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Author Zentall, T.R.; Sherburne, L.M.
Title Transfer of value from S+ to S- in a simultaneous discrimination Type Journal Article
Year 1994 Publication (up) Journal of experimental psychology. Animal behavior processes Abbreviated Journal J Exp Psychol Anim Behav Process
Volume 20 Issue 2 Pages 176-183
Keywords Animals; *Appetitive Behavior; Attention; Color Perception; Columbidae; *Discrimination Learning; Female; Male; Motivation; Orientation; Pattern Recognition, Visual; *Problem Solving; *Reinforcement Schedule; *Transfer (Psychology)
Abstract Value transfer theory has been proposed to account for transitive inference effects (L. V. Fersen, C. D. L. Wynne, J. D. Delius, & J. E. R. Staddon, 1991), in which following training on 4 simultaneous discriminations (A+B-, B+C-, C+D-, D+E-) pigeons show a preference for B over D. According to this theory, some of the value of reinforcement acquired by each S+ transfers to the S-. In the transitive inference experiment, C (associated with both reward and nonreward) can transfer less value to D than A (associated only with reward) can transfer to B. Support for value transfer theory was demonstrated in 2 experiments in which an S- presented in the context of a stimulus to which responses were always reinforced (S+) was preferred over an S- presented in the context of a stimulus to which responses were sometimes reinforced (S +/-).
Address Department of Psychology, University of Kentucky, Lexington 40506
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Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0097-7403 ISBN Medium
Area Expedition Conference
Notes PMID:8189186 Approved no
Call Number refbase @ user @ Serial 258
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Author Urcuioli, P.J.; Zentall, T.R.
Title Transfer across delayed discriminations: evidence regarding the nature of prospective working memory Type Journal Article
Year 1992 Publication (up) Journal of experimental psychology. Animal behavior processes Abbreviated Journal J Exp Psychol Anim Behav Process
Volume 18 Issue 2 Pages 154-173
Keywords Animals; *Appetitive Behavior; Attention; *Color Perception; Columbidae; *Discrimination Learning; *Mental Recall; *Pattern Recognition, Visual; Problem Solving; Retention (Psychology); *Transfer (Psychology)
Abstract Pigeons were trained successively either on 2 delayed simple discriminations or on a delayed simple discrimination followed by delayed matching-to-sample. During subsequent transfer tests, the initial stimuli from the 1st task were substituted for those in the 2nd. Performances transferred immediately if both sets of initial stimuli had been associated with the presence versus absence of food on their respective retention tests, and the direction of transfer (positive or negative) depended on whether the substitution involved stimuli with identical or different outcome associates. No transfer was found, however, when the initial stimuli were associated with different patterns of responding but food occurred at the end of every trial. These results are consistent with outcome expectancy mediation but are incompatible with response intention and retrospective coding accounts.
Address Department of Psychological Sciences, Purdue University, West Lafayette, Indiana 47907-1364
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 0097-7403 ISBN Medium
Area Expedition Conference
Notes PMID:1583445 Approved no
Call Number refbase @ user @ Serial 260
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Author Zentall, T.R.; Jackson-Smith, P.; Jagielo, J.A.; Nallan, G.B.
Title Categorical shape and color coding by pigeons Type Journal Article
Year 1986 Publication (up) Journal of experimental psychology. Animal behavior processes Abbreviated Journal J Exp Psychol Anim Behav Process
Volume 12 Issue 2 Pages 153-159
Keywords Animals; *Color Perception; Columbidae; *Discrimination Learning; *Form Perception; *Generalization, Stimulus; Psychophysics; Transfer (Psychology)
Abstract Categorical coding is the tendency to respond similarly to discriminated stimuli. Past research indicates that pigeons can categorize colors according to at least three spectral regions. Two present experiments assessed the categorical coding of shapes and the existence of a higher order color category (all colors). Pigeons were trained on two independent tasks (matching-to-sample, and oddity-from-sample). One task involved red and a plus sign, the other a circle and green. On test trials one of the two comparison stimuli from one task was replaced by one of the stimuli from the other task. Differential performance based on which of the two stimuli from the other task was introduced suggested categorical coding rules. In Experiment 1 evidence for the categorical coding of sample shapes was found. Categorical color coding was also found; however, it was the comparison stimuli rather than the samples that were categorically coded. Experiment 2 replicated the categorical shape sample effect and ruled out the possibility that the particular colors used were responsible for the categorical coding of comparison stimuli. Overall, the results indicate that pigeons can develop categorical rules involving shapes and colors and that the color categories can be hierarchical.
