons tended to follow the landmarks in a conflict situation but could use an internal sense of direction to search when landmarks were unavailable.
	Address	Department of Psychology, University of Toronto, ON, Canada. jsutton7@uwo.ca
	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:16131256			Approved	no
	Call Number	refbase @ user @			Serial	360
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	Author	Collier-Baker, E.; Davis, J.M.; Nielsen, M.; Suddendorf, T.
	Title	Do chimpanzees (Pan troglodytes) understand single invisible displacement?			Type	Journal Article
	Year	2006	Publication	Animal Cognition	Abbreviated Journal	Anim. Cogn.
	Volume	9	Issue	1	Pages	55-61
	Keywords	Animals; Behavior, Animal; Cognition; Male; Pan troglodytes/psychology; Space Perception; Spatial Behavior; Task Performance and Analysis; *Visual Perception
	Abstract	Previous research suggests that chimpanzees understand single invisible displacement. However, this Piagetian task may be solvable through the use of simple search strategies rather than through mentally representing the past trajectory of an object. Four control conditions were thus administered to two chimpanzees in order to separate associative search strategies from performance based on mental representation. Strategies involving experimenter cue-use, search at the last or first box visited by the displacement device, and search at boxes adjacent to the displacement device were systematically controlled for. Chimpanzees showed no indications of utilizing these simple strategies, suggesting that their capacity to mentally represent single invisible displacements is comparable to that of 18-24-month-old children.
	Address	Early Cognitive Development Unit, School of Psychology, University of Queensland, Brisbane, Queensland 4072, Australia. e.collier-baker@psy.uq.edu.au
	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:16163481			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2482
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	Author	Marten, K.; Psarakos, S.
	Title	Using self-view television to distinguish between self-examination and social behavior in the bottlenose dolphin (Tursiops truncatus)			Type	Journal Article
	Year	1995	Publication	Consciousness and Cognition	Abbreviated Journal	Conscious Cogn
	Volume	4	Issue	2	Pages	205-224
	Keywords	Animal Communication; Animals; Attention; Discrimination Learning; Dolphins/psychology; Female; Male; Self Concept; Social Behavior; Television; Visual Perception
	Abstract	In mirror mark tests dolphins twist, posture, and engage in open-mouth and head movements, often repetitive. Because postures and an open mouth are also dolphin social behaviors, we used self-view television as a manipulatable mirror to distinguish between self-examination and social behavior. Two dolphins were exposed to alternating real-time self-view (“mirror mode”) and playback of the same to determine if they distinguished between them. The adult male engaged in elaborate open-mouth behaviors in mirror mode, but usually just watched when played back the same material. Mirror mode behavior was also compared to interacting with real dolphins (controls). Mark tests were conducted, as well as switches from front to side self-views to see if the dolphins turned. They presented marked areas to the self-view television and turned. The results suggest self-examination over social behavior.
	Address	Earthtrust, Kailua, Hawaii 96734, 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	1053-8100	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:8521259			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	4164
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	Author	van der Willigen, R.F.; Frost, B.J.; Wagner, H.
	Title	How owls structure visual information			Type	Journal Article
	Year	2003	Publication	Animal Cognition	Abbreviated Journal	Anim. Cogn.
	Volume	6	Issue	1	Pages	39-55
	Keywords	Animals; Cognition; Depth Perception; Discrimination Learning; Female; Male; Strigiformes; *Visual Perception
	Abstract	Recent studies on perceptual organization in humans claim that the ability to represent a visual scene as a set of coherent surfaces is of central importance for visual cognition. We examined whether this surface representation hypothesis generalizes to a non-mammalian species, the barn owl ( Tyto alba). Discrimination transfer combined with random-dot stimuli provided the appropriate means for a series of two behavioural experiments with the specific aims of (1) obtaining psychophysical measurements of figure-ground segmentation in the owl, and (2) determining the nature of the information involved. In experiment 1, two owls were trained to indicate the presence or absence of a central planar surface (figure) among a larger region of random dots (ground) based on differences in texture. Without additional training, the owls could make the same discrimination when figure and ground had reversed luminance, or were camouflaged by the use of uniformly textured random-dot stereograms. In the latter case, the figure stands out in depth from the ground when positional differences of the figure in two retinal images are combined (binocular disparity). In experiment 2, two new owls were trained to distinguish three-dimensional objects from holes using random-dot kinematograms. These birds could make the same discrimination when information on surface segmentation was unexpectedly switched from relative motion to half-occlusion. In the latter case, stereograms were used that provide the impression of stratified surfaces to humans by giving unpairable image features to the eyes. The ability to use image features such as texture, binocular disparity, relative motion, and half-occlusion interchangeably to determine figure-ground relationships suggests that in owls, as in humans, the structuring of the visual scene critically depends on how indirect image information (depth order, occlusion contours) is allocated between different surfaces.
	Address	Institut fur Biologie II, RWTH Aachen, Kopernikusstrasse 16, 52074, Aachen, Germany. willigen@bio2.rwth-aachen.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:12658534			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2582
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	Author	Anderson, J.R.
	Title	Self-recognition in dolphins: credible cetaceans; compromised criteria, controls, and conclusions			Type	Journal Article
	Year	1995	Publication	Consciousness and Cognition	Abbreviated Journal	Conscious Cogn
	Volume	4	Issue	2	Pages	239-243
	Keywords	Animal Communication; Animals; Awareness; Discrimination Learning; Dolphins/psychology; Female; Male; Orientation; Self Concept; Social Behavior; Television; *Visual Perception
	Abstract
	Address	Laboratoire de Psychophysiologie, CNRS URA 1295, Universite Louis Pasteur, Strasbourg, France
	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	1053-8100	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:8521263			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	4163
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