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Author Yamakoshi G; Sugiyama Y openurl 
  Title (down) Pestle-pounding behavior of wild chimpanzees at Bossou, Guinea: a newly observed tool-using behavior Type Journal Article
  Year 1995 Publication Primates Abbreviated Journal Primates  
  Volume 36 Issue Pages 489  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 3052  
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Author Robinson, T.A.; Foster, T.M.; Temple, W.; Poling, A. url  doi
openurl 
  Title (down) Performance of domestic hens under progressive-ratio schedules of food delivery Type Journal Article
  Year 1995 Publication Behavioural Processes Abbreviated Journal Behav. Process.  
  Volume 34 Issue 3 Pages 233-239  
  Keywords Progressive-ratio schedule; Domestic hen; Behavioral economics; Satiation  
  Abstract Domestic hens were exposed to progressive-ratio 2 and progressive-ratio 10 schedules of food delivery with different initial ratios (2, 10, 20, 30, and 40). Breaking points, defined as the largest ratios completed before responding ceased for 600 consecutive seconds, were recorded under all conditions. In general, breaking points were higher under the PR 10 schedule than under the PR 2 schedule, and the value of the initial ratio did not systematically affect the breaking point. The former finding suggests that relative satiation affected breaking points in the present study, but the latter finding suggests that the primary determinant was the `price' of the reinforcer, defined in terms of the number of responses required to produce it. Breaking points were similar under conditions where initial ratios changed from session to session and under more conventional conditions, where initial ratios remained unchanged over several sessions.  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 3605  
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Author Visalberghi E; Fragaszy DM; Savage-Rumbaugh ES openurl 
  Title (down) Performance in a tool-using task by common chimpanzees (Pan troglodytes), bonobos (Pan paniscus), an orangutan (Pongo pygmaeus), and capuchin monkeys (Cebus apella) Type Journal Article
  Year 1995 Publication J. Comp. Psychol. Abbreviated Journal  
  Volume 109 Issue Pages 52  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 3077  
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Author Clutton-Brock, J. openurl 
  Title (down) Origins of the dog: domestication and early history Type Book Chapter
  Year 1995 Publication The Domestic Dog: Its Evolution, Behaviour and Interactions with People Abbreviated Journal  
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  Publisher Cambridge University Press Place of Publication Cambridge Editor Serpell, J.A.  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Clutton-Brock1995 Serial 6247  
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Author Coussi-Korbel, S.; Fragaszy, D.M. url  doi
openurl 
  Title (down) On the relation between social dynamics and social learning Type Journal Article
  Year 1995 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.  
  Volume 50 Issue 6 Pages 1441-1453  
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  Abstract Experimental studies on social learning in animals have commonly centred on the psychological processes responsible for learning, and neglected social processes as potential influences on both the likelihood of social learning and the type of information that can be acquired socially. A model relating social learning to social dynamics among members of a group is presented. Three key hypotheses of the model are (1) behavioural coordination in time and/or space supports the process of social learning; (2) different kinds of coordination differentially support acquisition of different kinds of information; and (3) the various forms of behavioural coordination will be differentially affected by social dynamics. Several predictions relating inter-individual and group differences in social dynamics to social learning that follow from these hypotheses are presented.  
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  Notes Approved no  
  Call Number refbase @ user @ Serial 568  
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Author Keverne, E.B. url  doi
openurl 
  Title (down) Olfactory learning Type Journal Article
  Year 1995 Publication Current Opinion in Neurobiology Abbreviated Journal Curr. Opin. Neurobiol.  
  Volume 5 Issue 4 Pages 482-488  
  Keywords olfactory perception mammals  
  Abstract Unravelling the mechanisms of learning and memory can, and should, be tackled at many levels. Discovery of the huge family of odourant receptor genes provided olfaction with `molecular' respectability similar to that afforded to the visual system. Consequently, molecular studies have dominated the olfactory literature this past year, even to the point of providing a molecular basis of olfactory perception. Needless to say, the molecular approach favours a `hard-wired' system; however, other results suggest that flexibility in the olfactory system provides for certain adaptations that are crucial to the biological needs of mammals.  
