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Equine and Animal Cognition Reference Database

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Author Wasserman, E.A.; Gagliardi, J.L.; Cook, B.R.; Kirkpatrick-Steger, K.; Astley, S.L.; Biederman, I. openurl 
  Title The pigeon's recognition of drawings of depth-rotated stimuli Type Journal Article
  Year 1996 Publication Journal of Experimental Psychology. Animal Behavior Processes Abbreviated Journal J Exp Psychol Anim Behav Process  
  Volume 22 Issue 2 Pages 205-221  
  Keywords Animals; Cognition/*physiology; Columbidae; Discrimination (Psychology); Form Perception/*physiology; Learning/*physiology; Photic Stimulation; Rotation  
  Abstract Four experiments used a four-choice discrimination learning paradigm to explore the pigeon's recognition of line drawings of four objects (an airplane, a chair, a desk lamp, and a flashlight) that were rotated in depth. The pigeons reliably generalized discriminative responding to pictorial stimuli over all untrained depth rotations, despite the bird's having been trained at only a single depth orientation. These generalization gradients closely resembled those found in prior research that used other stimulus dimensions. Increasing the number of different vantage points in the training set from one to three broadened the range of generalized testing performance, with wider spacing of the training orientations more effectively broadening generalized responding. Template and geon theories of visual recognition are applied to these empirical results.  
  Address Department of Psychology, University of Iowa, Iowa City 52242-1407, USA. ed-wasserman@uiowa.educ  
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  ISSN 0097-7403 ISBN Medium  
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  Notes PMID:8618103 Approved no  
  Call Number Equine Behaviour @ team @ Serial 2780  
Permanent link to this record
 
 
Author Boysen, S.T.; Bernston, G.G.; Hannan, M.B.; Cacioppo, J.T. openurl 
  Title Quantity-based interference and symbolic representations in chimpanzees (Pan troglodytes) Type Journal Article
  Year 1996 Publication Journal of Experimental Psychology. Animal Behavior Processes Abbreviated Journal J Exp Psychol Anim Behav Process  
  Volume 22 Issue 1 Pages 76-86  
  Keywords Animals; Behavior, Animal; Cognition; *Discrimination Learning; Female; Male; *Pan troglodytes; *Reinforcement (Psychology); Task Performance and Analysis  
  Abstract Five chimpanzees with training in counting and numerical skills selected between 2 arrays of different amounts of candy or 2 Arabic numerals. A reversed reinforcement contingency was in effect, in which the selected array was removed and the subject received the nonselected candies (or the number of candies represented by the nonselected Arabic numeral). Animals were unable to maximize reward by selecting the smaller array when candies were used as array elements. When Arabic numerals were substituted for the candy arrays, all animals showed an immediate shift to a more optimal response strategy of selecting the smaller numeral, thereby receiving the larger reward. Results suggest that a response disposition to the high-incentive candy stimuli introduced a powerful interference effect on performance, which was effectively overridden by the use of symbolic representations.  
  Address Ohio State University, Department of Psychology, Ohio State University, Columbus 43210-1222, USA  
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  ISSN 0097-7403 ISBN Medium  
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  Notes PMID:8568498 Approved no  
  Call Number Equine Behaviour @ team @ Serial 2781  
Permanent link to this record
 
