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Author Gibson, B.M.; Juricevic, I.; Shettleworth, S.J.; Pratt, J.; Klein, R.M. openurl 
  Title Looking for inhibition of return in pigeons Type Journal Article
  Year 2005 Publication Learning & behavior : a Psychonomic Society publication Abbreviated Journal Learn Behav  
  Volume 33 Issue 3 Pages 296-308  
  Keywords Animals; Behavior, Animal/*physiology; Columbidae; *Inhibition (Psychology); Reinforcement (Psychology)  
  Abstract We conducted four experiments in order to investigate whether pigeons' responses to a recently attended (i.e., recently pecked) location are inhibited. In Experiments 1 and 2, stimulus displays were similar to those used in studies of inhibition of return (IOR) with humans; responses to cued targets tended to be facilitated rather than inhibited. In Experiments 3 and 4, birds were presented with stimulus displays that mimicked clusters of small grains and were relatively localized, which should have been more appropriate for detecting IOR in pigeons. The results from these experiments again provided evidence for facilitation of responding to cued targets, rather than for IOR.  
  Address University of Toronto, Toronto, Ontario, Canada. bgibson@cisunix.unh.edu  
  Corporate Author Thesis  
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  Language English Summary Language Original Title  
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  Series Volume Series Issue Edition  
  ISSN (down) 1543-4494 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:16396077 Approved no  
  Call Number refbase @ user @ Serial 359  
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Author Gibson, B.M.; Shettleworth, S.J. openurl 
  Title Competition among spatial cues in a naturalistic food-carrying task Type Journal Article
  Year 2003 Publication Learning & behavior : a Psychonomic Society publication Abbreviated Journal Learn Behav  
  Volume 31 Issue 2 Pages 143-159  
  Keywords Adaptation, Psychological; Animals; Appetitive Behavior; *Association Learning; *Attention; Choice Behavior; *Cues; *Discrimination Learning; Male; Rats; Rats, Long-Evans; Space Perception; *Spatial Behavior  
  Abstract Rats collected nuts from a container in a large arena in four experiments testing how learning about a beacon or cue at a goal interacts with learning about other spatial cues (place learning). Place learning was quick, with little evidence of competition from the beacon (Experiments 1 and 2). Rats trained to approach a beacon regardless of its location were subsequently impaired when the well-learned beacon was removed and other spatial cues identified the location of the goal (Experiment 3). The competition between beacon and place cues reflected learned irrelevance for place cues (Experiment 4). The findings differ from those of some studies of associative interactions between cue and place learning in other paradigms.  
  Address University of Toronto, Toronto, Ontario, Canada  
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  Language English Summary Language Original Title  
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  ISSN (down) 1543-4494 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:12882373 Approved no  
  Call Number refbase @ user @ Serial 368  
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Author Shettleworth, S.J. doi  openurl
  Title Animal behaviour: planning for breakfast Type Journal Article
  Year 2007 Publication Nature Abbreviated Journal Nature  
  Volume 445 Issue 7130 Pages 825-826  
  Keywords Animals; Feeding Behavior/*physiology; *Food; Haplorhini/physiology; Memory/physiology; Songbirds/*physiology; Thinking/*physiology  
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  Series Volume Series Issue Edition  
  ISSN (down) 1476-4687 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:17314961 Approved no  
  Call Number refbase @ user @ Serial 356  
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Author Shettleworth, S.J. doi  openurl
  Title Cognitive science: rank inferred by reason Type Journal Article
  Year 2004 Publication Nature Abbreviated Journal Nature  
  Volume 430 Issue 7001 Pages 732-733  
  Keywords Animals; Cognition/*physiology; Group Structure; Male; *Social Dominance; Songbirds/*physiology  
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  ISSN (down) 1476-4687 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:15306792 Approved no  
  Call Number refbase @ user @ Serial 365  
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Author Hampton, R.R.; Healy, S.D.; Shettleworth, S.J.; Kamil, A.C. doi  openurl
  Title Neuroecologists' are not made of straw Type Journal Article
  Year 2002 Publication Trends in Cognitive Sciences Abbreviated Journal Trends. Cognit. Sci.  
  Volume 6 Issue 1 Pages 6-7  
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  Address Laboratory of Neuropsychology, NIH--NIMH, Building 49, Room 1B-80, 20892-4415, Bethesda, MD, USA  
  Corporate Author Thesis  
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  Series Volume Series Issue Edition  
  ISSN (down) 1364-6613 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:11849608 Approved no  
  Call Number refbase @ user @ Serial 371  
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Author Sole, L.M.; Shettleworth, S.J.; Bennett, P.J. openurl 
  Title Uncertainty in pigeons Type Journal Article
  Year 2003 Publication Psychonomic bulletin & review Abbreviated Journal Psychon Bull Rev  
  Volume 10 Issue 3 Pages 738-745  
  Keywords Animals; Behavior, Animal; Columbidae; *Decision Making; Reinforcement (Psychology); Reward; Transfer (Psychology); Visual Perception  
  Abstract Pigeons classified a display of illuminated pixels on a touchscreen as sparse or dense. Correct responses were reinforced with six food pellets; incorrect responses were unreinforced. On some trials an uncertain response option was available. Pecking it was always reinforced with an intermediate number of pellets. Like monkeys and people in related experiments, the birds chose the uncertain response most often when the stimulus presented was difficult to classify correctly, but in other respects their behavior was not functionally similar to human behavior based on conscious uncertainty or to the behavior of monkeys in comparable experiments. Our data were well described by a signal detection model that assumed that the birds were maximizing perceived reward in a consistent way across all the experimental conditions.  
