| Records |
| Author |
Matsuzawa, T. |
| Title |
The Ai project: historical and ecological contexts |
Type |
Journal Article |
| Year |
2003 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
6 |
Issue |
4 |
Pages |
199-211 |
| Keywords |
Adaptation, Psychological; Animals; *Behavior, Animal; *Cognition; *Culture; Discrimination Learning; Ecology; Female; History, 20th Century; Imitative Behavior; *Learning; Male; Pan troglodytes/*psychology; Research/history |
Abstract  |
This paper aims to review a long-term research project exploring the chimpanzee mind within historical and ecological contexts. The Ai project began in 1978 and was directly inspired by preceding ape-language studies conducted in Western countries. However, in contrast with the latter, it has focused on the perceptual and cognitive capabilities of chimpanzees rather than communicative skills between humans and chimpanzees. In the original setting, a single chimpanzee faced a computer-controlled apparatus and performed various kinds of matching-to-sample discrimination tasks. Questions regarding the chimpanzee mind can be traced back to Wolfgang Koehler's work in the early part of the 20th century. Yet, Japan has its unique natural and cultural background: it is home to an indigenous primate species, the Japanese snow monkey. This fact has contributed to the emergence of two previous projects in the wild led by the late Kinji Imanishi and his students. First, the Koshima monkey project began in 1948 and became famous for its discovery of the cultural propagation of sweet-potato washing behavior. Second, pioneering work in Africa, starting in 1958, aimed to study great apes in their natural habitat. Thanks to the influence of these intellectual ancestors, the present author also undertook the field study of chimpanzees in the wild, focusing on tool manufacture and use. This work has demonstrated the importance of social and ecological perspectives even for the study of the mind. Combining experimental approaches with a field setting, the Ai project continues to explore cognition and behavior in chimpanzees, while its focus has shifted from the study of a single subject toward that of the community as a whole. |
| Address |
Section of Language and Intelligence, Primate Research Institute, Kyoto University, Japan. matsuzaw@pri.kyoto-u.ac.jp |
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English |
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1435-9448 |
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| Notes |
PMID:14566577 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2552 |
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| Author |
Aureli, F.; de Waal, F.B. |
| Title |
Inhibition of social behavior in chimpanzees under high-density conditions |
Type |
Journal Article |
| Year |
1997 |
Publication |
American journal of primatology |
Abbreviated Journal |
Am. J. Primatol. |
| Volume |
41 |
Issue |
3 |
Pages |
213-228 |
| Keywords |
Aggression/*psychology; Animals; *Behavior, Animal; *Crowding; Female; Male; Pan troglodytes/*psychology; Population Density; *Social Environment; Stress, Psychological |
| Abstract |
This is the first study to investigate the short-term effects of high population density on captive chimpanzees (Pan troglodytes). Subjects of the study were 45 chimpanzees living in five different groups at the Yerkes Regional Primate Research Center. The groups were observed under two conditions: 1) when they had access to both the indoor and outdoor sections of their enclosures; 2) during cold days when they were locked into the indoor runs, which reduced the available space by more than half. Under the high-density condition, allogrooming and submissive greetings decreased, but juvenile play increased. Remarkably, the rate of various forms of agonistic behavior, such as aggression, bluff charge, bluff display, and hooting, occurred less frequently under the high-density condition. This general decrease in adult social activity, including agonistic behavior, can be interpreted as an inhibition strategy to reduce opportunities for conflict when interindividual distances are reduced. This strategy is probably effective only in the short run, however. Behavioral indicators of anxiety, such as rough scratching and yawning, showed elevated rates, suggesting increased social tension under the high-density condition. |
| Address |
Yerkes Regional Primate Research Center, Emory University, Atlanta, GA 30322, USA |
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English |
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Edition |
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| ISSN |
0275-2565 |
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| Notes |
PMID:9057966 |
Approved |
no |
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refbase @ user @ |
Serial |
203 |
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| Author |
Held, S.; Baumgartner, J.; Kilbride, A.; Byrne, R.W.; Mendl, M. |
| Title |
Foraging behaviour in domestic pigs (Sus scrofa): remembering and prioritizing food sites of different value |
Type |
Journal Article |
| Year |
2005 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
8 |
Issue |
2 |
Pages |
114-121 |
| Keywords |
Animals; *Appetitive Behavior; *Association Learning; Feeding Behavior/*psychology; Female; *Space Perception; Sus scrofa/*psychology |
| Abstract |
