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Author |
Dorrance, B.R.; Zentall, T.R. |
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Title |
Imitation of conditional discriminations in pigeons (Columba livia) |
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Journal Article |
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Year |
2002 |
Publication |
Journal of comparative psychology (Washington, D.C. : 1983) |
Abbreviated Journal |
J Comp Psychol |
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Volume |
116 |
Issue |
3 |
Pages |
277-285 |
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Keywords |
Animals; Behavior, Animal/physiology; Columbidae; Conditioning (Psychology)/*physiology; Discrimination Learning/*physiology; Habituation, Psychophysiologic; *Imitative Behavior; Light; Reinforcement (Psychology) |
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Abstract |
In the present experiments, the 2-action method was used to determine whether pigeons could learn to imitate a conditional discrimination. Demonstrator pigeons (Columba livia) stepped on a treadle in the presence of 1 light and pecked at the treadle in the presence of another light. Demonstration did not seem to affect acquisition of the conditional discrimination (Experiment 1) but did facilitate its reversal of the conditional discrimination (Experiments 2 and 3). The results suggest that pigeons are not only able to learn a specific behavior by observing another pigeon, but they can also learn under which circumstances to perform that behavior. The results have implications for proposed mechanisms of imitation in animals. |
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Department of Psychology, Augustana College, Rock Island, Illinois 61201, USA. psdorrance@augustana.edu |
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0735-7036 |
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PMID:12234078 |
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refbase @ user @ |
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240 |
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Author |
Skov-Rackette, S.I.; Shettleworth, S.J. |
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Title |
What do rats learn about the geometry of object arrays? Tests with exploratory behavior |
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Journal Article |
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Year |
2005 |
Publication |
Journal of experimental psychology. Animal behavior processes |
Abbreviated Journal |
J Exp Psychol Anim Behav Process |
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Volume |
31 |
Issue |
2 |
Pages |
142-154 |
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Keywords |
Animals; Behavior, Animal; *Discrimination Learning; *Exploratory Behavior; Female; *Form Perception; Habituation, Psychophysiologic; Male; Rats; Rats, Long-Evans |
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Abstract |
Six experiments using habituation of exploratory behavior tested whether disoriented rats foraging in a large arena encode the shapes of arrays of objects. Rats did not respond to changes in position of a single object, but they responded to a change in object color and to a change in position of 1 object in a square array, as in previous research (e.g., C. Thinus-Blanc et al., 1987). Rats also responded to an expansion of a square array, suggesting that they encoded sets of interobject distances rather than overall shape. In Experiments 4-6, rats did not respond to changes in sense of a triangular array that maintained interobject distances and angles. Shapes of object arrays are encoded differently from shapes of enclosures. |
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Department of Psychology, University of Toronto, Toronto, ON M5S 3G3, Canada. shannon.skov.rackette@utoronto.ca |
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0097-7403 |
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PMID:15839772 |
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refbase @ user @ |
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363 |
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Shettleworth, S.J.; Sutton, J.E. |
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Title |
Multiple systems for spatial learning: dead reckoning and beacon homing in rats |
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Journal Article |
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Year |
2005 |
Publication |
Journal of experimental psychology. Animal behavior processes |
Abbreviated Journal |
J Exp Psychol Anim Behav Process |
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Volume |
31 |
Issue |
2 |
Pages |
125-141 |
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Keywords |
Animals; Behavior, Animal; Cues; *Feeding Behavior; Habituation, Psychophysiologic; *Homing Behavior; *Learning; Male; Rats; Rats, Long-Evans; *Space Perception |
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Abstract |
Rats homed with food in a large lighted arena. Without visual cues, they used dead reckoning. When a beacon indicated the home, rats could also use the beacon. Homing did not differ in 2 groups of rats, 1 provided with the beacon and 1 without it; tests without the beacon gave no evidence that beacon learning overshadowed dead reckoning (Experiment 1). When the beacon was at the home for 1 group and in random locations for another, there was again no evidence of cue competition (Experiment 2). Dead reckoning experience did not block acquisition of beacon homing (Experiment 3). Beacon learning and dead reckoning do not compete for predictive value but acquire information in parallel and are used hierarchically. |
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Department of Psychology, University of Toronto, Toronto, ON M5S 3G3, Canada. shettle@psych.utoronto.ca |
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0097-7403 |
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PMID:15839771 |
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no |
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Call Number |
refbase @ user @ |
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364 |
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Author |
O'Connell, S.; Dunbar, R.I.M. |
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Title |
The perception of causality in chimpanzees (Pan spp.) |
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Journal Article |
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Year |
2005 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
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Volume |
8 |
Issue |
1 |
Pages |
60-66 |
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Keywords |
Animals; *Association Learning; Awareness; *Concept Formation; Female; *Habituation, Psychophysiologic; Male; Pan paniscus/*psychology; Pan troglodytes/*psychology; Perception |
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Abstract |