  Address University of Toronto, Toronto, Ontario, Canada  
  Corporate Author Thesis  
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  ISSN (down) 1069-9384 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:14620372 Approved no  
  Call Number refbase @ user @ Serial 366  
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Author Krebs, J.R.; Clayton, N.S.; Hampton, R.R.; Shettleworth, S.J. openurl 
  Title Effects of photoperiod on food-storing and the hippocampus in birds Type Journal Article
  Year 1995 Publication Neuroreport Abbreviated Journal Neuroreport  
  Volume 6 Issue 12 Pages 1701-1704  
  Keywords Animals; Birds; Eating/*physiology; Female; Hippocampus/*physiology; Light; Male; *Photoperiod; Seasons; Telencephalon/physiology; Time Factors  
  Abstract Birds that store food have a relatively large hippocampus compared to non-storing species. The hippocampus shows seasonal differences in neurogenesis and volume in black-capped chikadees (Parus atricapillus) taken from the wild at different times of year. We compared hippocampal volumes in black-capped chickadees captured at the same time but differing in food-storing behaviour because of manipulations of photoperiod in the laboratory. Differences in food-storing behaviour were not accompanied by differences in the volume of the hippocampus. Hippocampal volumes also did not differ between two groups of a non-food-storing control species, house sparrows (Passer domesticus), exposed to the same conditions as the chickadees.  
  Address Edward Grey Institute of Field Ornithology, Department of Zoology, Oxford, UK  
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  ISSN (down) 0959-4965 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:8527745 Approved no  
  Call Number refbase @ user @ Serial 378  
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Author Gibson, B.M.; Shettleworth, S.J. doi  openurl
  Title Place versus response learning revisited: tests of blocking on the radial maze Type Journal Article
  Year 2005 Publication Behavioral neuroscience Abbreviated Journal Behav Neurosci  
  Volume 119 Issue 2 Pages 567-586  
  Keywords Animals; *Association Learning; Male; *Maze Learning; Memory; Rats; Rats, Long-Evans; Reproducibility of Results  
  Abstract Neurobiological and behavioral research indicates that place learning and response learning occur simultaneously, in parallel. Such findings seem to conflict with theories of associative learning in which different cues compete for learning. The authors conducted place+response training on a radial maze and then tested place learning and response learning separately by reconfiguring the maze in various ways. Consistent with the effects of manipulating place and response systems in the brain (M. G. Packard & J. L. McGaugh, 1996), well-trained rats showed strong place learning and strong response learning. Three experiments using associative blocking paradigms indicated that prior response learning interferes with place learning. Blocking and related tests can be used to better understand how memory systems interact during learning.  
  Address Department of Psychology, University of New Hampshire, Durham, NH 03824-3567, USA. bgibson@cisunix.unh.edu  
  Corporate Author Thesis  
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  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN (down) 0735-7044 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:15839803 Approved no  
  Call Number refbase @ user @ Serial 362  
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Author Hampton, R.R.; Shettleworth, S.J. openurl 
  Title Hippocampus and memory in a food-storing and in a nonstoring bird species Type Journal Article
  Year 1996 Publication Behavioral neuroscience Abbreviated Journal Behav Neurosci  
  Volume 110 Issue 5 Pages 946-964  
  Keywords Animals; Appetitive Behavior/*physiology; Attention/physiology; Birds/*physiology; Brain Mapping; Feeding Behavior/*physiology; Mental Recall/*physiology; Organ Size/physiology; Orientation/*physiology; Retention (Psychology)/physiology; Species Specificity  
  Abstract Food-storing birds maintain in memory a large and constantly changing catalog of the locations of stored food. The hippocampus of food-storing black-capped chickadees (Parus atricapillus) is proportionally larger than that of nonstoring dark-eyed juncos (Junco hyemalis). Chickadees perform better than do juncos in an operant test of spatial non-matching-to-sample (SNMTS), and chickadees are more resistant to interference in this paradigm. Hippocampal lesions attenuate performance in SNMTS and increase interference. In tests of continuous spatial alternation (CSA), juncos perform better than chickadees. CSA performance also declines following hippocampal lesions. By itself, sensitivity of a given task to hippocampal damage does not predict the direction of memory differences between storing and nonstoring species.  
  Address Department of Psychology, University of Toronto, Ontario, Canada. robert@ln.nimh.nih.gov  
  Corporate Author Thesis  
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  ISSN (down) 0735-7044 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:8918998 Approved no  
  Call Number refbase @ user @ Serial 375  
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Author Hampton, R.R.; Shettleworth, S.J. openurl 
  Title Hippocampal lesions impair memory for location but not color in passerine birds Type Journal Article
  Year 1996 Publication Behavioral neuroscience Abbreviated Journal Behav Neurosci  
  Volume 110 Issue 4 Pages 831-835  
  Keywords Animals; Appetitive Behavior/physiology; Birds/*physiology; Brain Mapping; Color Perception/*physiology; Discrimination Learning/physiology; Hippocampus/*physiology; Long-Term Potentiation/physiology; Mental Recall/*physiology; Orientation/*physiology; Species Specificity  
  Abstract The effects of hippocampal complex lesions on memory for location and color were assessed in black-capped chickadees (Parus atricapillus) and dark-eyed juncos (Junco hyemalis) in operant tests of matching to sample. Before surgery, most birds were more accurate on tests of memory for location than on tests of memory for color. Damage to the hippocampal complex caused a decline in memory for location, whereas memory for color was not affected in the same birds. This dissociation indicates that the avian hippocampus plays an important role in spatial cognition and suggests that this brain structure may play no role in working memory generally.  
  Address Department of Psychology, University of Toronto, Ontario, Canada  
  Corporate Author Thesis  
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  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN (down) 0735-7044 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:8864273 Approved no  
  Call Number refbase @ user @ Serial 376  
Permanent link to this record
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