This experiment investigated whether domestic pigs can remember the locations of food sites of different relative value, and how a restricted retrieval choice affects their foraging behaviour. Nine juvenile female pigs were trained to relocate two food sites out of a possible eight in a spatial memory task. The two baited sites contained different amounts of food and an obstacle was added to the smaller amount to increase handling time. On each trial, a pig searched for the two baited sites (search visit). Once it had found and eaten the bait, it returned for a second (relocation) visit, in which the two same sites were baited. Baited sites were changed between trials. All subjects learnt the task. When allowed to retrieve both baits, the subjects showed no preference for retrieving a particular one first (experiment 1). When they were allowed to retrieve only one bait, a significant overall preference for retrieving the larger amount emerged across subjects (experiment 2). To test whether this preference reflected an avoidance of the obstacle with the smaller bait, 15 choice-restricted control trials were conducted. In control trials obstacles were present with both baits. Pigs continued to retrieve the larger bait, indicating they had discriminated between the two food sites on the basis of quantity or profitability and adjusted their behaviour accordingly when the relocation choice was restricted. This suggests for the first time that domestic pigs have the ability to discriminate between food sites of different relative value and to remember their respective locations. |
| Address |
Department of Clinical Veterinary Science, Centre for Behavioural Biology, University of Bristol, Langford, BS40 5DU, UK. suzanne.held@bris.ac.uk |
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English |
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Edition |
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1435-9448 |
ISBN |
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| Notes |
PMID:15871038 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2487 |
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| Author |
Zentall, T.R. |
| Title |
Selective and divided attention in animals |
Type |
Journal Article |
| Year |
2005 |
Publication |
Behavioural processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
69 |
Issue |
1 |
Pages |
1-15 |
| Keywords |
Animals; *Attention; *Behavior, Animal; *Discrimination (Psychology); *Field Dependence-Independence; *Psychological Theory |
| Abstract |
This article reviews some of the research on attentional processes in animals. In the traditional approach to selective attention, it is proposed that in addition to specific response attachments, animals also learn something about the dimension along which the stimuli fall (e.g., hue, brightness, or line orientation). More recently, there has been an attempt to find animal analogs to methodologies originally applied to research with humans. One line of research has been directed to the question of whether animals can locate a target among distracters faster if they are prepared for the presentation of the target (search image and priming). In the study of search image, the target is typically a food item and the cue consists of previous trials on which the same target is presented. In research on priming effects, the cue is typically different from the target but is a good predictor of its occurrence. The study of preattentive processes shows that perceptually, certain stimuli stand out from distracters better than others, depending not only on characteristics of the target relative to the distracters, but also on relations among the distracters. Research on divided attention is examined with the goal of determining whether an animal can process two elements of a compound sample with the same efficiency as one. Taken together, the reviewed research indicates that animals are capable of centrally (not just peripherally) attending to selective aspects of a stimulus display. |
| Address |
Department of Psychology, University of Kentucky, 202B Kastle Hall, Lexington, KY 40506-0044, USA. Zentall@uky.edu |
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English |
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Edition |
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0376-6357 |
ISBN |
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Medium |
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Conference |
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| Notes |
PMID:15795066 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
224 |
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| Author |
Henderson, A.J.Z. |
| Title |
Don't fence me in: managing psychological well being for elite performance horses |
Type |
Journal Article |
| Year |
2007 |
Publication |
Journal of Applied Animal Welfare Science : JAAWS |
Abbreviated Journal |
J. Appl. Anim. Welf. Sci. |
| Volume |
10 |
Issue |
4 |
Pages |
309-329 |
| Keywords |
*Animal Husbandry; Animal Welfare; Animals; *Behavior, Animal; Horses/*psychology; *Physical Conditioning, Animal; *Stereotyped Behavior |
| Abstract |
This article posits that stereotypical behavior patterns and the overall psychological well being of today's performance horse could be substantially enhanced with care that acknowledges the relationship between domesticated horses and their forerunners. Feral horses typically roam in stable, social groups over large grazing territories, spending 16-20 hr per day foraging on mid- to poor-quality roughage. In contrast, today's elite show horses live in relatively small stalls, eat a limited-but rich-diet at specific feedings, and typically live in social isolation. Although the horse has been domesticated for more than 6000 years, there has been no selection for an equid who no longer requires an outlet for these natural behaviors. Using equine stereotypies as a welfare indicator, this researcher proposes that the psychological well being of today's performance horse is compromised. Furthermore, the article illustrates how minimal management changes can enhance horses' well being while still remaining compatible with the requirements of the sport-horse industry. The article discusses conclusions in terms of Fraser, Weary, Pajor, and Milligan's “integrative welfare model” (1997). |
