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	Author	Zentall, T.R.; Sutton, J.E.; Sherburne, L.M.
	Title	True imitative learning in pigeons			Type	Journal Article
	Year	1996	Publication	Psychol Sci	Abbreviated Journal
	Volume	7	Issue		Pages
	Keywords
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN		ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	Equine Behaviour @ team @ Zentall1996			Serial	6372
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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	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
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	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.; 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.
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	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:16812097			Approved	no
	Call Number	refbase @ user @			Serial	271
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	Author	Martin, T.I.; Zentall, T.R.; Lawrence, L.
	Title	Simple discrimination reversals in the domestic horse (Equus caballus): Effect of discriminative stimulus modality on learning to learn			Type	Journal Article
	Year	2006	Publication	Applied Animal Behaviour Science	Abbreviated Journal	Appl. Anim. Behav. Sci.
	Volume	101	Issue	3-4	Pages	328-338
	Keywords	Horse; Learning-to-learn; Discrimination Reversal
	Abstract	The cognitive capacity of an organism, relative to that of other species, can be assessed by using a relative measure of learning. One such measure is the ability of an organism to learn about the reversal of a discrimination. The present study compared the performance of two groups of horses on a simple discrimination reversal task when the only difference between the groups was the modality of the relevant cue. For the visual group (absence or presence of a light), the spatial position was irrelevant. For the spatial group, a spatial cue (left/right) was available and the visual cue was irrelevant. Horses in the spatial group learned the original discrimination and six reversals; they also showed evidence of learning to learn. Horses in the visual group did not reach criterion during the study. As a result, there was no evidence of learning to learn.
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN		ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	refbase @ user @			Serial	289
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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	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
	Publisher		Place of Publication		Editor
	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	Urcuioli, P.J.; DeMarse, T.B.; Zentall, T.R.
	Title	Transfer across delayed discriminations: II. Differences in the substitutability of initial versus test stimuli			Type	Journal Article
	Year	1998	Publication	Journal of experimental psychology. Animal behavior processes	Abbreviated Journal	J Exp Psychol Anim Behav Process
	Volume	24	Issue	1	Pages	47-59
	Keywords	Animals; Behavior, Animal; Columbidae/physiology; Discrimination Learning/physiology; Pattern Recognition, Visual/physiology; Reinforcement (Psychology); Retention (Psychology)/physiology
	Abstract	In 2 experiments, pigeons were trained on, and then transferred to, delayed simple discriminations in which the initial stimuli signalled reinforcement versus extinction following a retention interval. Experiment 1 showed that discriminative responding on the retention test transferred to novel test stimuli that had appeared in another delayed simple discrimination but not to stimuli having the same reinforcement history off-baseline. By contrast, Experiment 2 showed that performances transferred to novel initial stimuli whether they had been trained on-baseline or off-baseline. These results suggest that the test stimuli in delayed simple discriminations acquire control over responding only in the memory task itself. On the other hand, control by the initial stimuli, if coded as outcome expectancies, does not require such task-specific training.
	Address	Department of Psychological Sciences, Purdue University, West Lafayette, Indiana 47907-1364, USA. uche@psych.purdue.edu
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	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:9438965			Approved	no
	Call Number	refbase @ user @			Serial	253
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	Author	Dorrance, B.R.; Zentall, T.R.
	Title	Imitation of conditional discriminations in pigeons (Columba livia)			Type	Journal Article
	Year	2002	Publication	Journal of comparative psychology (Washington, D.C. : 1983)	Abbreviated Journal	J Comp Psychol
	Volume	116	Issue	3	Pages	277-285
	Keywords	Animals; Behavior, Animal/physiology; Columbidae; Conditioning (Psychology)/physiology; Discrimination Learning/physiology; Habituation, Psychophysiologic; *Imitative Behavior; Light; Reinforcement (Psychology)
	Abstract	In the present experiments, the 2-action method was used to determine whether pigeons could learn to imitate a conditional discrimination. Demonstrator pigeons (Columba livia) stepped on a treadle in the presence of 1 light and pecked at the treadle in the presence of another light. Demonstration did not seem to affect acquisition of the conditional discrimination (Experiment 1) but did facilitate its reversal of the conditional discrimination (Experiments 2 and 3). The results suggest that pigeons are not only able to learn a specific behavior by observing another pigeon, but they can also learn under which circumstances to perform that behavior. The results have implications for proposed mechanisms of imitation in animals.
