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Author Zentall, T.R.; Galizio, M.; Critchfied, T.S.
Title Categorization, concept learning, and behavior analysis: an introduction Type Journal Article
Year 2002 Publication Journal of the experimental analysis of behavior Abbreviated Journal J Exp Anal Behav
Volume 78 Issue 3 Pages 237-248
Keywords Animals; Association Learning; *Concept Formation; *Discrimination Learning; Humans; Language
Abstract Categorization and concept learning encompass some of the most important aspects of behavior, but historically they have not been central topics in the experimental analysis of behavior. To introduce this special issue of the Journal of the Experimental Analysis of Behavior (JEAB), we define key terms; distinguish between the study of concepts and the study of concept learning; describe three types of concept learning characterized by the stimulus classes they yield; and briefly identify several other themes (e.g., quantitative modeling and ties to language) that appear in the literature. As the special issue demonstrates, a surprising amount and diversity of work is being conducted that either represents a behavior-analytic perspective or can inform or constructively challenge this perspective.
Address Department of Psychology, University of Kentucky, Lexington 40506, USA. zentall@pop.uky.edu
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ISSN 0022-5002 ISBN Medium
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Notes PMID:12507002 Approved no
Call Number refbase @ user @ Serial (up) 236
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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 Medium
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Notes PMID:10605105 Approved no
Call Number refbase @ user @ Serial (up) 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 ISBN Medium
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Notes PMID:7714447 Approved no
Call Number refbase @ user @ Serial (up) 256
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Author Zentall, T.R.; Hogan, D.E..
Title Same/different concept learning in the pigeon: the effect of negative instances and prior adaptation to transfer stimuli Type Journal Article
Year 1978 Publication Abbreviated Journal J Exp Anal Behav
Volume 30 Issue 2 Pages 177-186
Keywords
Abstract Pigeons were trained on a matching-to-sample or oddity-from-sample task with shapes (circle and plus). Half of each group was exposed to “negative instance” trials i.e., for matching birds, neither comparison key matched the sample, and for oddity birds both comparison keys matched the sample. When all birds were transferred to a new task involving colors (red and green), nonshifted birds (transferred from matching to matching, or oddity to oddity) performed significantly better than shifted birds (transferred from matching to oddity, or oddity to matching), but only if they had experienced negative instances of the training concept. When all birds were exposed to negative instances of the transfer task and then transferred to a new color task (yellow and blue), dramatic transfer effects were observed. The effect of pre-exposure to the yellow and blue colors, in order to reduce transfer-stimulus novelty, had a minor effect on transfer.
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Notes PMID:16812097 Approved no
Call Number refbase @ user @ Serial (up) 271
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Author Zentall, T.R; Hogan, D.E.
Title Key pecking in pigeons produced by pairing keylight with inaccessible grain Type Journal Article
Year 1975 Publication Abbreviated Journal J Exp Anal Behav
Volume 23 Issue 2 Pages 199-206
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Abstract In Experiment I, keylight was paired with inaccessible grain delivery (under two conditions of keylight intensity) to determine if autoshaping would occur in the absence of primary reinforcement. In Experiment II, the procedure was repeated with accessible grain, for comparison. In Experiment III, the procedures were repeated with explicitly unpaired presentations of keylight and either inaccessible or accessible grain. The results indicated that key pecking occurred as quickly in the presence of keylight pairings with inaccessible grain as with accessible grain, though (except for one bird) key pecking was not maintained with inaccessible grain. Furthermore, compared to the dim keylight, the bright keylight greatly suppressed key pecking when paired with inaccessible grain, and reduced the rate of key pecking when paired with accessible grain. Little key pecking occurred in groups exposed to explicitly unpaired presentations of keylight (whether bright or dim) and grain (whether accessible or inaccessible). When the birds in Experiment III were retested with explicitly paired presentations of keylight and grain, little key pecking was observed, suggesting suppressive effects of prior explicitly unpaired presentations. It is suggested that the effects of key-brightness manipulation were produced by the association of grain with cues other than the response key, or by distraction produced by partial illumination of the grain hopper.
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ISSN 0022-5002 ISBN Medium
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Notes PMID:16811840 Approved no
Call Number refbase @ user @ Serial (up) 273
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Author Shettleworth, S.J.
