Records |
Author |
Beran, M.J.; Pate, J.L.; Washburn, D.A.; Rumbaugh, D.M. |
Title |
Sequential responding and planning in chimpanzees (Pan troglodytes) and rhesus macaques (Macaca mulatta) |
Type |
Journal Article |
Year |
2004 |
Publication |
Journal of Experimental Psychology. Animal Behavior Processes |
Abbreviated Journal |
J Exp Psychol Anim Behav Process |
Volume |
30 |
Issue |
3 |
Pages |
203-212 |
Keywords |
Animals; *Cognition; Female; Goals; Learning; Macaca mulatta/*psychology; Male; *Mathematics; Pan troglodytes/*psychology; Task Performance and Analysis |
Abstract |
Chimpanzees (Pan troglodytes) and rhesus macaques (Macaca mulatta) selected either Arabic numerals or colored squares on a computer monitor in a learned sequence. On shift trials, the locations of 2 stimuli were interchanged at some point. More errors were made when this interchange occurred for the next 2 stimuli to be selected than when the interchange was for stimuli later in the sequence. On mask trials, all remaining stimuli were occluded after the 1st selection. Performance exceeded chance levels for only 1 selection after these masks were applied. There was no difference in performance for either stimulus type (numerals or colors). The data indicated that the animals planned only the next selection during these computerized tasks as opposed to planning the entire response sequence. |
Address |
Language Research Center, Georgia State University, Atlanta 30303, USA. mjberan@yahoo.com |
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English |
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ISSN |
0097-7403 |
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Notes |
PMID:15279511 |
Approved |
no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2767 |
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Author |
Brannon, E.M.; Terrace, H.S. |
Title |
Representation of the numerosities 1-9 by rhesus macaques (Macaca mulatta) |
Type |
Journal Article |
Year |
2000 |
Publication |
Journal of Experimental Psychology. Animal Behavior Processes |
Abbreviated Journal |
J Exp Psychol Anim Behav Process |
Volume |
26 |
Issue |
1 |
Pages |
31-49 |
Keywords |
Animals; *Cognition; Macaca mulatta/*psychology; *Mathematics; Perception; Reaction Time |
Abstract |
Three rhesus monkeys (Macaca mulatta) were trained to respond to exemplars of 1, 2, 3, and 4 in an ascending, descending, or a nonmonotonic numerical order (1-->2-->3-->4, 4-->3-->2--1, 3-->1-->4-->2). The monkeys were then tested on their ability to order pairs of the novel numerosities 5-9. In Experiment 1, all 3 monkeys ordered novel exemplars of the numerosities 1-4 in ascending or descending order. The attempt to train a nonmonotonic order (3-->1-->4-->2) failed. In Experiment 2A, the 2 monkeys who learned the ascending numerical rule ordered pairs of the novel numerosities 5-9 on unreinforced trials. The monkey who learned the descending numerical rule failed to extrapolate the descending rule to new numerosities. In Experiment 2B all 3 monkeys ordered novel exemplars of pairs of the numerosities 5-9. Accuracy and latency of responding revealed distance and magnitude effects analogous to previous findings with human participants (R. S. Moyer & T. K. Landaeur, 1967). Collectively these studies show that monkeys represent the numerosities 1-9 on at least an ordinal scale. |
Address |
Department of Psychology, Columbia University, New York, New York 10027, USA. liz@psych.columbia.edu |
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0097-7403 |
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Notes |
PMID:10650542 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2775 |
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Author |
Griffin, D.R. |
Title |
Animals know more than we used to think |
Type |
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Year |
2001 |
Publication |
Proceedings of the National Academy of Sciences of the United States of America |
Abbreviated Journal |
Proc. Natl. Acad. Sci. U.S.A. |
Volume |
98 |
Issue |
9 |
Pages |
4833-4834 |
Keywords |
Animal Communication; Animals; Attention/physiology; Brain/physiology; Choice Behavior/physiology; Cognition/*physiology; Humans; Macaca mulatta/physiology/*psychology; Memory/*physiology; Optic Disk/physiology; Psychological Tests |
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English |
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ISSN |
0027-8424 |
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Notes |
PMID:11320232 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2823 |
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Author |
Hampton, R.R. |
Title |
Rhesus monkeys know when they remember |
Type |
Journal Article |
Year |
2001 |
Publication |
Proceedings of the National Academy of Sciences of the United States of America |
Abbreviated Journal |
Proc. Natl. Acad. Sci. U.S.A. |
Volume |
98 |
Issue |
9 |
Pages |
5359-5362 |
Keywords |
Animals; Choice Behavior/physiology; Cognition/*physiology; Cues; Food Preferences/psychology; Macaca mulatta/*physiology/*psychology; Male; Memory/*physiology; Probability; Psychological Tests; Reproducibility of Results; Sensitivity and Specificity |
Abstract |