	Address	Department of Psychology, Augustana College, Rock Island, Illinois 61201, USA. psdorrance@augustana.edu
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0735-7036	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:12234078			Approved	no
	Call Number	refbase @ user @			Serial	240
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	Author	Kaiser, D.H.; Zentall, T.R.; Neiman, E.
	Title	Timing in pigeons: effects of the similarity between intertrial interval and gap in a timing signal			Type	Journal Article
	Year	2002	Publication	Journal of experimental psychology. Animal behavior processes	Abbreviated Journal	J Exp Psychol Anim Behav Process
	Volume	28	Issue	4	Pages	416-422
	Keywords	Animals; Attention; Columbidae; Conditioning, Operant; Discrimination Learning; Mental Recall; Probability Learning; Reinforcement (Psychology); Reinforcement Schedule; Retention (Psychology); Time Factors; *Time Perception/physiology
	Abstract	Previous research suggests that when a fixed interval is interrupted (known as the gap procedure), pigeons tend to reset memory and start timing from 0 after the gap. However, because the ambient conditions of the gap typically have been the same as during the intertrial interval (ITI), ambiguity may have resulted. In the present experiment, the authors found that when ambient conditions during the gap were similar to the ITI, pigeons tended to reset memory, but when ambient conditions during the gap were different from the ITI, pigeons tended to stop timing, retain the duration of the stimulus in memory, and add to that time when the stimulus reappeared. Thus, when the gap was unambiguous, pigeons timed accurately.
	Address	Department of Psychology, East Carolina University, Greenville, North Carolina 27858, USA. kaiserd@mail.ecu.edu
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	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:12395499			Approved	no
	Call Number	refbase @ user @			Serial	238
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	Author	Zentall, T.R.; Sherburne, L.M.; Roper, K.L.; Kraemer, P.J.
	Title	Value transfer in a simultaneous discrimination appears to result from within-event pavlovian conditioning			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	68-75
	Keywords	Animals; Behavior, Animal; Columbidae; Conditioning, Classical; Discrimination Learning; Female; Male; *Reinforcement (Psychology)
	Abstract	When pigeons acquire a simple simultaneous discrimination, some of the value acquired by the S+ transfers to the S-. The mechanism underlying this transfer of value was examined in three experiments. In Experiment 1, pigeons trained on two simultaneous discriminations (A + B- and C +/- D-) showed a preference for B over D. This preference was reduced, however, following the devaluation of A. In Experiment 2, when after the same original training, value was given to D, the pigeons' preference for C did not significantly increase. In Experiment 3, when both discriminations involved partial reinforcement (S +/-), A + C- training resulted in a preference for B over D, whereas B + D- training resulted in a preference for A over C. Thus, simultaneous discrimination training appears to result in bidirectional within-event conditioning involving the S+ and S-.
	Address	Department of Psychology, University of Kentucky Lexington 40506, USA
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	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:8568497			Approved	no
	Call Number	refbase @ user @			Serial	255
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	Author	Zentall, T.R.
	Title	Timing, memory for intervals, and memory for untimed stimuli: The role of instructional ambiguity			Type	Journal Article
	Year	2006	Publication	Behavioural processes	Abbreviated Journal	Behav. Process.
	Volume	71	Issue	2-3	Pages	88-97
	Keywords
	Abstract	Theories of animal timing have had to account for findings that the memory for the duration of a timed interval appears to be dramatically shorted within a short time of its termination. This finding has led to the subjective shortening hypothesis and it has been proposed to account for the poor memory that animals appear to have for the initial portion of a timed interval when a gap is inserted in the to-be-timed signal. It has also been proposed to account for the poor memory for a relatively long interval that has been discriminated from a shorter interval. I suggest here a simpler account in which ambiguity between the gap or retention interval and the intertrial interval results in resetting the clock, rather than forgetting the interval. The ambiguity hypothesis, together with a signal salience mechanism that determines how quickly the clock is reset at the start of the intertrial interval can account for the results of the reported timing experiments that have used the peak procedure. Furthermore, instructional ambiguity rather than memory loss may account for the results of many animal memory experiments that do not involve memory for time.
	Address	Department of Psychology, University of Kentucky, 202B Kastle Hall, Lexington, KY 40506-0044, USA. zentall@uky.edu
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0376-6357	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:16406373			Approved	no
	Call Number	refbase @ user @			Serial	219
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