Title Handling time and choice in pigeons Type Journal Article
Year 1985 Publication Abbreviated Journal J Exp Anal Behav
Volume 44 Issue 2 Pages 139-155
Keywords
Abstract According to optimal foraging theory, animals should prefer food items with the highest ratios of energy intake to handling time. When single items have negligible handling times, one large item should be preferred to a collection of small ones of equivalent total weight. However, when pigeons were offered such a choice on equal concurrent variable-interval schedules in a shuttlebox, they preferred the side offering many small items per reinforcement to that offering one or a few relatively large items. This preference was still evident on concurrent fixed-cumulative-duration schedules in which choosing the alternative with longer handling time substantially lowered the rate of food intake.
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Notes PMID:16812429 Approved no
Call Number refbase @ user @ Serial (up) 383
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Author Anderson , M.C.; Shettleworth, S.J.
Title Behavioral adaptation to fixed-interval and fixed-time food delivery in golden hamsters Type Journal Article
Year 1977 Publication Journal of the Experimental Analysis of Behavior (JEAB) Abbreviated Journal J Exp Anal Behav
Volume 27 Issue 1 Pages 33-49
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Abstract Food-deprived golden hamsters in a large enclosure received food every 30 sec contingent on lever pressing, or free while their behavior was continuously recorded in terms of an exhaustive classification of motor patterns. As with other species in other situations, behavior became organized into two main classes. One (terminal behaviors) increased in probability throughout interfood intervals; the other (interim behaviors) peaked earlier in interfood intervals. Which class an activity belonged to was independent of whether food was contingent on lever pressing. When food was omitted on some of the intervals (thwarting), the terminal activities began sooner in the next interval, and different interim activities changed in different ways. The interim activities did not appear to be schedule-induced in the usual sense. Rather, the hamsters left the area of the feeder when food was not due and engaged in activities they would normally perform in the experimental environment.
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ISSN 0022-5002 ISBN Medium
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Notes PMID:16811980 Approved no
Call Number refbase @ user @ Serial (up) 388
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Author Nevin, J.A.; Shettleworth, S.J.
Title An analysis of contrast effects in multiple schedules Type Journal Article
Year 1966 Publication Journal of the experimental analysis of behavior Abbreviated Journal J Exp Anal Behav
Volume 9 Issue 4 Pages 305-315
Keywords Animals; Birds; *Conditioning (Psychology); Conditioning, Operant; Discrimination Learning; *Extinction, Psychological; Male; Reaction Time; *Reinforcement (Psychology)
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Notes PMID:5961499 Approved no
Call Number refbase @ user @ Serial (up) 392
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Author Lazareva, O.F.; Smirnova, A.A.; Bagozkaja, M.S.; Zorina, Z.A.; Rayevsky, V.V.; Wasserman, E.A.
Title Transitive responding in hooded crows requires linearly ordered stimuli Type Journal Article
Year 2004 Publication Journal of the experimental analysis of behavior Abbreviated Journal J Exp Anal Behav
Volume 82 Issue 1 Pages 1-19
Keywords Animals; *Association; Cognition/physiology; Crows; Discrimination (Psychology); *Discrimination Learning; Feedback; Reinforcement (Psychology); Visual Perception/physiology
Abstract Eight crows were taught to discriminate overlapping pairs of visual stimuli (A+ B-, B+ C-, C+ D-, and D+ E-). For 4 birds, the stimuli were colored cards with a circle of the same color on the reverse side whose diameter decreased from A to E (ordered feedback group). These circles were made available for comparison to potentially help the crows order the stimuli along a physical dimension. For the other 4 birds, the circles corresponding to the colored cards had the same diameter (constant feedback group). In later testing, a novel choice pair (BD) was presented. Reinforcement history involving stimuli B and D was controlled so that the reinforcement/nonreinforcement ratios for the latter would be greater than for the former. If, during the BD test, the crows chose between stimuli according to these reinforcement/nonreinforcement ratios, then they should prefer D; if they chose according to the diameter of the feedback stimuli, then they should prefer B. In the ordered feedback group, the crows strongly preferred B over D; in the constant feedback group, the crows' choice did not differ significantly from chance. These results, plus simulations using associative models, suggest that the orderability of the postchoice feedback stimuli is important for crows' transitive responding.
Address Institute of Higher Nervous Activity, Moscow State University. olga-lazareva@uiowa.edu
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Notes PMID:15484868 Approved no
Call Number refbase @ user @ Serial (up) 612
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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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Notes PMID:3746187 Approved no
Call Number refbase @ user @ Serial (up) 853
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