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Author Stanley, C.R.; Dunbar, R.I.M.
Title Consistent social structure and optimal clique size revealed by social network analysis of feral goats, Capra hircus Type Journal Article
Year 2013 Publication Anim Behav Abbreviated Journal
Volume 85 Issue Pages
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Call Number (down) Equine Behaviour @ team @ Stanley2013 Serial 6253
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Author Gil, M.; Bhatt, R.; Picotte, K.B.; Hull, E.M.
Title Sexual experience increases oxytocin receptor gene expression and protein in the medial preoptic area of the male rat Type Abstract
Year 2013 Publication Psychoneuroendocrinology Abbreviated Journal Psychoneuroendocrinology
Volume 38 Issue 9 Pages 1688-1697
Keywords Oxytocin; Oxytocin receptor; Sexual behavior; Sexual experience; Medial preoptic area; Hypothalamus; Rats
Abstract Oxytocin (OT) promotes social and reproductive behaviors in mammals, and OT deficits may be linked to disordered social behaviors like autism and severe anxiety. Male rat sexual behavior is an excellent model for OT regulation of behavior, as its pattern and neural substrates are well characterized. We previously reported that OT microinjected into the medial preoptic area (MPOA), a major integrative site for male sexual behavior, facilitates copulation in sexually experienced male rats, whereas intra-MPOA injection of an OT antagonist (OTA) inhibits copulation. In the present studies, copulation on the day of sacrifice stimulated OTR mRNA expression in the MPOA, irrespective of previous sexual experience, with the highest levels observed in first-time copulators. In addition, sexually experienced males had higher levels of OTR protein in the MPOA than sexually naïve males and first-time copulators. Finally, intra-MPOA injection of OT facilitated mating in sexually naive males. Others have reported a positive correlation between OT mRNA levels and male sexual behavior. Our studies show that OT in the MPOA facilitates mating in both sexually naive and experienced males, some of the behavioral effects of OT are mediated by the OTR, and sexual experience is associated with increased OTR expression in the MPOA. Taken together, these data suggest a reciprocal interaction between central OT and behavior, in which OT facilitates copulation and copulation stimulates the OT/OTR system in the brain.
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Publisher Pergamon Press. Place of Publication Editor
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ISSN 0306-4530 ISBN Medium
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Notes Approved no
Call Number (down) Equine Behaviour @ team @ S0306-4530(13)00040-1 Serial 5724
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Author
Title R Foundation for Statistical Computing Type Book Whole
Year 2013 Publication Abbreviated Journal
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Publisher R Foundation for Statistical Computing Place of Publication Vienna, Austria Editor
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Call Number (down) Equine Behaviour @ team @ ref80 Serial 6295
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Author Millot, S.; Nilsson, J.; Fosseidengen, J.E.; Bégout, M.-L.; Fernö, A.; Braithwaite, V.A.; Kristiansen, T.S.
Title Innovative behaviour in fish: Atlantic cod can learn to use an external tag to manipulate a self-feeder Type Journal Article
Year 2013 Publication Animal Cognition Abbreviated Journal
Volume 17 Issue 3 Pages 779-785
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Abstract This study describes how three individual fish, Atlantic cod (Gadus morhua L.), developed a novel behaviour and learnt to use a dorsally attached external tag to activate a self-feeder. This behaviour was repeated up to several hundred times, and over time these fish fine-tuned the behaviour and made a series of goal-directed coordinated movements needed to attach the feeder’s pull string to the tag and stretch the string until the feeder was activated. These observations demonstrate a capacity in cod to develop a novel behaviour utilizing an attached tag as a tool to achieve a goal. This may be seen as one of the very few observed examples of innovation and tool use in fish.
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ISSN 1435-9456 ISBN Medium
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Call Number (down) Equine Behaviour @ team @ Millot2013 Serial 5933
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Author Iliopoulos, Y.; Youlatos, D.; Sgardelis, S.
Title Wolf pack rendezvous site selection in Greece is mainly affected by anthropogenic landscape features Type Journal Article
Year 2013 Publication Eur J Wildl Res Abbreviated Journal
Volume 60 Issue Pages
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Call Number (down) Equine Behaviour @ team @ Iliopoulos2013 Serial 6478
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Author Hopper, L.M.; Price, S.A.; Freeman, H.D.; Lambeth, S.P.; Schapiro, S.J.; Kendal, R.L.