Humans are consciously aware of some memories and can make verbal reports about these memories. Other memories cannot be brought to consciousness, even though they influence behavior. This conspicuous difference in access to memories is central in taxonomies of human memory systems but has been difficult to document in animal studies, suggesting that some forms of memory may be unique to humans. Here I show that rhesus macaque monkeys can report the presence or absence of memory. Although it is probably impossible to document subjective, conscious properties of memory in nonverbal animals, this result objectively demonstrates an important functional parallel with human conscious memory. Animals able to discern the presence and absence of memory should improve accuracy if allowed to decline memory tests when they have forgotten, and should decline tests most frequently when memory is attenuated experimentally. One of two monkeys examined unequivocally met these criteria under all test conditions, whereas the second monkey met them in all but one case. Probe tests were used to rule out “cueing” by a wide variety of environmental and behavioral stimuli, leaving detection of the absence of memory per se as the most likely mechanism underlying the monkeys' abilities to selectively decline memory tests when they had forgotten. |
Address |
Section on the Neurobiology of Learning and Memory, Laboratory of Neuropsychology, National Institute of Mental Health, Building 49, Room 1B-80, Bethesda, MD 20892, USA. robert@ln.nimh.nih.gov |
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English |
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0027-8424 |
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Notes |
PMID:11274360 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2824 |
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Author |
Corr, J.A. |
Title |
Nuns and monkeys: investigating the behavior of our oldest old |
Type |
Journal Article |
Year |
2004 |
Publication |
Science of Aging Knowledge Environment : SAGE KE |
Abbreviated Journal |
Sci Aging Knowledge Environ |
Volume |
2004 |
Issue |
41 |
Pages |
pe38 |
Keywords |
Aged; Aged, 80 and over/*physiology; Aging/*physiology; Animals; Behavior/*physiology; Humans; Macaca mulatta |
Abstract |
The use of nonhuman primates, particularly rhesus macaques (Macaca mulatta), as the best model for human physiological and cognitive aging is broadly accepted. Studies employing nonhuman primates to investigate behavioral changes that may occur with increasing age, however, are not common mostly because of the unavailability of appropriate subjects. Recent longitudinal human studies suggest that individual personality might play a large role in aging “successfully” and in the retention of high levels of cognition into old age. As a result of the demographic trend of increasing numbers of aged monkeys and apes in captivity, an opportunity exists to further investigate behavioral aging using the monkey model. |
Address |
Department of Anthropology, Grand Valley State University, Allendale, MI 49401, USA. corrj@gvsu.edu |
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ISSN |
1539-6150 |
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Notes |
PMID:15483334 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2828 |
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Author |
Subiaul, F.; Cantlon, J.F.; Holloway, R.L.; Terrace, H.S. |
Title |
Cognitive imitation in rhesus macaques |
Type |
Journal Article |
Year |
2004 |
Publication |
Science (New York, N.Y.) |
Abbreviated Journal |
Science |
Volume |
305 |
Issue |
5682 |
Pages |
407-410 |
Keywords |
Animals; *Cognition; *Imitative Behavior; *Learning; Macaca mulatta/*physiology/psychology; Male |
Abstract |
Experiments on imitation typically evaluate a student's ability to copy some feature of an expert's motor behavior. Here, we describe a type of observational learning in which a student copies a cognitive rule rather than a specific motor action. Two rhesus macaques were trained to respond, in a prescribed order, to different sets of photographs that were displayed on a touch-sensitive monitor. Because the position of the photographs varied randomly from trial to trial, sequences could not be learned by motor imitation. Both monkeys learned new sequences more rapidly after observing an expert execute those sequences than when they had to learn new sequences entirely by trial and error. |
Address |
Department of Anthropology, Columbia University, New York, NY 10027, USA. subiaul@aol.com |
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English |
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ISSN |
1095-9203 |
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Notes |
PMID:15256673 |
Approved |
no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2839 |
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Author |
Williams, N. |
Title |
Evolutionary psychologists look for roots of cognition |
Type |
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Year |
1997 |
Publication |
Science (New York, N.Y.) |
Abbreviated Journal |
Science |
Volume |
275 |
Issue |
5296 |
Pages |
29-30 |
Keywords |
Animals; *Behavior, Animal; Birds; *Cognition; *Evolution; Female; Humans; Macaca mulatta/psychology; Male; Memory; Reward; *Social Sciences |
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English |
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ISSN |
0036-8075 |
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Notes |
PMID:8999531 |
Approved |
no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2845 |
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Author |
Gomez, J.-C. |
Title |
Species comparative studies and cognitive development |
Type |
Journal Article |
Year |
2005 |
Publication |
Trends in Cognitive Sciences |
Abbreviated Journal |
Trends. Cognit. Sci. |
Volume |
9 |
Issue |
3 |
Pages |
118-125 |
Keywords |