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Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0097-7403 ISBN Medium
Area Expedition Conference
Notes PMID:3701264 Approved no
Call Number refbase @ user @ Serial 262
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Author Urcuioli, P.J.; Zentall, T.R.
Title Retrospective coding in pigeons' delayed matching-to-sample Type Journal Article
Year 1986 Publication (up) Journal of experimental psychology. Animal behavior processes Abbreviated Journal J Exp Psychol Anim Behav Process
Volume 12 Issue 1 Pages 69-77
Keywords Animals; *Color Perception; Columbidae; *Discrimination Learning; *Form Perception; *Memory; *Mental Recall; Orientation; *Pattern Recognition, Visual; Retention (Psychology)
Abstract In this study we examined how coding processes in pigeons' delayed matching-to-sample were affected by the stimuli to be remembered. In Experiment 1, two groups of pigeons initially learned 0-delay matching-to-sample with identical comparison stimuli (vertical and horizontal lines) but with different sample stimuli (red and green hues or vertical and horizontal lines). Longer delays were then introduced between sample offset and comparison onset to assess whether pigeons were prospectively coding the same events (viz., the correct line comparisons) or retrospectively coding different events (viz., their respective sample stimuli). The hue-sample group matched more accurately and showed a slower rate of forgetting than the line-sample group. In Experiment 2, pigeons were trained with either hues or lines as both sample and comparison stimuli, or with hue samples and line comparisons or vice versa. Subsequent delay tests revealed that the hue-sample groups remembered more accurately and generally showed slower rates of forgetting than the line-sample groups. Comparison dimension had little or no effect on performance. Together, these data suggest that pigeons retrospectively code the samples in delayed matching-to-sample.
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Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
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ISSN 0097-7403 ISBN Medium
Area Expedition Conference
Notes PMID:3701260 Approved no
Call Number refbase @ user @ Serial 263
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Author Zentall, T.R.; Hogan, D.E.; Edwards, C.A.; Hearst, E.
Title Oddity learning in the pigeon as a function of the number of incorrect alternatives Type Journal Article
Year 1980 Publication (up) Journal of experimental psychology. Animal behavior processes Abbreviated Journal J Exp Psychol Anim Behav Process
Volume 6 Issue 3 Pages 278-299
Keywords Animals; Choice Behavior; *Color Perception; Columbidae; *Discrimination Learning
Abstract Pigeons' rate of learning a two-color oddity task increased as a function of the number of incorrect alternatives from 2 to 24 in Experiments 1, 2, and 3. In general, pigeons that were transferred from many-incorrect-alternative to two-incorrect-alternative oddity performed better than controls, but considerably below baseline (Experiments 2 and 3). In Experiment 4, pigeons showed no unconditioned tendency to peck the odd stimulus among 24 incorect alternatives, when pecks were nondifferentially reinforced, and in Experiment 5, when this procedure was preceded by oddity training, a progressive drop in odd-stimulus pecking was found. In Experiment 6, pigeons exposed to a nine-stimulus array in which the odd stimulus appeared (a) in the center or (b) separate from the array learned faster than when the odd stimulus was at the edge. This outcome suggests ththe figure-ground relation between the odd stimulus and the incorrect alternatives plays a role in the facilitation produced by increasing the number of incorrect alternatives but that poor performance on the standard, three-alternative oddity task appears to be due to center-odd trials which provide a difficult size or number discrimination.
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Series Editor Series Title Abbreviated Series Title
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ISSN 0097-7403 ISBN Medium
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Notes PMID:7391753 Approved no
Call Number refbase @ user @ Serial 268
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Author Reid, P.J.; Shettleworth, S.J.
Title Detection of cryptic prey: search image or search rate? Type Journal Article
Year 1992 Publication (up) Journal of experimental psychology. Animal behavior processes Abbreviated Journal J Exp Psychol Anim Behav Process
Volume 18 Issue 3 Pages 273-286
Keywords Animals; Appetitive Behavior; *Attention; Color Perception; Columbidae; *Discrimination Learning; Food Preferences/psychology; *Imagination; *Mental Recall; *Predatory Behavior
Abstract Animals' improvement in capturing cryptic prey with experience has long been attributed to a perceptual mechanism, the specific search image. Detection could also be improved by adjusting rate of search. In a series of studies using both naturalistic and operant search tasks, pigeons searched for wheat, dyed to produce 1 conspicuous and 2 equally cryptic prey types. Contrary to the predictions of the search-rate hypothesis, pigeons given a choice between the 2 cryptic types took the type experienced most recently. However, experience with 1 cryptic type improved accuracy on the other cryptic type, a result inconsistent with a search image specific to 1 prey type. Search image may better be thought of as priming of attention to those features of the prey type that best distinguish the prey from the background.
