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Equine and Animal Cognition Reference Database

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Author Rands, S.A. url  doi
openurl 
  Title (down) Group-movement [`]initiation' and state-dependent decision-making Type Journal Article
  Year 2010 Publication Behavioural Processes Abbreviated Journal Behav. Process.  
  Volume 84 Issue 3 Pages 668-670  
  Keywords Decision-making; State-dependence; Dynamic programming; Co-operation  
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  Call Number Equine Behaviour @ team @ Serial 5087  
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Author Mercado E.; Killebrew D.A.; Pack A.A.; Macha I.V.B.; Herman L.M. doi  openurl
  Title (down) Generalization of 'same-different' classification abilities in bottlenosed dolphins Type Journal Article
  Year 2000 Publication Behavioural Processes Abbreviated Journal Behav. Process.  
  Volume 50 Issue Pages 79-94  
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  Call Number refbase @ user @ Serial 3479  
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Author Schmidt, J.; Scheid, C.; Kotrschal, K.; Bugnyar, T.; Schloegl, C. url  doi
openurl 
  Title (down) Gaze direction – A cue for hidden food in rooks (Corvus frugilegus)? Type Journal Article
  Year 2011 Publication Behavioural Processes Abbreviated Journal  
  Volume 88 Issue 2 Pages 88-93  
  Keywords Gaze; Object choice; Corvids; Effort; Rooks  
  Abstract Other individual's head- and eye-directions can be used as social cues indicating the presence of important events. Among birds, ravens and rooks have been shown to co-orient with conspecifics and with humans by following their gaze direction into distant space and behind visual screens. Both species use screens to cache food in private; also, it had been suggested that they may rely on gaze cues to detect hidden food. However, in an object-choice task, ravens failed to do so, and their competitive lifestyle may have prevented them from relying on these cues. Here we tested closely related and cooperative rooks. Food was hidden in one of two cups and the experimenter gazed at the baited cup. In a second experiment, we aimed to increase the birds’ motivation to choose correctly by increasing the investment needed to obtain the reward. To do so, the birds had to pull on a string to obtain the cup. Here, the birds as a group tended to rely on gaze cues. In addition, individual birds quickly learned to use the cue in both experiments. Although rooks may not use gaze cues to find hidden food spontaneously, they may quickly learn to do so.  
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  Call Number Equine Behaviour @ team @ Serial 5420  
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Author Friedrich, A.M.; Clement, T.S.; Zentall, T.R. doi  openurl
  Title (down) Functional equivalence in pigeons involving a four-member class Type Journal Article
  Year 2004 Publication Behavioural processes Abbreviated Journal Behav. Process.  
  Volume 67 Issue 3 Pages 395-403  
  Keywords Animals; *Association Learning; *Behavior, Animal; *Cognition; Columbidae; *Concept Formation  
  Abstract Research suggests that animals are capable of forming functional equivalence relations or stimulus classes of the kind usually demonstrated by humans (e.g., the class defined by an object and the word for that object). In pigeons, such functional equivalences are typically established using many-to-one matching-to-sample in which two samples are associated with one comparison stimulus and two different samples are associated with the other. Evidence for the establishment of functional equivalences between samples associated with the same comparison comes from transfer tests. In Experiment 1, we found that pigeons can form a single class consisting of four members (many-to-one matching) when the alternative class has only one member (one-to-one matching). In Experiment 2, we ruled out the possibility that the pigeons acquired the hybrid one-to-one/many-to-one task by developing a single-code/default coding strategy as earlier research suggested that it might. Thus, pigeons can develop a functional class consisting of as many as four members, with the alternative class consisting of a single member.  
  Address Department of Psychology, University of Kentucky, Lexington, KY 40506-0044, USA  
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  Notes PMID:15518989 Approved no  
  Call Number refbase @ user @ Serial 228  
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Author Daniels, T.J.; Bekoff, M. doi  openurl
  Title (down) Feralization: The making of wild domestic animals Type Journal Article
  Year 1989 Publication Behavioural Processes Abbreviated Journal Behav. Process.  
