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Author (up) Premack D; Premack AJ openurl 
  Title Levels of causal understanding in chimpanzees and children Type Journal Article
  Year 1994 Publication Cognition Abbreviated Journal  
  Volume 50 Issue Pages 347  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 3072  
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Author (up) Rizhova, L.Y.; Kulagin, D.A. url  doi
openurl 
  Title The effects of corticosteroids on lateral bias in female rats Type Journal Article
  Year 1994 Publication Behavioural Brain Research Abbreviated Journal Behav. Brain. Res.  
  Volume 60 Issue 1 Pages 51-54  
  Keywords Corticosterone; Lateral preference; Estrus cycle; Asymmetry  
  Abstract In Experiment 1 female rats were given one trial per day for 8 days in a T-maze, and their initial direction of choice (left/right) was noted. Vaginal smears were also obtained daily. After this some animals were adrenalectomized and given Ringer's solution; others were adrenalectomozed and given hydrocortisone replacement; a third group was sham adrenalectomized, and a fourth group was an intact control. A week after surgery the animals were again tested for 8 days in the T-maze and vaginal smears were obtained. In Experiment 2 rats were subjected to the same surgical treatments as described above and were then tested for 8 days in the T-maze. In Expt. 1 there was no direction bias among the four groups prior to surgery. However, after surgery the Adrenalectomy + Ringer's group showed a significant increase in their rightward choices in the T-maze. This was also found in Expt. 2. Both adrenalectomized groups in Expt. 1 had a significant reduction in the duration of the estrus phase of their cycle. We conclude that corticosterone can affect lateral preference in a T-maze through a mechanism independent of the hormonal changes involved in the estrus cycle.  
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  ISSN 0166-4328 ISBN Medium  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 5349  
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Author (up) Rubenstein, D. I. isbn  openurl
  Title The ecology of female social behaviour in horses, zebras and asses Type Book Chapter
  Year 1994 Publication Animal Societies Abbreviated Journal Animal Societies  
  Volume Issue Pages 13-28  
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  Publisher Kyoto University Press Place of Publication Editor Jarman, P.J.;, Rositter, A.  
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  Series Volume Series Issue Edition  
  ISSN ISBN 4-87698-014-4 Medium  
  Area Expedition Conference  
  Notes Approved yes  
  Call Number Serial 1528  
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Author (up) Sappington, B.F.; Goldman, L. url  openurl
  Title Discrimination learning and concept formation in the Arabian horse Type Journal Article
  Year 1994 Publication Journal of Animal Science Abbreviated Journal J. Anim Sci.  
  Volume 72 Issue 12 Pages 3080-3087  
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  Abstract Discrimination learning and concept formation abilities were investigated in four mature Arabian horses. A series of two-choice discrimination problems were presented on stimulus panels that could open to allow access to food bowls. Selection of the correct stimulus resulted in food reinforcement, and an incorrect choice was not rewarded. The positions of the correct and incorrect stimuli were varied randomly during each test session, and the criterion for learning each problem was 85% correct for two consecutive sessions of 30 or 40 trials. Testing progressed through six discrimination problems. The first four were simple pattern discriminations, but the last two incorporated several different triangles as correct stimuli and thus involved the concept of triangularity. Two of the subjects successfully completed only simple pattern discriminations, one showed evidence of learning in the first concept problem, and one completed all six tests, including the two concept formation problems. The results demonstrate complex pattern discrimination ability in horses, and suggest that they may also have the ability to form and use concepts in problem solving.  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 3569  
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Author (up) Stevens,J.A. openurl 
  Title Zebras in Turmoil Type Journal Article
  Year 1994 Publication International Wildlife Abbreviated Journal Int Wildl  
  Volume 24 Issue Pages 4-12  
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  Series Volume Series Issue Edition  
  ISSN 0020-9112 ISBN Medium  
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  Notes from Professor Hans Klingels Equine Reference List Approved yes  
  Call Number Serial 1633  
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Author (up) Straatsma, G.; Samson, R.A.; Olijnsma, T.W.; Op Den Camp, H.J.; Gerrits, J.P.; Van Griensven, L.J. openurl 
  Title Ecology of Thermophilic Fungi in Mushroom Compost, with Emphasis on Scytalidium thermophilum and Growth Stimulation of Agaricus bisporus Mycelium Type Journal Article
  Year 1994 Publication Abbreviated Journal Appl Environ Microbiol  
  Volume 60 Issue 2 Pages 454-458  
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  Abstract Twenty-two species of thermophilic fungi were isolated from mushroom compost. Scytalidium thermophilum was present in the compost ingredients, fresh straw, horse droppings, and drainage from compost and dominated the fungal biota of compost after preparation. Of 34 species of thermophilic fungi tested, 9 promoted mycelial growth of Agaricus bisporus on sterilized compost: Chaetomium thermophilum, an unidentified Chaetomium sp., Malbranchea sulfurea, Myriococcum thermophilum, S. thermophilum, Stilbella thermophila, Thielavia terrestris, and two unidentified basidiomycetes. These species will be considered for future experiments on inoculation and more controlled preparation of compost.  
