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Author |
Hoff, M.P.; Nadler, R.D.; Maple, T.L. |
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Title |
Development of infant independence in a captive group of lowland gorillas |
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Journal Article |
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Year |
1981 |
Publication |
Developmental Psychobiology |
Abbreviated Journal |
Dev Psychobiol |
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Volume |
14 |
Issue |
3 |
Pages |
251-265 |
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Keywords  |
Animals; *Dependency (Psychology); Female; Gorilla gorilla/*growth & development; Male; Maternal Behavior; *Personality; Sex Factors; Social Behavior; Weaning |
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Abstract |
In March 1976, 3 lowlands gorillas (Gorilla gorilla gorilla) were born to primiparous females living with an adult male in a large compound at the field station of the Yerkes Regional Primate Research Center of Emory University. Observations of parent and infant behavior began at the birth of the infants, using several methods of data collection. This report focuses on the development of independence in these infants over the 1st 1 1/2 years of life. As expected, measures of mother-infant contact and proximity decreased with age. Several measures suggested that infant independence developed as an interactive process between mothers and infants, with primary responsibility changing over the months of study. Maternal behaviors that served to maintain mother-infant contact were found to decrease with age, with an eventual shift to infant responsibility for contact maintenance. Additionally, the adult male appeared to influence developing independence as reflected in the maternal protectiveness evoked by his behavior. |
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0012-1630 |
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PMID:7262467 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4170 |
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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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Abstract |
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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ISSN |
1435-9448 |
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PMID:12736800 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2570 |
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Author |
Branchi, I.; Bichler, Z.; Berger-Sweeney, J.; Ricceri, L. |
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Title |
Animal models of mental retardation: from gene to cognitive function |
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Journal Article |
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Year |
2003 |
Publication |
Neuroscience and Biobehavioral Reviews |
Abbreviated Journal |
Neurosci Biobehav Rev |
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Volume |
27 |
Issue |
1-2 |
Pages |
141-153 |
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Keywords |
Animals; Animals, Genetically Modified/growth & development; Behavior/physiology; Behavior, Animal; Brain/*growth & development; Cognition/*physiology; *Disease Models, Animal; Environment; Genes; Genetic Diseases, Inborn/physiopathology; Humans; Mental Retardation/classification/*genetics/*physiopathology |
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Abstract |
About 2-3% of all children are affected by mental retardation, and genetic conditions rank among the leading causes of mental retardation. Alterations in the information encoded by genes that regulate critical steps of brain development can disrupt the normal course of development, and have profound consequences on mental processes. Genetically modified mouse models have helped to elucidate the contribution of specific gene alterations and gene-environment interactions to the phenotype of several forms of mental retardation. Mouse models of several neurodevelopmental pathologies, such as Down and Rett syndromes and X-linked forms of mental retardation, have been developed. Because behavior is the ultimate output of brain, behavioral phenotyping of these models provides functional information that may not be detectable using molecular, cellular or histological evaluations. In particular, the study of ontogeny of behavior is recommended in mouse models of disorders having a developmental onset. Identifying the role of specific genes in neuropathologies provides a framework in which to understand key stages of human brain development, and provides a target for potential therapeutic intervention. |
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Section of Behavioural Pathophysiology, Laboratorio di Fisiopatologia di Organo e di Sistema, Istituto Superiore di Sanita, Viale Regina Elena 299, 00161 Roma, Italy. branchi@iss.it |
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ISSN |
0149-7634 |
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Notes |
PMID:12732230 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2805 |
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Author |
Ogbourne, C.P. |
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Title |
Variations in the fecundity of strongylid worms of the horse |
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Journal Article |
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Year |
1971 |
Publication |
Parasitology |
Abbreviated Journal |
Parasitology |
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Volume |
63 |
Issue |
2 |
Pages |
289-298 |
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Keywords |
Animals; Animals, Newborn; Ecology; Feces; Female; Horses; Larva/growth & development; Male; Ovum; Parasite Egg Count; Reproduction; Seasons; Strongyle Infections, Equine/*etiology; Strongyloides/*growth & development; Time Factors |
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0031-1820 |
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Notes |
PMID:5129804 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2727 |
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Author |
De Stoppelaire, G.H.; Gillespie, T.W.; Brock, J.C.; Tobin, G.A. |
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Title |
Use of remote sensing techniques to determine the effects of grazing on vegetation cover and dune elevation at Assateague Island National Seashore: impact of horses |
Type |
Journal Article |
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Year |
2004 |
Publication |
Environmental Management |
Abbreviated Journal |
Environ Manage |
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Volume |
34 |
Issue |
5 |
Pages |
642-649 |
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Keywords |
Animals; Animals, Wild; Conservation of Natural Resources; Ecosystem; Environmental Monitoring; *Feeding Behavior; *Horses; Maryland; Plants/*growth & development; Population Dynamics; Silicon Dioxide; *Soil |
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Abstract |
