| Records |
Author  |
Zentall, S.S.; Zentall, T.R. |
| Title |
Activity and task performance of hyperactive children as a function of environmental stimulation |
Type |
Journal Article |
| Year |
1976 |
Publication |
Journal of consulting and clinical psychology |
Abbreviated Journal |
J Consult Clin Psychol |
| Volume |
44 |
Issue |
5 |
Pages |
693-697 |
| Keywords |
Achievement; Acoustic Stimulation; *Arousal; Auditory Perception; Child; Humans; Hyperkinesis/*etiology; Photic Stimulation; Visual Perception |
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English |
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| ISSN |
0022-006X |
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| Notes |
PMID:965541 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
272 |
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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 |
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English |
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Edition |
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| ISSN |
0022-2194 |
ISBN |
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Expedition |
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Conference |
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| Notes |
PMID:731119 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
270 |
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| Author |
Zentall, T.R |
| Title |
Imitation In Animals: Evidence, Function, And Mechanisms |
Type |
Journal Article |
| Year |
2001 |
Publication |
Cybernetics and Systems |
Abbreviated Journal |
Cybern Syst |
| Volume |
32 |
Issue |
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Pages |
53-96 |
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| Abstract |
The terms sociallearning and social influence have been used descriptively and theoretically to characterize a broad range of animal behavior from physical antipredatory adaptations such as eye spots, which are totally under genetic control, to the human capacity for the exaggeration of individual characteristics, known as caricature, which are largely under cognitive control. In the present review, the various forms of social influence and social learning are identified and distinghished from imitation, a term that generally has been reserved for behavioral matching that cannot be accounted for using simpler specifically predisposed, motivational, or learning mechanisms. It is suggested that much of the ambiguity in the literature concerning the various forms of social learning can be attributed to the distinction between the function of a behavior and the mechanisms responsible for its occurrence. Finally, the various mechanisms that have been proposed to account for imitative learning are presented and an attempt is made to evaluate them. |
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Approved |
no |
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refbase @ user @ |
Serial |
747 |
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| Author |
Zentall, T.R. |
| Title |
Temporal discrimination learning by pigeons |
Type |
Journal Article |
| Year |
2007 |
Publication |
Behavioural processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
74 |
Issue |
2 |
Pages |
286-292 |
| Keywords |
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| Abstract |
Memory for time by animals appears to undergo a systematic shortening. This so-called choose-short effect can be seen in a conditional temporal discrimination when a delay is inserted between the sample and comparison stimuli. We have proposed that this temporal shortening may result from a procedural artifact in which the delay appears similar to the intertrial interval and thus, produces an inadvertent ambiguity or 'instructional failure'. When this ambiguity is avoided by distinguishing the intertrial interval from the delay, as well as the samples from the delay, the temporal shortening effect and other asymmetries often disappear. By avoiding artifacts that can lead to a misinterpretation of results, we may understand better how animals represent time. An alternative procedure for studying temporal discriminations is with the psychophysical bisection procedure in which following conditional discrimination training, intermediate durations are presented and the point of subjective equality is determined. Research using the bisection procedure has shown that pigeons represent temporal durations not only as their absolute value but also relative to durations from which they must be discriminated. Using this procedure, we have also found that time passes subjectively slower when animals are required to respond to the to-be-timed stimulus. |
| Address |
Department of Psychology, University of Kentucky, Lexington, KY 40506, United States. zentall@uky.edu |
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English |
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Edition |
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| ISSN |
0376-6357 |
ISBN |
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Medium |
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Conference |
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| Notes |
PMID:17110057 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
216 |
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| Author |
Zentall, T.R. |
| Title |
Imitation: definitions, evidence, and mechanisms |
Type |
Journal Article |
| Year |
2006 |
Publication |
Animal cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
9 |
Issue |
4 |
Pages |
335-353 |
| Keywords |
Adaptation, Psychological; Animals; *Behavior, Animal; *Imitative Behavior; *Learning; Motivation; *Social Environment; Transfer (Psychology) |
| Abstract |
Imitation can be defined as the copying of behavior. To a biologist, interest in imitation is focused on its adaptive value for the survival of the organism, but to a psychologist, the mechanisms responsible for imitation are the most interesting. For psychologists, the most important cases of imitation are those that involve demonstrated behavior that the imitator cannot see when it performs the behavior (e.g., scratching one's head). Such examples of imitation are sometimes referred to as opaque imitation because they are difficult to account for without positing cognitive mechanisms, such as perspective taking, that most animals have not been acknowledged to have. The present review first identifies various forms of social influence and social learning that do not qualify as opaque imitation, including species-typical mechanisms (e.g., mimicry and contagion), motivational mechanisms (e.g., social facilitation, incentive motivation, transfer of fear), attentional mechanisms (e.g., local enhancement, stimulus enhancement), imprinting, following, observational conditioning, and learning how the environment works (affordance learning). It then presents evidence for different forms of opaque imitation in animals, and identifies characteristics of human imitation that have been proposed to distinguish it from animal imitation. Finally, it examines the role played in opaque imitation by demonstrator reinforcement and observer motivation. Although accounts of imitation have been proposed that vary in their level of analysis from neural to cognitive, at present no theory of imitation appears to be adequate to account for the varied results that have been found. |
| Address |
Department of Psychology, University of Kentucky, Lexington, KY 40506-0044, USA. Zentall@uky.edu |
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English |
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| ISSN |
1435-9448 |