Address University of Toronto, Ontario, Canada
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ISSN 0097-7403 ISBN Medium
Area Expedition Conference
Notes PMID:1619395 Approved no
Call Number refbase @ user @ Serial 381
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Author Beran, M.J.; Beran, M.M.; Harris, E.H.; Washburn, D.A.
Title Ordinal judgments and summation of nonvisible sets of food items by two chimpanzees and a rhesus macaque Type Journal Article
Year 2005 Publication (up) Journal of Experimental Psychology. Animal Behavior Processes Abbreviated Journal J Exp Psychol Anim Behav Process
Volume 31 Issue 3 Pages 351-362
Keywords Animals; Behavior, Animal; Chi-Square Distribution; Cognition; Color Perception/physiology; Female; *Food; Judgment/*physiology; Macaca mulatta; Male; Pan troglodytes; Serial Learning/*physiology; Size Perception
Abstract Two chimpanzees and a rhesus macaque rapidly learned the ordinal relations between 5 colors of containers (plastic eggs) when all containers of a given color contained a specific number of identical food items. All 3 animals also performed at high levels when comparing sets of containers with sets of visible food items. This indicates that the animals learned the approximate quantity of food items in containers of a given color. However, all animals failed in a summation task, in which a single container was compared with a set of 2 containers of a lesser individual quantity but a greater combined quantity. This difficulty was not overcome by sequential presentation of containers into opaque receptacles, but performance improved if the quantitative difference between sizes was very large.
Address Language Research Center, Georgia State University, Decatur, 30034, USA. mjberan@yahoo.com
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ISSN 0097-7403 ISBN Medium
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Notes PMID:16045389 Approved no
Call Number Equine Behaviour @ team @ Serial 2766
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Author Dunbar, K.; MacLeod, C.M.
Title A horse race of a different color: Stroop interference patterns with transformed words Type Journal Article
Year 1984 Publication (up) Journal of Experimental Psychology. Human Perception and Performance Abbreviated Journal J Exp Psychol Hum Percept Perform
Volume 10 Issue 5 Pages 622-639
Keywords *Attention; *Color Perception; Discrimination Learning; Humans; Orientation; Reaction Time; Reading; *Semantics
Abstract Four experiments investigated Stroop interference using geometrically transformed words. Over experiments, reading was made increasingly difficult by manipulating orientation uncertainty and the number of noncolor words. As a consequence, time to read color words aloud increased dramatically. Yet, even when reading a color word was considerably slower than naming the color of ink in which the word was printed, Stroop interference persisted virtually unaltered. This result is incompatible with the simple horse race model widely used to explain color-word interference. When reading became extremely slow, a reversed Stroop effect--interference in reading the word due to an incongruent ink color--appeared for one transformation together with the standard Stroop interference. Whether or not the concept of automaticity is invoked, relative speed of processing the word versus the color does not provide an adequate overall explanation of the Stroop phenomenon.
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ISSN 0096-1523 ISBN Medium
Area Expedition Conference
Notes PMID:6238123 Approved no
Call Number Equine Behaviour @ team @ Serial 4065
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Author Zentall, S.S.; Zentall, T.R.; Barack, R.C.
Title Distraction as a function of within-task stimulation for hyperactive and normal children Type Journal Article
Year 1978 Publication (up) Journal of learning disabilities Abbreviated Journal J Learn Disabil
Volume 11 Issue 9 Pages 540-548
Keywords *Attention; Child; Child, Preschool; Color Perception; Female; Humans; Hyperkinesis/*psychology; Male; Motor Skills; *Task Performance and Analysis; Visual Perception
Abstract
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Series Editor Series Title Abbreviated Series Title
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ISSN 0022-2194 ISBN Medium
Area Expedition Conference
Notes PMID:731119 Approved no
Call Number refbase @ user @ Serial 270
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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 (up) 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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Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0022-5002 ISBN Medium
Area Expedition Conference
Notes PMID:7714447 Approved no
Call Number refbase @ user @ Serial 256
Permanent link to this record