Records |
Author |
Wasserman, E.A.; Gagliardi, J.L.; Cook, B.R.; Kirkpatrick-Steger, K.; Astley, S.L.; Biederman, I. |
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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English |
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Edition |
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ISSN |
0097-7403 |
ISBN |
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Notes |
PMID:8618103 |
Approved |
no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2780 |
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Author |
Zentall, T.R. |
Title |
Support for a theory of memory for event duration must distinguish between test-trial ambiguity and actual memory loss |
Type |
Journal Article |
Year |
1999 |
Publication |
Journal of the experimental analysis of behavior |
Abbreviated Journal |
J Exp Anal Behav |
Volume |
72 |
Issue |
3 |
Pages |
467-472 |
Keywords |
Animals; Behavior, Animal/physiology; Columbidae; Conditioning, Operant/physiology; Discrimination Learning/physiology; Memory/*physiology; *Psychological Theory; Time Factors; Time Perception/physiology |
Abstract |
Staddon and Higa's (1999) trace-strength theory of timing and memory for event duration can account for pigeons' bias to “choose short” when retention intervals are introduced and to “choose long” when, following training with a fixed retention interval, retention intervals are shortened. However, it does not account for the failure of pigeons to choose short when the intertrial interval is distinct from the retention interval. That finding suggests that stimulus generalization (or ambiguity) between the intertrial interval and the retention interval may result in an effect that has been attributed to memory loss. Such artifacts must be eliminated before a theory of memory for event duration can be adequately tested. |
Address |
Department of Psychology, University of Kentucky, Lexington 40506, USA. zentall@pop.uky.edu |
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ISSN |
0022-5002 |
ISBN |
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Notes |
PMID:10605105 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
251 |
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Author |
Zentall, T.R.; Roper, K.L.; Sherburne, L.M. |
Title |
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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ISSN |
0022-5002 |
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Notes |
PMID:7714447 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
256 |
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Author |
Biederman, G.B.; Robertson, H.A.; Vanayan, M. |
Title |
Observational learning of two visual discriminations by pigeons: a within-subjects design |
Type |
Journal Article |
Year |
1986 |
Publication |
Journal of the experimental analysis of behavior |
Abbreviated Journal |
J Exp Anal Behav |
Volume |
46 |
Issue |
1 |
Pages |
45-49 |
Keywords |
Animals; Attention; Columbidae; Conditioning, Operant; Cues; *Discrimination Learning; *Imitative Behavior; Male; Visual Perception |
Abstract |
Pigeon's observational learning of successive visual discrimination was studied using within-subject comparisons of data from three experimental conditions. Two pairs of discriminative stimuli were used; each bird was exposed to two of the three experimental conditions, with different pairs of stimuli used in a given bird's two conditions. In one condition, observers were exposed to visual discriminative stimuli only. In a second condition, subjects were exposed to a randomly alternating sequence of two stimuli where the one that would subsequently be used as S+ was paired with the operation of the grain magazine. In a third experimental condition, subjects were exposed to the performance of a conspecific in the operant discrimination procedure. After exposures to conspecific performances, there was facilitation of discriminative learning, relative to that which followed exposures to stimulus and reinforcement sequences or exposures to stimulus sequences alone. Exposure to stimulus and food-delivery sequences enhanced performance relative to exposure to stimulus sequences alone. The differential effects of these three types of exposure were not attributable to order effects or to task difficulty; rather, they clearly were due to the type of exposure. |
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ISSN |
0022-5002 |
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Notes |
PMID:3746187 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
853 |
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Author |
Singer, R.A.; Klein, E.D.; Zentall, T.R. |
Title |
Use of a single-code/default strategy by pigeons to acquire duration sample discriminations |
Type |
Journal Article |
Year |
2006 |
Publication |
Learning & behavior : a Psychonomic Society publication |
Abbreviated Journal |
Learn Behav |
Volume |
34 |
Issue |
4 |
Pages |
340-347 |
Keywords |
Animals; Behavior, Animal/*physiology; Columbidae; *Discrimination (Psychology); *Reaction Time; Retention (Psychology); *Signal Detection (Psychology) |
Abstract |
Past evidence that pigeons may adopt a single-code/default strategy to solve duration sample discriminations may be attributable to the similarity between the intertrial interval (ITI) and the retention interval. The present experiments tested whether pigeons would adopt a single-code/default strategy when possible ITI-retention-interval ambiguity was eliminated and sample salience was increased. Previous studies of duration sample discriminations that have purported to show evidence for the use of a single-code/default coding strategy have used durations of 0, 2, and 10 sec (Zentall, Klein, and Singer, 2004). However, the results of Experiment 1 suggest that the use of a 0-sec sample may produce an artifact resulting in inadvertent present/absent sample matching. In Experiment 2, when pigeons were trained with three nonzero duration samples (2, 8, and 32 sec), clear evidence for the use of a single-code/default strategy was found. |
Address |
Department of Psychology, University of Kentucky, Lexington, KY 40506-0044, USA. rasing2@uky.edu |
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Edition |
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ISSN |
1543-4494 |
ISBN |
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Notes |
PMID:17330523 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
215 |
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Author |
Gibson, B.M.; Juricevic, I.; Shettleworth, S.J.; Pratt, J.; Klein, R.M. |
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 |
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Edition |
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ISSN |
1543-4494 |
ISBN |
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Conference |
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Notes |