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Conference |
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| Notes |
PMID:17024510 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
217 |
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| Author |
Zentall, T.R. |
| Title |
Mental time travel in animals: a challenging question |
Type |
Journal Article |
| Year |
2006 |
Publication |
Behavioural processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
72 |
Issue |
2 |
Pages |
173-183 |
| Keywords |
Animals; *Behavior, Animal; Columbidae; Concept Formation; Conditioning, Operant; *Imagination; *Memory; Mental Recall; Planning Techniques; Rats; *Time Perception; Transfer (Psychology) |
| Abstract |
Humans have the ability to mentally recreate past events (using episodic memory) and imagine future events (by planning). The best evidence for such mental time travel is personal and thus subjective. For this reason, it is particularly difficult to study such behavior in animals. There is some indirect evidence, however, that animals have both episodic memory and the ability to plan for the future. When unexpectedly asked to do so, animals can report about their recent past experiences (episodic memory) and they also appear to be able to use the anticipation of a future event as the basis for a present action (planning). Thus, the ability to imagine past and future events may not be uniquely human. |
| Address |
Department of Psychology, University of Kentucky, Lexington, KY 40506-0044, USA. zentall@uky.edu |
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English |
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0376-6357 |
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| Notes |
PMID:16466863 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
218 |
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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 |
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| 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 |
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English |
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0376-6357 |
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Conference |
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| Notes |
PMID:16406373 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
219 |
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| Author |
Zentall, T.R. |
| Title |
Configural/holistic processing or differential element versus compound similarity |
Type |
Journal Article |
| Year |
2005 |
Publication |
Animal cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
8 |
Issue |
2 |
Pages |
141-142 |
| Keywords |
Animals; *Chickens; Conditioning, Classical; *Discrimination Learning; Female; *Pattern Recognition, Visual; Photic Stimulation; *Visual Perception |
| Abstract |
Before accepting a configural or holistic account of visual perception, one should be sure that an analytic (elemental) account does not provide an equal or better explanation of the results. I suggest that when one forms a compound of a color and a line orientation with one element previously trained as an S+ and the other as an S-, the resulting transfer found will depend on the relative salience of the two elements, and most important, the similarity of the compound to each of the training stimuli. Thus, if a line orientation is placed on a colored background (a separable compound), it will appear more like the colored field used in training, and color will control responding. However, if the line itself is colored (an integral compound), the compound will appear more like the line used in training, and line orientation will control responding. Not only does this account do a better job of explaining the data but it is simpler and it is testable. |
| Address |
Department of Psychology, University of Kentucky, Lexington, KY 40506-0044, USA. zentall@uky.edu |
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English |
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1435-9448 |
ISBN |
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Conference |
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| Notes |
PMID:15449103 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
229 |
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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 |
2005 |
Publication |
Behavioural processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
70 |
Issue |
3 |
Pages |
209-222 |
| Keywords |
Animals; *Attention; Columbidae; *Discrimination Learning; *Memory, Short-Term; Practice (Psychology); Reinforcement Schedule; *Retention (Psychology); *Time Perception |
| 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 |
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English |
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Edition |
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| ISSN |
0376-6357 |
ISBN |
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Medium |
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Expedition |
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Conference |
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| Notes |
PMID:16095851 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
222 |
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| Author |
Zentall, T.R. |
| Title |
Selective and divided attention in animals |
Type |
Journal Article |
| Year |
2005 |
Publication |
Behavioural processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
69 |
Issue |
1 |
Pages |
1-15 |
| Keywords |
Animals; *Attention; *Behavior, Animal; *Discrimination (Psychology); *Field Dependence-Independence; *Psychological Theory |
| Abstract |
This article reviews some of the research on attentional processes in animals. In the traditional approach to selective attention, it is proposed that in addition to specific response attachments, animals also learn something about the dimension along which the stimuli fall (e.g., hue, brightness, or line orientation). More recently, there has been an attempt to find animal analogs to methodologies originally applied to research with humans. One line of research has been directed to the question of whether animals can locate a target among distracters faster if they are prepared for the presentation of the target (search image and priming). In the study of search image, the target is typically a food item and the cue consists of previous trials on which the same target is presented. In research on priming effects, the cue is typically different from the target but is a good predictor of its occurrence. The study of preattentive processes shows that perceptually, certain stimuli stand out from distracters better than others, depending not only on characteristics of the target relative to the distracters, but also on relations among the distracters. Research on divided attention is examined with the goal of determining whether an animal can process two elements of a compound sample with the same efficiency as one. Taken together, the reviewed research indicates that animals are capable of centrally (not just peripherally) attending to selective aspects of a stimulus display. |
| Address |
Department of Psychology, University of Kentucky, 202B Kastle Hall, Lexington, KY 40506-0044, USA. Zentall@uky.edu |
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English |
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0376-6357 |
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| Notes |
PMID:15795066 |
Approved |
no |
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refbase @ user @ |
Serial |
224 |
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