Chimpanzees (Pan spp.) were tested on a habituation/dishabituation paradigm that was originally developed to test for comprehension of causality in very young human infants. Three versions of the test were used: a food item being moved by a hand, a human pushing another human off a chair to obtain a food item, and a film clip of natural chimpanzee behaviour (capturing and eating a monkey). Chimpanzees exhibited similar results to those obtained with human infants, with significantly elevated levels of looking on the dishabituation trials. Since the level of response was significantly greater on natural/unnatural sequences than on unnatural/natural sequences, we conclude that the chimpanzees were not responding just to novelty but rather to events that infringed their sense of natural causation. |
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Evolutionary Psychology Research Group, School of Biological Sciences, Biosciences Building, University of Liverpool, Liverpool, L69 7ZB, UK |
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1435-9448 |
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PMID:15322943 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2514 |
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Author |
Santos, L.R.; Miller, C.T.; Hauser, M.D. |
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Title |
Representing tools: how two non-human primate species distinguish between the functionally relevant and irrelevant features of a tool |
Type |
Journal Article |
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Year |
2003 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
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Volume |
6 |
Issue |
4 |
Pages |
269-281 |
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Keywords |
Animals; *Discrimination Learning; Female; Form Perception/*physiology; Habituation, Psychophysiologic/*physiology; Imitative Behavior; Macaca mulatta/*growth & development/*psychology; Male; Motor Skills; Practice (Psychology); Saguinus/*growth & development/*psychology; Species Specificity |
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Few studies have examined whether non-human tool-users understand the properties that are relevant for a tool's function. We tested cotton-top tamarins (Saguinus oedipus) and rhesus macaques (Macaca mulatta) on an expectancy violation procedure designed to assess whether these species make distinctions between the functionally relevant and irrelevant features of a tool. Subjects watched an experimenter use a tool to push a grape down a ramp, and then were presented with different displays in which the features of the original tool (shape, color, orientation) were selectively varied. Results indicated that both species looked longer when a newly shaped stick acted on the grape than when a newly colored stick performed the same action, suggesting that both species perceive shape as a more salient transformation than color. In contrast, tamarins, but not rhesus, attended to changes in the tool's orientation. We propose that some non-human primates begin with a predisposition to attend to a tool's shape and, with sufficient experience, develop a more sophisticated understanding of the features that are functionally relevant to tools. |
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Department of Psychology, Harvard University, Cambridge, MA 02138, USA. laurie.santos@yale.edu |
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1435-9448 |
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PMID:12736800 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2570 |
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Author |
Mitchell, D.; Kirschbaum, E.H.; Perry, R.L. |
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Title |
Effects of neophobia and habituation on the poison-induced avoidance of exteroceptive stimuli in the rat |
Type |
Journal Article |
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Year |
1975 |
Publication |
Journal of Experimental Psychology. Animal Behavior Processes |
Abbreviated Journal |
J Exp Psychol Anim Behav Process |
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Volume |
1 |
Issue |
1 |
Pages |
47-55 |
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Keywords |
Animals; Avoidance Learning/*drug effects; *Awareness; *Cognition; Conditioning, Operant; Feeding Behavior/drug effects; *Habituation, Psychophysiologic; Injections, Intraperitoneal; Lithium/administration & dosage/poisoning; Male; Rats; *Taste; Time Factors; *Visual Perception |
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Abstract |
Two experiments on the role of neophobia in poison-induced aversions to exteroceptive stimuli are reported. In Experiment 1, rats were given either 10 or 25 days of habituation to the test situation prior to conditioning. Those animals with the longer habituation period avoided a complex of novel exteroceptive stimuli while those with the shorter habituation period did not. In Experiment 2 rats initially avoided the more novel of two containers, but gradually came to eat equal amounts from both. A single pairing of toxicosis with consumption from either the novel or the familiar container reinstated the avoidance of the novel container in both cases. The results were discussed in terms of an interaction between habituation and conditioning procedures. It was suggested that previously reported differences between interoceptive and exteroceptive conditioning effects may have been influenced by the differential novelty of the two classes of stimuli in the test situation. It was further suggested that non-contingently poisoned control groups should routinely be included in poison avoidance conditioning studies. |
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0097-7403 |
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PMID:1151289 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2791 |
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Author |
Boughner, R.L.; Papini, M.R. |
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Title |
Appetitive latent inhibition in rats: preexposure performance does not predict conditioned performance |
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Journal Article |
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Year |
2006 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
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72 |
Issue |
1 |
Pages |
42-51 |
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Keywords |
Animals; *Appetitive Behavior; Association Learning; *Conditioning, Classical; *Habituation, Psychophysiologic; Individuality; *Inhibition (Psychology); Male; Motivation; Rats; Rats, Wistar; *Reaction Time |
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Nonreinforced preexposure to a conditioned stimulus impairs subsequent conditioning with that stimulus. The goal of these studies was to assess the extent to which acquisition performance could be predicted from preexposure performance using a correlational approach. For both preexposure and autoshaping, four measures of performance were computed, including overall average lever pressing, lever pressing in the initial session, percentage change in lever pressing, and slopes. These measures were correlated in a large sample of rats trained in an autoshaping situation. None of the three measures of autoshaping performance was consistently predicted by any of the three measures of preexposure performance. These results are consistent with the view that latent inhibition is not reducible to long-term habituation. |