Title Influence of personality, age, sex, and estrous state on chimpanzee problem-solving success Type Journal Article
Year 2013 Publication Animal Cognition Abbreviated Journal Anim. Cogn.
Volume 17 Issue 4 Pages 835-847
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Abstract Despite the importance of individual problem solvers for group- and individual-level fitness, the correlates of individual problem-solving success are still an open topic of investigation. In addition to demographic factors, such as age or sex, certain personality dimensions have also been revealed as reliable correlates of problem-solving by animals. Such correlates, however, have been little-studied in chimpanzees. To empirically test the influence of age, sex, estrous state, and different personality factors on chimpanzee problem-solving, we individually tested 36 captive chimpanzees with two novel foraging puzzles. We included both female (N = 24) and male (N = 12) adult chimpanzees (aged 14–47 years) in our sample. We also controlled for the females’ estrous state—a potential influence on cognitive reasoning—by testing cycling females both when their sexual swelling was maximally tumescent (associated with the luteinizing hormone surge of a female’s estrous cycle) and again when it was detumescent. Although we found no correlation between the chimpanzees’ success with either puzzle and their age or sex, the chimpanzees’ personality ratings did correlate with responses to the novel foraging puzzles. Specifically, male chimpanzees that were rated highly on the factors Methodical, Openness (to experience), and Dominance spent longer interacting with the puzzles. There was also a positive relationship between the latency of females to begin interacting with the two tasks and their rating on the factor Reactivity/Undependability. No other significant correlations were found, but we report tentative evidence for increased problem-solving success by the females when they had detumescent estrous swellings.
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Call Number (down) Equine Behaviour @ team @ Hopper2013 Serial 5932
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Author Herbst, C.T.; Herzel, H.; Svec, J.G.; Wyman, M.T.; Fitch, W.T.
Title Visualization of system dynamics using phasegrams Type Journal Article
Year 2013 Publication J R Soc Interface Abbreviated Journal
Volume 10 Issue Pages
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Call Number (down) Equine Behaviour @ team @ Herbst2013 Serial 6487
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Author Healy, S.D.; Rowe, C.
Title Costs and benefits of evolving a larger brain: doubts over the evidence that large brains lead to better cognition Type Journal Article
Year 2013 Publication Anim Behav Abbreviated Journal
Volume 86 Issue Pages
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Call Number (down) Equine Behaviour @ team @ Healy2013 Serial 6317
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Author Ducatez, S.; Audet, J.N.; Lefebvre, L.
Title Independent appearance of an innovative feeding behaviour in Antillean bullfinches Type Journal Article
Year 2013 Publication Animal Cognition Abbreviated Journal Anim. Cogn.
Volume 16 Issue 3 Pages 525-529
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Abstract Behavioural innovations have been largely documented in birds and are thought to provide advantages in changing environments. However, the mechanisms by which behavioural innovations spread remain poorly known. Two major mechanisms are supposed to play a fundamental role: innovation diffusion by social learning and independent appearance of the same innovation in different individuals. Direct evidence for the independent emergence of the same innovation in different individuals is, however, lacking. Here, we show that a highly localized behavioural innovation previously observed in 2000 in Barbados, the opening of sugar packets by Loxigilla barbadensis bullfinches, persisted more than a decade later and had spread to a limited area around the initial site. More importantly, we found that the same innovation appeared independently in other, more distant, locations on the same island. On the island of St-Lucia, 145 km from Barbados, we also found that the sister species of the Barbados bullfinch, the Lesser Antillean bullfinch Loxigilla noctis developed the same innovation independently. Finally, we found that a third species, the Bananaquit Coereba flaveola, exploited the bullfinches’ technical innovation to benefit from this new food source. Overall, our observations provide the first direct evidence of the independent emergence of the same behavioural innovation in different individuals of the same species, but also in different species subjected to similar anthropogenic food availability.
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Call Number (down) Equine Behaviour @ team @ Ducatez2013 Serial 5934
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Author Briefer, E.F.; McElligott, A.G.
Title Rescued goats at a sanctuary display positive mood after former neglect Type Journal Article
Year 2013 Publication Appl Anim Behav Sci Abbreviated Journal
Volume 146 Issue Pages
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Call Number (down) Equine Behaviour @ team @ Briefer2013 Serial 6287
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