  Address Mushroom [ill] Station, Horst, The Netherlands  
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  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0099-2240 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:16349175 Approved no  
  Call Number Equine Behaviour @ team @ Serial 2664  
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Author (up) Sugiyama Y openurl 
  Title Tool use by wild chimpanzees Type Journal Article
  Year 1994 Publication Nature Abbreviated Journal Nature  
  Volume 376 Issue Pages 327  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 3041  
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Author (up) Thun, R.; Schwarz-Porsche, D. openurl 
  Title Nebennierenrinde Type Book Whole
  Year 1994 Publication Veterinärmedizinische Endokrinologie. Abbreviated Journal  
  Volume Issue 3. Aufl. Pages 309-351  
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  Publisher Verlag Gustav Fischer Place of Publication Jena, Stuttgart Editor F.H.Döcke  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 5998  
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Author (up) Vallortigara, G.; Andrew, R.J. url  doi
openurl 
  Title Differential involvement of right and left hemisphere in individual recognition in the domestic chick Type Journal Article
  Year 1994 Publication Behavioural Processes Abbreviated Journal Behav. Process.  
  Volume 33 Issue 1-2 Pages 41-57  
  Keywords Right hemisphere; Left hemisphere; Domestic fowl; Lateralization; Chick  
  Abstract Right hemisphere advantage in individual recognition (as shown by differences between response to strangers and companions) is clear in the domestic chick. Chicks using the left eye (and so, thanks to the complete optic decussation, predominantly the right hemisphere) discriminate between stranger and companion. Chicks using the right eye discriminate less clearly or not at all. The ability of left eyed chicks to respond to differences between strangers and companions stimuli is associated with a more general ability to detect and respond to novelty: this difference between left and right eyed chicks also holds for stimuli which are not social partners. The right hemisphere also shows advantage in tasks with a spatial component (topographical learning; response to change in the spatial context of a stimulus) in the chick, as in humans. Similar specialisations of the two hemispheres are also revealed in tests which involve olfactory cues presented by social partners. The special properties of the left hemisphere are less well established in the chick. Evidence reviewed here suggests that it tends to respond to selected properties of a stimulus and to use them to assign it to a category; such assignment then allows an appropriate response. When exposed to an imprinting stimulus (visual or auditory) a chick begins by using right eye or ear (suggesting left hemisphere control), and then shifts to the left eye or ear (suggesting right hemisphere control), as exposure continues. The left hemisphere here is thus involved whilst behaviour is dominated by vigorous response to releasing stimuli presented by an object. Subsequent learning about the full detailed properties of the stimulus, which is crucial for individual recognition, may explain the shift to right hemisphere control after prolonged exposure to the social stimulus. There is a marked sex difference in choice tests: females tend to choose companions in tests where males choose strangers. It is possible that this difference is specifically caused by stronger motivation to sustain social contact in female chicks, for which there is extensive evidence. However, sex differences in response to change in familiar stimuli are also marked in tests which do not involve social partners. Finally, in both sexes there are two periods during development in which there age-dependent shifts in bias to use one or other hemisphere. These periods (days 3-5 and 8-11) coincide with two major changes in the social behaviour of chicks reared by a hen in a normal brood. It is argued that one function of these periods is to bring fully into play the hemisphere most appropriate to the type of response to, and learning about, social partners which is needed at particular points in development. Parallels are discussed between the involvement of lateralised processes in the recognition of social partners in chicks and humans.  
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  Series Volume Series Issue Edition  
  ISSN 0376-6357 ISBN Medium  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 5341  
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Author (up) Vlajkoviç, S.; Nikoliç, V.; Nikoliç, A.; Milanoviç, S.žA.; Jankoviç, B.D. url  doi
openurl 
  Title Asymmetrical Modulation of Immune Reactivity in Left- and Right-Biased Rats After Ipsilateral Ablation of the Prefrontal, Parietal and Occipital Brain Neocortex Type Journal Article
  Year 1994 Publication Int J Neurosci Abbreviated Journal International Journal of Neuroscience  
  Volume 78 Issue 1-2 Pages 123-134  
  Keywords Brain asymmetry, brain neocortex, cortical ablation, rotational behavior, rotational bias, immune responses, neuroimmunomodulation, neuroimmunology  
  Abstract We report here on the lateralized brain immunomodulation in male Wistar rats, a phenomenon related to the rotational bias of animal and the site of cortical lesion. Rats assigned to left- and right-rotators in a cylindrical Plexiglass rotometer were subjected to the ablation of the ipsilateral prefrontal cortex (PFC), parietal cortex (PC) and occipital cortex (OC) and sensitized with bovine serum albumin (BSA) in complete Freund's adjuvant. Intact and sham-lesioned left-biased animals demonstrated increased Arthus and delayed hypersensitivity skin reactions and antibody production to BSA in comparison with corresponding right-biased animals. PFC ablation decreased humoral and cellular immune responses to BSA in left- but increased in right-biased rats. Lesioning of PC decreased humoral immune reactions in left- but increased in right-rotating animals. OC ablation failed to produce immunological abnormalities, These results suggest that immunopotentiation is associated with the left neocortex, and immunosuppression with the right neocortex. The prefrontal cortex appears to be particularly associated with immune reactions.  
  Address  
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  Publisher Informa Clin Med Place of Publication Editor  
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  ISSN 0020-7454 ISBN Medium  
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  Notes doi: 10.3109/00207459408986051 Approved no  
  Call Number Equine Behaviour @ team @ Serial 5777  
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