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Department of Psychology, Texas Christian University, TX 76129, United States |
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0376-6357 |
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PMID:16406375 |
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Equine Behaviour @ team @ |
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4147 |
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Nelson, E.E.; Shelton, S.E.; Kalin, N.H. |
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Title |
Individual differences in the responses of naive rhesus monkeys to snakes |
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Journal Article |
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Year |
2003 |
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Emotion (Washington, D.C.) |
Abbreviated Journal |
Emotion |
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3 |
Issue |
1 |
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3-11 |
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Keywords |
Animals; *Arousal; Attention; Escape Reaction; *Fear; Female; Habituation, Psychophysiologic; *Individuality; Macaca mulatta/*psychology; Male; Phobic Disorders/psychology; *Snakes |
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The authors demonstrated individual differences in inhibited behavior and withdrawal responses of laboratory-born rhesus monkeys when initially exposed to a snake. Most monkeys displayed a small significant increase in their behavioral inhibition in the presence of a snake. A few monkeys had marked responses, and some actively withdrew. Although the responses of the most extreme laboratory-born monkeys were comparable to feral-born monkeys, the responses of the laboratory-born monkeys rapidly habituated. The individual differences in the responses of naive monkeys likely reflect a continuum from orienting to wariness to fear. A neurobiological model is presented that addresses potential mechanisms underlying these individual differences, their relation to fear, and how they may predispose to phobia development. |
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Department of Psychiatry, University of Wisconsin-Madison, 53719-1176, USA |
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1528-3542 |
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PMID:12899313 |
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Equine Behaviour @ team @ |
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4174 |
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Author |
Péron, F.; Ward, R.; Burman, O. |
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Title |
Horses (Equus caballus) discriminate body odour cues from conspecifics |
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Journal Article |
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Year |
2013 |
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Abbreviated Journal |
Animal Cognition |
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1-5 |
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Body odour; Discrimination; Equus caballus; Habituation; Social memory |
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Knowledge about social recognition and memory in animals can help us to determine appropriate management and husbandry techniques. In this study, we used a habituation–discrimination procedure to investigate the ability of horses (Equus caballus) to distinguish between the body odour samples of unfamiliar conspecifics. To pick up body odour, we rubbed material on the coat of horses and presented these unknown body odours to 16 different conspecifics of the same sex and similar age. The test consisted of two successive two-min presentations of a sample from one individual (e.g. individual ‘A’) and a simultaneous presentation of samples from individual ‘A’ and a novel individual (e.g. individual ‘B’) during a final third presentation. The results showed that horses, regardless of sex, decreased the time they spent investigating conspecific body odour across the initial two presentations—demonstrating habituation. In the final presentation, the results demonstrated successful discrimination of the previously experienced odour because horses investigated the novel olfactory sample (‘B’) significantly more than the pre-exposed sample (‘A’). Taken together, these findings suggest, for the first time, that horses are able to discriminate two stimuli derived from body odours of unfamiliar conspecifics over short period of time. |
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Springer Berlin Heidelberg |
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Equine Behaviour @ team @ |
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5742 |
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Author |
Schloegl, C.; Kotrschal, K.; Bugnyar, T. |
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Title |
Gaze following in common ravens, Corvus corax: ontogeny and habituation |
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Journal Article |
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Year |
2007 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
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74 |
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4 |
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769-778 |
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Corvus corax; gaze following; habituation; ontogenetic development; raven |
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Co-orientation with others by using their gaze direction is considered to be adaptive for detecting food or predators or monitoring social interactions. Like the great apes, common ravens are capable of following human experimenters' gaze direction not only into distant space but also behind visual barriers. We investigated the ontogenetic development of these abilities by confronting birds with a human foster parent looking up (experiment 1) and behind visual barriers (experiment 3) and their modification by habituation (experiments 2 and 4). We tested a group of 12 hand-reared ravens during their first 10 months of life. Ravens responded to others' look-ups soon after fledging but could track their gaze behind a visual barrier only 4 months later, at the age they usually become independent from their parents. Furthermore, ravens quickly ceased responding to repeated look-ups by the model, but did not habituate to repeated gaze cues directed behind a barrier. Our findings support the idea that the two modes of gaze following reflect different cognitive levels in ravens and, possibly, have different functions. |
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Equine Behaviour @ team @ |
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4204 |
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