| Address |
Department of Psychology, Simon Fraser University, Burnaby, British Columbia, Canada. zamoyska@shaw.ca |
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English |
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| ISSN |
1088-8705 |
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| Notes |
PMID:17970632 |
Approved |
no |
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Equine Behaviour @ team @ |
Serial |
4363 |
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| Author |
Hirata, S.; Celli, M.L. |
| Title |
Role of mothers in the acquisition of tool-use behaviours by captive infant chimpanzees |
Type |
Journal Article |
| Year |
2003 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
6 |
Issue |
4 |
Pages |
235-244 |
| Keywords |
Animals; Cooking and Eating Utensils; Feeding Behavior; Female; Imitative Behavior/*physiology; Male; Mothers/*psychology; Motor Skills/*physiology; Pan troglodytes/*growth & development/*psychology; Problem Solving/*physiology |
| Abstract |
This article explores the maternal role in the acquisition of tool-use behaviours by infant chimpanzees ( Pan troglodytes). A honey-fishing task, simulating ant/termite fishing found in the wild, was introduced to three dyads of experienced mother and naive infant chimpanzees. Four fishing sites and eight sets of 20 objects to be used as tools, not all appropriate, were available. Two of the mothers constantly performed the task, using primarily two kinds of tools; the three infants observed them. The infants, regardless of the amount of time spent observing, successfully performed the task around the age of 20-22 months, which is earlier than has been recorded in the wild. Two of the infants used the same types of tools that the adults predominantly used, suggesting that tool selectivity is transmitted. The results also show that adults are tolerant of infants, even if unrelated; infants were sometimes permitted to lick the tools, or were given the tools, usually without honey, as well as permitted to observe the adult performances closely. |
| Address |
Primate Research Institute, Kyoto University, Inuyama, Kanrin, 484-8506 Aichi, Japan. hirata@gari.be.to |
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English |
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1435-9448 |
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| Notes |
PMID:13680401 |
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no |
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Equine Behaviour @ team @ |
Serial |
2555 |
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| Author |
Watanabe, S. |
| Title |
How animal psychology contributes to animal welfare |
Type |
Journal Article |
| Year |
2007 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
| Volume |
106 |
Issue |
4 |
Pages |
193-202 |
| Keywords |
Animal welfare; Anthropomorphism; Animal psychology; Reinforcement; Socially constructed concept |
| Abstract |
This article explores the contribution of animal psychology to animal welfare. Since animal welfare includes subjective welfare, it is crucial to know the subjective world of animals. Analysis of the concept of anthropomorphism is particularly important because it is a basic idea of animal ethics. The history of animal psychology, focusing on anthropomorphism and behaviourism, is briefly described, and then measurement of the subjective experience of animals in two ways, namely animal cognition and pleasure or reinforcing effects, is reported. Finally, it is suggested that animal welfare is not a permanently fixed idea, but a socially constructed one that can be changed. To gain widespread agreement about a socially constructed idea, it is important to know in which circumstances ordinary people employ metaphorical extension to an understanding of animal behaviour. In other words, a survey of “folk animal psychology” is important in order to establish a consensus about animal welfare. |
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no |
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Equine Behaviour @ team @ |
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2888 |
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| Author |
Bernstein, I.S.; Dobrofsky, M. |
| Title |
Compensatory social responses of older pigtailed monkeys to maternal separation |
Type |
Journal Article |
| Year |
1981 |
Publication |
Developmental Psychobiology |
Abbreviated Journal |
Dev Psychobiol |
| Volume |
14 |
Issue |
2 |
Pages |
163-168 |
| Keywords |
Animals; Dependency (Psychology); Female; Macaca nemestrina; Male; *Maternal Deprivation; *Social Behavior |
| Abstract |