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  Notes Approved no  
  Call Number refbase @ user @ Serial 798  
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Author Houpt, K.A. openurl 
  Title (down) New perspectives on equine stereotypic behaviour Type
  Year 1995 Publication Equine veterinary journal Abbreviated Journal Equine Vet J  
  Volume 27 Issue 2 Pages 82-83  
  Keywords Animals; Horses/*psychology; Stereotyped Behavior/*physiology  
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  Language English Summary Language Original Title  
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  Series Volume Series Issue Edition  
  ISSN 0425-1644 ISBN Medium  
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  Notes PMID:7607153 Approved no  
  Call Number refbase @ user @ Serial 34  
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Author Zentall, T.R.; Roper, K.L.; Sherburne, L.M. doi  openurl
  Title (down) Most directed forgetting in pigeons can be attributed to the absence of reinforcement on forget trials during training or to other procedural artifacts Type Journal Article
  Year 1995 Publication Journal of the experimental analysis of behavior Abbreviated Journal J Exp Anal Behav  
  Volume 63 Issue 2 Pages 127-137  
  Keywords Animals; *Attention; Color Perception; Columbidae; Cues; *Discrimination Learning; *Mental Recall; Motivation; Pattern Recognition, Visual; *Reinforcement Schedule; Retention (Psychology)  
  Abstract In research on directed forgetting in pigeons using delayed matching procedures, remember cues, presented in the delay interval between sample and comparisons, have been followed by comparisons (i.e., a memory test), whereas forget cues have been followed by one of a number of different sample-independent events. The source of directed forgetting in delayed matching to sample in pigeons was examined in a 2 x 2 design by independently manipulating whether or not forget-cue trials in training ended with reinforcement and whether or not forget-cue trials in training included a simultaneous discrimination (involving stimuli other than those used in the matching task). Results were consistent with the hypothesis that reinforced responding following forget cues is sufficient to eliminate performance deficits on forget-cue probe trials. Only when reinforcement was omitted on forget-cue trials in training (whether a discrimination was required or not) was there a decrement in accuracy on forget-cue probe trials. When reinforcement is present, however, the pattern of responding established during and following a forget cue in training may also play a role in the directed forgetting effect. These findings support the view that much of the evidence for directed forgetting using matching procedures may result from motivational and behavioral artifacts rather than the loss of memory.  
  Address Department of Psychology, University of Kentucky, Lexington 40506  
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  Series Volume Series Issue Edition  
  ISSN 0022-5002 ISBN Medium  
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  Notes PMID:7714447 Approved no  
  Call Number refbase @ user @ Serial 256  
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Author Ishida, N.; Oyunsuren, T.; Mashima, S.; Mukoyama, H.; Saitou, N. url  openurl
  Title (down) Mitochondrial DNA sequences of various species of the genus Equus with special reference to the phylogenetic relationship between Przewalskii's wild horse and domestic horse Type Journal Article
  Year 1995 Publication Journal of Molecular Evolution Abbreviated Journal J Mol Evol  
  Volume 41 Issue 2 Pages 180-188  
  Keywords Animals; Base Sequence; Chromosomes; Conserved Sequence/genetics; DNA, Mitochondrial/*genetics; Evolution; Genetic Variation/*genetics; Horses/*genetics; Molecular Sequence Data; *Phylogeny; RNA, Transfer, Pro/genetics; Sequence Alignment; Sequence Analysis, DNA  
  Abstract The noncoding region between tRNAPro and the large conserved sequence block is the most variable region in the mammalian mitochondrial DNA D-loop region. This variable region (ca. 270 bp) of four species of Equus, including Mongolian and Japanese native domestic horses as well as Przewalskii's (or Mongolian) wild horse, were sequenced. These data were compared with our recently published Thoroughbred horse mitochondrial DNA sequences. The evolutionary rate of this region among the four species of Equus was estimated to be 2-4 x 10(-8) per site per year. Phylogenetic trees of Equus species demonstrate that Przewalskii's wild horse is within the genetic variation among the domestic horse. This suggests that the chromosome number change (probably increase) of the Przewalskii's wild horse occurred rather recently.  
  Address Laboratory of Molecular and Cellular Biology, Japan Racing Association, Tokyo  
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  ISSN 0022-2844 ISBN Medium  
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  Notes PMID:7666447 Approved no  
  Call Number Equine Behaviour @ team @ Serial 5042  
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Author Pepperberg IM; Garcia SE; Jackson EC; Marconi S openurl 
  Title (down) Mirror use by African Grey parrots (Psittacus erithacus) Type Journal Article
  Year 1995 Publication J. Comp. Psychol. Abbreviated Journal  
  Volume 109 Issue Pages 182  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 3023  
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