The effects of grazing by feral horses on vegetation and dune topography at Assateague Island National Seashore were investigated using color-infrared imagery, lidar surveys, and field measurements. Five pairs of fenced and unfenced plots (300 m2) established in 1993 on sand flats and small dunes with similar elevation, topography, and vegetation cover were used for this study. Color-infrared imagery from 1998 and field measurements from 2001 indicated that there was a significant difference in vegetation cover between the fenced and unfenced plot-pairs over the study period. Fenced plots contained a higher percentage of vegetation cover that was dominated by American beachgrass (Ammophila breviligulata). Lidar surveys from 1997, 1999, and 2000 showed that there were significant differences in elevation and topography between fenced and unfenced plot-pairs. Fenced plots were, on average, 0.63 m higher than unfenced plots, whereas unfenced plots had generally decreased in elevation after establishment in 1993. Results demonstrate that feral horse grazing has had a significant impact on dune formation and has contributed to the erosion of dunes at Assateague Island. The findings suggest that unless the size of the feral horse population is reduced, grazing will continue to foster unnaturally high rates of dune erosion into the future. In order to maintain the natural processes that historically occurred on barrier islands, much larger fenced exclosures would be required to prevent horse grazing. |
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US Geological Survey, Center for Coastal and Watershed Studies, St. Petersburg, Florida 33701, USA. georgia.destoppelaire@my.FWC.com |
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ISSN |
0364-152X |
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Notes |
PMID:15633024 |
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no |
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Call Number |
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Serial |
1896 |
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Author |
Washino, R.K.; Tempelis, C.H. |
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Title |
Host-feeding patterns of Anopheles freeborni in the Sacramento Valley, California |
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Journal Article |
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Year |
1967 |
Publication |
Journal of Medical Entomology |
Abbreviated Journal |
J Med Entomol |
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Volume |
4 |
Issue |
3 |
Pages |
311-314 |
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Keywords |
Animals; Anopheles/*growth & development; California; Cats; Cattle; Dogs; Ecology; Horses; Humans; *Insect Vectors; Rabbits; Rodentia; Swine |
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0022-2585 |
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PMID:6052143 |
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Call Number |
Equine Behaviour @ team @ |
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2745 |
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Author |
Gomez, J.-C. |
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Title |
Species comparative studies and cognitive development |
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Journal Article |
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Year |
2005 |
Publication |
Trends in Cognitive Sciences |
Abbreviated Journal |
Trends. Cognit. Sci. |
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Volume |
9 |
Issue |
3 |
Pages |
118-125 |
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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 |
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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. |
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Scottish Primate Research Group, School of Psychology, University of St Andrews, St Andrews, Fife KY15 9JU, UK |
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1364-6613 |
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PMID:15737820 |
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Equine Behaviour @ team @ |
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2851 |
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Author |
Stamps, J.A. |
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Title |
Growth-mortality tradeoffs and 'personality traits' in animals |
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Journal Article |
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Year |
2007 |
Publication |
Ecology Letters |
Abbreviated Journal |
Ecol Lett |
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Volume |
10 |
Issue |
5 |
Pages |
355-363 |
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Keywords |
Animals; Behavior, Animal; *Growth; *Mortality; *Personality |
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Abstract |
Consistent individual differences in boldness, reactivity, aggressiveness, and other 'personality traits' in animals are stable within individuals but vary across individuals, for reasons which are currently obscure. Here, I suggest that consistent individual differences in growth rates encourage consistent individual differences in behavior patterns that contribute to growth-mortality tradeoffs. This hypothesis predicts that behavior patterns that increase both growth and mortality rates (e.g. foraging under predation risk, aggressive defense of feeding territories) will be positively correlated with one another across individuals, that selection for high growth rates will increase mean levels of potentially risky behavior across populations, and that within populations, faster-growing individuals will take more risks in foraging contexts than slower-growing individuals. Tentative empirical support for these predictions suggests that a growth-mortality perspective may help explain some of the consistent individual differences in behavioral traits that have been reported in fish, amphibians, reptiles, and other animals with indeterminate growth. |
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University of California, Davis, Davis, CA 95616, USA. jastamps@ucdavis.edu |
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1461-0248 |
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PMID:17498134 |
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Equine Behaviour @ team @ |
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4100 |
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Author |
Polyanskaya, A.I.; Ovchinnikov, V.V. |
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Title |
Rate of growth and size of the brain of the horse mackerel |
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Journal Article |
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Year |
1974 |
Publication |
The Soviet Journal of Ecology |
Abbreviated Journal |
Sov J Ecol |
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4 |
Issue |
3 |
Pages |
256-257 |
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Animals; Body Weight; *Brain; Ecology; Fishes/*growth & development; Genetics, Population; Organ Size |
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0096-7807 |
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PMID:4825911 |
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Equine Behaviour @ team @ |
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2708 |
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Author |
Strickman, D. |
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Title |
Notes on Tabanidae (Diptera) from Paraguay |
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Journal Article |
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Year |
1982 |
Publication |
Journal of Medical Entomology |
Abbreviated Journal |
J Med Entomol |
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Volume |
19 |
Issue |
4 |
Pages |
399-402 |
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Animals; Cattle; Diptera/*growth & development; Dogs; Ecology; Female; Geography; Horses; Humans; Insect Bites and Stings/epidemiology/veterinary; Male; Paraguay |
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0022-2585 |
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PMID:7154018 |
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Call Number |
Equine Behaviour @ team @ |
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2690 |
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