Thirteen 3-5-year-old pigtailed monkeys were subjected to five 2-hr maternal separations while remaining in their normal social group. Significant changes in activity profiles were noted during separation and reunion phases. This suggests the continued social dependence of older offspring upon the matriarch. The shift in social activities reflected attempts by the juvenile and adolescent subjects to compensate for maternal absence by intensification of other affiliative social behavior and avoidance of potentially socially disruptive situation. The subjects oriented more towards kin in the absence of the matriarch, but actual time with kin decreased. Upon the return of the matriarch, the intensified some responses depressed during her absence and returned to preseparation social relationships. Play and aggressive responses declined whereas social approaches increased during maternal absences. Submissive responses declined upon the return of the matriarch, and play increased. The subjects also showed a marked, temporary increase of direct interaction, largely sniffing and grooming, with the matriarch upon her return. |
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English |
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0012-1630 |
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| Notes |
PMID:7202854 |
Approved |
no |
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Equine Behaviour @ team @ |
Serial |
4171 |
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Preston, S.D.; de Waal, F.B.M. |
| Title |
Empathy: Its ultimate and proximate bases |
Type |
Journal Article |
| Year |
2002 |
Publication |
Behavioral and Brain Sciences |
Abbreviated Journal |
Behav Brain Sci |
| Volume |
25 |
Issue |
1 |
Pages |
1-20; discussion 20-71 |
| Keywords |
Adult; Animals; Child; Emotions/physiology; *Empathy; Evolution; Haplorhini; Helping Behavior; Humans; Mental Disorders/physiopathology/psychology; Morals; Personality Development; Phylogeny; Prefrontal Cortex/physiopathology; Socialization |
| Abstract |
There is disagreement in the literature about the exact nature of the phenomenon of empathy. There are emotional, cognitive, and conditioning views, applying in varying degrees across species. An adequate description of the ultimate and proximate mechanism can integrate these views. Proximately, the perception of an object's state activates the subject's corresponding representations, which in turn activate somatic and autonomic responses. This mechanism supports basic behaviors (e.g., alarm, social facilitation, vicariousness of emotions, mother-infant responsiveness, and the modeling of competitors and predators) that are crucial for the reproductive success of animals living in groups. The Perception-Action Model (PAM), together with an understanding of how representations change with experience, can explain the major empirical effects in the literature (similarity, familiarity, past experience, explicit teaching, and salience). It can also predict a variety of empathy disorders. The interaction between the PAM and prefrontal functioning can also explain different levels of empathy across species and age groups. This view can advance our evolutionary understanding of empathy beyond inclusive fitness and reciprocal altruism and can explain different levels of empathy across individuals, species, stages of development, and situations. |
| Address |
University of Iowa Hospital and Clinics, 2RCP-Neurology Clinic, Iowa City, IA 52242. stephanie-d-preston@uiowa.edu |
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0140-525X |
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PMID:12625087 |
Approved |
no |
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refbase @ user @ |
Serial |
181 |
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McGreevy, P.D.; Richardson, J.D.; Nicol, C.J.; Lane, J.G. |
| Title |
Radiographic and endoscopic study of horses performing an oral based stereotypy |
Type |
Journal Article |
| Year |
1995 |
Publication |
Equine veterinary journal |
Abbreviated Journal |
Equine Vet J |
| Volume |
27 |
Issue |
2 |
Pages |
92-95 |
| Keywords |
Animals; Endoscopy/*veterinary; Esophagus/physiopathology/radiography; Female; Fluoroscopy/veterinary; Horse Diseases/physiopathology/*psychology/radiography; Horses; Male; Pharynx/physiopathology/radiography; *Stereotyped Behavior; Video Recording |
| Abstract |
There is confusion in the veterinary literature concerning the definition of oral based stereotypies in the horse. This study reports the use of fluoroscopy and endoscopy during cribbiting/wind-sucking in afflicted horses. This permitted observations of movements of the pharyngeal and oesophageal tissues and of the air column within during the stereotypic behaviour. The findings reported show that the sequence of events during crib-biting/wind-sucking is not related to deglutition and that air is not swallowed to the stomach. Transient dilation of the upper oesophagus was recorded and the characteristic noise of wind-sucking coincided with the in-rush of air through the cricopharynx. The oesophageal distension was relieved when the air returned to the pharynx although small quantities passed caudally. It is proposed that the role of contraction of the strap muscles of the neck is to create a pressure gradient in the soft tissues surrounding the oesophagus which provokes movement of air from the pharynx into the oesophagus. The findings suggest that the definitions currently used in the sale of horses are in need of revision. |
| Address |
Department of Clinical Veterinary Science, University of Bristol, Langford, UK |
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English |
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Edition |
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0425-1644 |
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| Notes |
PMID:7607156 |
Approved |
no |
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refbase @ user @ |
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90 |
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