 
Author Fetterman, J.G. openurl 
  Title Dimensions of stimulus complexity Type Journal Article
  Year 1996 Publication Journal of Experimental Psychology. Animal Behavior Processes Abbreviated Journal J Exp Psychol Anim Behav Process  
  Volume 22 Issue 1 Pages 3-18  
  Keywords Animals; *Behavior, Animal; Cognition; *Learning; Memory; Time Factors  
  Abstract Animal learning research has increasingly used complex stimuli that approximate natural objects, events, and locations, a trend that has accompanied a resurgence of interest in the role of cognitive factors in learning. Accounts of complex stimulus control have focused mainly on cognitive mechanisms and largely ignored the contribution of stimulus information to perception and memory for complex events. It is argued here that research on animal learning stands to benefit from a more detailed consideration of the stimulus and that James Gibson's stimulus-centered theory of perception serves as a useful framework for analyses of complex stimuli. Several issues in the field of animal learning and cognition are considered from the Gibsonian perspective on stimuli, including the fundamental problem of defining the effective stimulus.  
  Address Department of Psychology, Indiana University-Purdue University, Indianapolis 46202, USA  
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  ISSN 0097-7403 ISBN Medium  
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  Notes PMID:8568494 Approved no  
  Call Number Equine Behaviour @ team @ Serial 2782  
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Author Heyes CM openurl 
  Title Self-recognition in primates: irreverence, irrelevance and irony Type Journal Article
  Year 1996 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.  
  Volume 51 Issue Pages 470  
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  Call Number Equine Behaviour @ team @ Serial 3007  
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Author Kitchen A; Denton D; Brent L openurl 
  Title Self-recognition and abstraction abilities in the common chimpanzee studied with distorting mirrors Type Journal Article
  Year 1996 Publication Proc. Natl. Acad. Sci. USA Abbreviated Journal  
  Volume 93 Issue Pages 7405  
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  Call Number Equine Behaviour @ team @ Serial 3011  
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Author Kummer H; Anzenberger G; Hemelrijk CK openurl 
  Title Hiding and perspective taking in long-tailed macaques (Macaca fascicularis) Type Journal Article
  Year 1996 Publication J. Comp. Psychol. Abbreviated Journal  
  Volume 110 Issue Pages 97  
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  Call Number Equine Behaviour @ team @ Serial 3013  
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Author Zentall TR; Sutton JE; Sherburne LM openurl 
  Title True imitative learning in pigeons Type Journal Article
  Year 1996 Publication Psychol. Sci. Abbreviated Journal  
  Volume 7 Issue Pages 343  
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  Call Number Equine Behaviour @ team @ Serial 3054  
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Author Miller RR; Matute H openurl 
  Title Biological significance in forward and backward blocking: resolution of a discrepancy between animal conditioning and human causal judgment Type Journal Article
  Year 1996 Publication J. Exp. Psychol.: Anim. Behav. Process. Abbreviated Journal  
  Volume 18 Issue Pages 251  
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  Call Number Equine Behaviour @ team @ Serial 3069  
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Author Ballew, R.M.; Sabelko, J.; Gruebele, M. openurl 
  Title Direct observation of fast protein folding: the initial collapse of apomyoglobin Type Journal Article
  Year 1996 Publication Proceedings of the National Academy of Sciences of the United States of America Abbreviated Journal Proc. Natl. Acad. Sci. U.S.A.  
  Volume 93 Issue 12 Pages 5759-5764  
  Keywords Animals; Apoproteins/*chemistry; Circular Dichroism; Horses; Kinetics; Muscle, Skeletal/chemistry; Myoglobin/*chemistry; *Protein Folding; Spectrometry, Fluorescence; Spectrophotometry, Infrared; Temperature  
  Abstract The rapid refolding dynamics of apomyoglobin are followed by a new temperature-jump fluorescence technique on a 15-ns to 0.5-ms time scale in vitro. The apparatus measures the protein-folding history in a single sweep in standard aqueous buffers. The earliest steps during folding to a compact state are observed and are complete in under 20 micros. Experiments on mutants and consideration of steady-state CD and fluorescence spectra indicate that the observed microsecond phase monitors assembly of an A x (H x G) helix subunit. Measurements at different viscosities indicate diffusive behavior even at low viscosities, in agreement with motions of a solvent-exposed protein during the initial collapse.  
  Address School of Chemical Sciences and Beckman Institute for Advanced Science and Technology, University of Illinois, Urbana, 61801, USA  
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  ISSN 0027-8424 ISBN Medium  
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  Notes PMID:8650166 Approved no  
  Call Number Equine Behaviour @ team @ Serial 3798  
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Author Bermudez, J.L. openurl 
  Title The moral significance of birth Type Journal Article
  Year 1996 Publication Ethics Abbreviated Journal Ethics  
  Volume 106 Issue 2 Pages 378-403  
  Keywords Abortion, Induced; Animal Rights; Animals; Beginning of Human Life; Embryonic and Fetal Development; *Ethical Analysis; *Ethics; *Fetus; Homicide; Humans; *Individuality; *Infant, Newborn; Infant, Premature; Infanticide; *Labor, Obstetric; Life; *Personhood; Philosophy; Primates; Psychology; *Self Concept; *Value of Life; Analytical Approach; Genetics and Reproduction; Philosophical Approach  
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  ISSN 0014-1704 ISBN Medium  
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  Notes PMID:11656645; KIE: 31 fn.; KIE: KIE BoB Subject Heading: fetuses; KIE: KIE BoB Subject Heading: personhood Approved no  
  Call Number Equine Behaviour @ team @ Serial 4177  
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