PMID:16396077 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
359 |
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Author |
Terrace, H.S. |
Title |
Chunking by a pigeon in a serial learning task |
Type |
Journal Article |
Year |
1987 |
Publication |
Nature |
Abbreviated Journal |
Nature |
Volume |
325 |
Issue |
7000 |
Pages |
149-151 |
Keywords |
Animals; Cognition/*physiology; Columbidae/*physiology; Feedback; Learning/*physiology; Male |
Abstract |
A basic principle of human memory is that lists that can be organized into memorable 'chunks' are easier to remember. Memory span is limited to a roughly constant number of chunks and is to a large extent independent of the amount of informaton contained in each chunk. Depending on the ingenuity of the code used to integrate discrete items into chunks, one can substantially increase the number of items that can be recalled correctly. Newly developed paradigms for studying memory in non-verbal organisms allow comparison of the abilities of human and non-human subjects to memorize lists. Here I present two types of evidence that pigeons 'chunk' 5-element lists whose components (colours and achromatic geometric forms) are clustered into distinct groups. Those lists were learned twice as rapidly as a homogeneous list of colours or heterogeneous lists in which the elements are not clustered. The pigeons were also tested for knowledge of the order of two elements drawn from the 5-element lists. They responded in the correct order only to those subsets that contained a chunk boundary. Thus chunking can be studied profitably in animal subjects; the cognitive processes that allow an organism to form chunks do no presuppose linguistic competence. |
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ISSN |
0028-0836 |
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Notes |
PMID:3808071 |
Approved |
no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2792 |
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Author |
Epstein, R. |
Title |
Animal cognition as the praxist views it |
Type |
Journal Article |
Year |
1985 |
Publication |
Neuroscience and Biobehavioral Reviews |
Abbreviated Journal |
Neurosci Biobehav Rev |
Volume |
9 |
Issue |
4 |
Pages |
623-630 |
Keywords |
Animals; *Behavior, Animal; Behavioral Sciences/*trends; Behaviorism; *Cognition; Columbidae; History, 18th Century; History, 19th Century; Humans; Models, Psychological; Problem Solving; Psychological Theory; Psychology/history/trends |
Abstract |
The distinction between psychology and praxics provides a clear answer to the question of animal cognition. As Griffin and others have noted, the kinds of behavioral phenomena that lead psychologists to speak of cognition in humans are also observed in nonhuman animals, and therefore those who are convinced of the legitimacy of psychology should not hesitate to speak of and to attempt to study animal cognition. The behavior of organisms is also a legitimate subject matter, and praxics, the study of behavior, has led to significant advances in our understanding of the kinds of behaviors that lead psychologists to speak of cognition. Praxics is a biological science; the attempt by students of behavior to appropriate psychology has been misguided. Generativity theory is an example of a formal theory of behavior that has proved useful both in the engineering of intelligent performances in nonhuman animals and in the prediction of intelligent performances in humans. |
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ISSN |
0149-7634 |
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Notes |
PMID:3909017 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2809 |
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Author |
Sekuler, A.B.; Lee, J.A.; Shettleworth, S.J. |
Title |
Pigeons do not complete partly occluded figures |
Type |
Journal Article |
Year |
1996 |
Publication |
Perception |
Abbreviated Journal |
Perception |
Volume |
25 |
Issue |
9 |
Pages |
1109-1120 |
Keywords |
Animals; *Columbidae; *Visual Perception |
Abstract |
One of the most common obstacles to object perception is the fact that objects often occlude parts of themselves and parts of other objects. Perceptual completion has been studied extensively in humans, and researchers have shown that humans do complete partly occluded objects. In an effort to understand more about the mechanisms underlying completion, recent research has extended the study of perceptual completion to other mammalian species. Monkeys and mice also seem to complete two-dimensional representations of partly occluded objects. The present study addresses the question of whether this capacity generalizes to a nonmammalian species, the pigeon (Columba livia). The results point to a limit of the generalizability of perceptual completion: pigeons do not complete partly occluded figures. |
Address |
Department of Psychology, University of Toronto, ON, Canada |
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ISSN |
0301-0066 |
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Notes |
PMID:8983050 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
377 |
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Author |
Roper, K.L.; Zentall, T.R. |
Title |
Directed forgetting in animals |
Type |
Journal Article |
Year |
1993 |
Publication |
Psychological bulletin |
Abbreviated Journal |
Psychol Bull |
Volume |
113 |
Issue |
3 |
Pages |
513-532 |
Keywords |
Animals; Behavior, Animal; *Cognition; Columbidae; Conditioning (Psychology); Discrimination Learning; Female; Humans; Male; Memory Disorders/*psychology; Reinforcement (Psychology); Task Performance and Analysis |
Abstract |
Directed-forgetting research with animals suggests that animals show disrupted test performance only under certain conditions. Important variables are (a) whether during training, the cue to forget (F cue) signals nonreward (i.e., that the trial is over) versus reward (i.e., that reinforcement can be obtained) and (b) given that reinforcement can be obtained on F-cue trials, whether the post-F-cue response pattern is compatible with the baseline memory task. It is proposed that some findings of directed forgetting can be attributed to trained response biases, whereas others may be attributable perhaps to frustration-produced interference. It is suggested that directed forgetting in animals should be studied using procedures similar to those used to study directed forgetting in humans. This can be accomplished by presenting, within a trial, both to-be-remembered and to-be-forgotten material. |
Address |
Department of Psychology, University of Kentucky, Lexington 40506 |
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ISSN |
0033-2909 |
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Notes |
PMID:8316612 |
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no |
Call Number |
refbase @ user @ |
Serial |
259 |
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