  Volume 19 Issue 1-3 Pages 79-94  
  Keywords feralization; domestication; feral dogs  
  Abstract The widely accepted viewpoint that feralization is the reverse of domestication requires that the feralization process be restricted to populations of animals and, therefore, cannot occur in individuals. An alternative, ontogenetic approach is presented in which feralization is defined as the process by which individual domestic animals either become desocialized from humans, or never become socialized, and thus behave as untamed, non-domestic animals. Feralization will vary among species and, intraspecifically, will depend upon an individual's age and history of socialization to humans. Because feralization is not equated with morphological change resulting from evolutionary processes, species formation is not an accurate indicator of feral condition.  
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  Notes Cited By (since 1996): 5; Export Date: 24 October 2008 Approved no  
  Call Number Admin @ knut @ Serial 4580  
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Author Duncan, I.J.H.; Widowski, T.M.; Malleau, A.E.; Lindberg, A.C.; Petherick, J.C. url  doi
openurl 
  Title (down) External factors and causation of dustbathing in domestic hens Type Journal Article
  Year 1998 Publication Behavioural Processes Abbreviated Journal Behav. Process.  
  Volume 43 Issue 2 Pages 219-228  
  Keywords Dustbathing; Illumination; Laying hens; Radiant heat; Social facilitation; Temperature  
  Abstract Dustbathing is known to be motivated by complex interactions between internal factors which build up over time and external factors, such as the sight of a dusty substrate. In this study, the effects of other external factors were investigated. Environmental temperature was shown to be important; frequencies of dustbathing were greater when hens were held at 22 than at 10[degree sign]C (P<0.01). In a second experiment, a radiant heat source or a radiant heat+light source, balanced to give the same radiant heat, resulted in more dustbathing behaviour during a 1-h stimulus period than during the same period with no stimulus (P<0.05). Components of dustbathing were increased more by the heat+light stimulus than by the heat stimulus alone (P<0.03). In a third experiment, the amount of dustbathing performed by individual hens in cages with dustbaths was increased by the presence of a group of hens dustbathing in an adjoining pen with a dustbath compared with the amount occurring when the hens were absent from the pen.  
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  Call Number Equine Behaviour @ team @ Serial 3607  
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Author Wolff, A.; Hausberger, M.; Le Scolan, N. url  doi
openurl 
  Title (down) Experimental tests to assess emotionality in horses Type Journal Article
  Year 1997 Publication Behavioural Processes Abbreviated Journal Behav. Process.  
  Volume 40 Issue 3 Pages 209-221  
  Keywords Emotivity; Gregariousness; Horse; Neophobia; Open-field  
  Abstract Different tests were used to assess different aspects of the emotionality of 1-3 year-old horses: arena test; a [`]novel object' test; and a handling test. In reaction to the test situations no important differences were observed according to age or sex in the behaviour patterns, but clear individual differences were observed within these classes. The arena test seemed to reveal the degree of gregariousness of the animals whereas the results in the two other tests were correlated and seemed to reflect an inherent degree of fearfulness in the horse. Indices were developed that enabled to rank the animals, by taking into account all behaviour patterns shown. Such individual characteristics might have some genetic basis: half-siblings tended to behave the same way in most cases.  
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  Call Number Equine Behaviour @ team @ Serial 5018  
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Author Linklater, W.L. url  doi
openurl 
  Title (down) Equine learning in a wider context--Opportunities for integrative pluralism Type Journal Article
  Year 2007 Publication Behavioural Processes Abbreviated Journal Behav. Process.  
  Volume 76 Issue Pages 53-56  
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  Call Number refbase @ user @ Serial 635  
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Author Goodwin, D. url  doi
openurl 
  Title (down) Equine learning behaviour: What we know, what we don't and future research priorities Type Journal Article
  Year 2007 Publication Behavioural Processes Abbreviated Journal Behav. Process.  
  Volume 76 Issue Pages 17-19  
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  Call Number refbase @ user @ Serial 634  
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Author Sigurjónsdóttir , H. url  doi
openurl 
  Title (down) Equine learning behaviour: The importance of evolutionary and ecological approach in research Type Journal Article
  Year 2007 Publication Behavioural Processes Abbreviated Journal Behav. Process.  
  Volume 76 Issue Pages 40-42  
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  Call Number refbase @ user @ Serial 624  
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