Animals; Attention/physiology; Brain/*growth & development; Child, Preschool; Cognition/*physiology; Concept Formation/physiology; Dogs; Evolution; Fixation, Ocular; Gorilla gorilla; Humans; Infant; Learning/*physiology; Macaca mulatta; Mental Recall/physiology; Personal Construct Theory; Psychomotor Performance/physiology; Species Specificity |
Abstract |
The comparative study of infant development and animal cognition brings to cognitive science the promise of insights into the nature and origins of cognitive skills. In this article, I review a recent wave of comparative studies conducted with similar methodologies and similar theoretical frameworks on how two core components of human cognition--object permanence and gaze following--develop in different species. These comparative findings call for an integration of current competing accounts of developmental change. They further suggest that evolution has produced developmental devices capable at the same time of preserving core adaptive components, and opening themselves up to further adaptive change, not only in interaction with the external environment, but also in interaction with other co-developing cognitive systems. |
Address |
Scottish Primate Research Group, School of Psychology, University of St Andrews, St Andrews, Fife KY15 9JU, UK |
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English |
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ISSN |
1364-6613 |
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Notes |
PMID:15737820 |
Approved |
no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2851 |
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Author |
Matzke, S.M.; Oubre, J.L.; Caranto, G.R.; Gentry, M.K.; Galbicka, G. |
Title |
Behavioral and immunological effects of exogenous butyrylcholinesterase in rhesus monkeys |
Type |
Journal Article |
Year |
1999 |
Publication |
Pharmacology, Biochemistry, and Behavior |
Abbreviated Journal |
Pharmacol Biochem Behav |
Volume |
62 |
Issue |
3 |
Pages |
523-530 |
Keywords |
Animals; Antibody Formation/drug effects; Behavior, Animal/*drug effects; Butyrylcholinesterase/*immunology/pharmacokinetics/*pharmacology; Cognition/drug effects; Color Perception/drug effects; Conditioning, Operant/drug effects; Discrimination Learning/drug effects; Half-Life; Horses; Humans; Macaca mulatta; Male |
Abstract |
Although conventional therapies prevent organophosphate (OP) lethality, laboratory animals exposed to such treatments typically display behavioral incapacitation. Pretreatment with purified exogenous human or equine serum butyrylcholinesterase (Eq-BuChE), conversely, has effectively prevented OP lethality in rats and rhesus monkeys, without producing the adverse side effects associated with conventional treatments. In monkeys, however, using a commercial preparation of Eq-BuChE has been reported to incapacitate responding. In the present study, repeated administration of commercially prepared Eq-BuChE had no systematic effect on behavior in rhesus monkeys as measured by a six-item serial probe recognition task, despite 7- to 18-fold increases in baseline BuChE levels in blood. Antibody production induced by the enzyme was slight after the first injection and more pronounced following the second injection. The lack of behavioral effects, the relatively long in vivo half-life, and the previously demonstrated efficacy of BuChE as a biological scavenger for highly toxic OPs make BuChE potentially more effective than current treatment regimens for OP toxicity. |
Address |
Walter Reed Army Institute of Research, Washington, DC 20307-5100, USA |
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ISSN |
0091-3057 |
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Notes |
PMID:10080246 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
4064 |
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Author |
Capitanio, J.P.; Widaman, K.F. |
Title |
Confirmatory factor analysis of personality structure in adult male rhesus monkeys (Macaca mulatta) |
Type |
Journal Article |
Year |
2005 |
Publication |
American journal of primatology |
Abbreviated Journal |
Am. J. Primatol. |
Volume |
65 |
Issue |
3 |
Pages |
289-294 |
Keywords |
Animals; *Behavior, Animal; Macaca mulatta/*psychology; Male; *Personality; Psychometrics; Social Behavior |
Abstract |
Reports from different laboratories have suggested that nonhuman primates have somewhat similar dimensions of personality. To date, however, no attempts have been made to statistically replicate a specific factor structure. In the present report, two independent observers recorded the behavior of 58 adult male rhesus monkeys, and then rated the animals with the use of a 50-item personality instrument. A confirmatory factor analysis (CFA) of the ratings resulted in the replication of a previously described four-factor personality structure [Maninger et al., American Journal of Primatology 61:73-83, 2003]. The first two dimensions-Sociability and Confidence-showed strong loadings and are similar to Affiliation and Agency dimensions in humans. The remaining dimensions-Equability and Irritability-were less clear, and it is possible that additional traits will have to be identified before a more robust structure can be established for these dimensions. |
Address |
Department of Psychology, University of California-Davis, Davis, California 95616, USA. jpcapitanio@ucdavis.edu |
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Edition |
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0275-2565 |
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Notes |
PMID:15772988 |
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no |
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Equine Behaviour @ team @ |
Serial |
4111 |
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