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	Author	Shettleworth, S.J.; Plowright, C.M.
	Title	How pigeons estimate rates of prey encounter			Type	Journal Article
	Year	1992	Publication	Journal of experimental psychology. Animal behavior processes	Abbreviated Journal	J Exp Psychol Anim Behav Process
	Volume	18	Issue	3	Pages	219-235
	Keywords	Analysis of Variance; Animals; Appetitive Behavior; Columbidae; Conditioning, Operant; Food Preferences/psychology; Motivation; Predatory Behavior; Probability Learning; *Reinforcement Schedule; Social Environment
	Abstract	Pigeons were trained on operant schedules simulating successive encounters with prey items. When items were encountered on variable-interval schedules, birds were more likely to accept a poor item (long delay to food) the longer they had just searched, as if they were averaging prey density over a short memory window (Experiment 1). Responding as if the immediate future would be like the immediate past was reversed when a short search predicted a long search next time (Experiment 2). Experience with different degrees of environmental predictability appeared to change the length of the memory window (Experiment 3). The results may reflect linear waiting (Higa, Wynne, & Staddon, 1991), but they differ in some respects. The findings have implications for possible mechanisms of adjusting behavior to current reinforcement conditions.
	Address	Department of Psychology, University of Toronto, Ontario, Canada
	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:1619391			Approved	no
	Call Number	refbase @ user @			Serial	382
Permanent link to this record



	Author	Shettleworth, S.J.; Krebs, J.R.
	Title	How marsh tits find their hoards: the roles of site preference and spatial memory			Type	Journal Article
	Year	1982	Publication	Journal of experimental psychology. Animal behavior processes	Abbreviated Journal	J Exp Psychol Anim Behav Process
	Volume	8	Issue	4	Pages	354-375
	Keywords	Animals; Appetitive Behavior; Birds; Cues; Discrimination Learning; Memory; Mental Recall; Orientation; *Space Perception
	Abstract	Marsh tits (Parus palustris) store single food items in scattered locations and recover them hours or days later. Some properties of the spatial memory involved were analyzed in two laboratory experiments. In the first, marsh tits were offered 97 sites for storing 12 seeds. They recovered a median of 65% of them 2-3 hr later, making only two errors per seed while doing so. Over trials, they used some sites more often than others, but during recovery they were more likely to visit a site of any preference value if they had stored a seed there that day than if they had not. Recovery performance was much worse if the experimenters moved the seeds between storage and recovery. A fixed search strategy that had some of the same average properties as the tits' search behavior also did worse than the real birds. In Experiment 2, any tendency to visit the same sites on successive daily tests in the aviary was placed in opposition to memory for storage sites by allowing the tits to store more seeds 2 hr after storing a first batch. They tended to avoid individual storage sites holding seeds from the first batch. When the tits searched for all the seeds 2 hr later, they tended to recover more seeds from the second batch than from the first, i.e., there was a recency effect.
	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	0097-7403	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:7175447			Approved	no
	Call Number	refbase @ user @			Serial	385
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	Author	Shettleworth, S.J.
	Title	Taking the best for learning			Type	Journal Article
	Year	2005	Publication	Behavioural processes	Abbreviated Journal	Behav. Process.
	Volume	69	Issue	2	Pages	147-9; author reply 159-63
	Keywords	Algorithms; Animals; Behavior, Animal; Decision Making; Evolution; Learning; Models, Theoretical
	Abstract	Examples of how animals learn when multiple, sometimes redundant, cues are present provide further examples not considered by Hutchinson and Gigerenzer that seem to fit the principle of taking the best. “The best” may the most valid cue in the present circumstances; evolution may also produce species-specific biases to use the most functionally relevant cues.
	Address	Department of Psychology, University of Toronto, Toronto, Ont., Canada M5S 3G3. shettle@psych.utoronto.ca
	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:15845301			Approved	no
	Call Number	refbase @ user @			Serial	361
Permanent link to this record



	Author	Shettleworth, S.J.
	Title	Varieties of learning and memory in animals			Type	Journal Article
	Year	1993	Publication	Journal of experimental psychology. Animal behavior processes	Abbreviated Journal	J Exp Psychol Anim Behav Process
	Volume	19	Issue	1	Pages	5-14
	Keywords	Animals; Association Learning; Birds; Conditioning, Classical; Evolution; Imprinting (Psychology); Learning; Memory; Social Environment; Species Specificity; Taste
	Abstract	It is often assumed that there is more than one kind of learning--or more than one memory system--each of which is specialized for a different function. Yet, the criteria by which the varieties of learning and memory should be distinguished are seldom clear. Learning and memory phenomena can differ from one another across species or situations (and thus be specialized) in a number of different ways. What is needed is a consistent theoretical approach to the whole range of learning phenomena, and one is explored here. Parallels and contrasts in the study of sensory systems illustrate one way to integrate the study of general mechanisms with an appreciation of species-specific adaptations.
	Address	Department of Psychology, University of Toronto, Ontario, Canada
	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:8418217			Approved	no
	Call Number	refbase @ user @			Serial	380
Permanent link to this record



	Author	Shettleworth, S.J.
	Title	Foraging, memory, and constraints on learning			Type	Journal Article
	Year	1985	Publication	Annals of the New York Academy of Sciences	Abbreviated Journal	Ann N Y Acad Sci
	Volume	443	Issue		Pages	216-226
	Keywords	Animals; Animals, Wild; Appetitive Behavior; Avoidance Learning; Birds; Conditioning, Classical; Discrimination Learning; Food Preferences; Memory; Mental Recall; Motivation; Predatory Behavior; Rats; *Taste
	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	0077-8923	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:3860072			Approved	no
	Call Number	refbase @ user @			Serial	384
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	Author	Shettleworth, S.J.
	Title	Stimulus relevance in the control of drinking and conditioned fear responses in domestic chicks (Gallus gallus)			Type	Journal Article
	Year	1972	Publication	Journal of comparative and physiological psychology	Abbreviated Journal	J Comp Physiol Psychol
	Volume	80	Issue	2	Pages	175-198
	Keywords	Acoustic Stimulation; Animals; Auditory Perception; Chickens; Conditioning (Psychology); Conditioning, Classical; Discrimination Learning; Drinking Behavior; Electroshock; Fear; Light; Motor Activity; Photic Stimulation; Punishment; Quinine; *Sound; Taste; 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	0021-9940	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:5047826			Approved	no
	Call Number	refbase @ user @			Serial	390
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	Author	Seyfarth, R.M.; Cheney, D.L.
	Title	What are big brains for?			Type	Journal Article
	Year	2002	Publication	Proceedings of the National Academy of Sciences of the United States of America	Abbreviated Journal	Proc. Natl. Acad. Sci. U.S.A.
	Volume	99	Issue	7	Pages	4141-4142
	Keywords	Animals; Brain/anatomy & histology; Intelligence; Learning; Primates/anatomy & histology/psychology; Social Behavior
	Abstract
	Address	Department of Psychology, University of Pennsylvania, Philadelphia, PA 19104, USA. seyfarth@psych.upenn.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	0027-8424	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:11929989			Approved	no
	Call Number	refbase @ user @			Serial	692
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	Author	Schwartz, B.L.; Meissner, C.A.; Hoffman, M.; Evans, S.; Frazier, L.D.
	Title	Event memory and misinformation effects in a gorilla (Gorilla gorilla gorilla)			Type	Journal Article
	Year	2004	Publication	Animal Cognition	Abbreviated Journal	Anim. Cogn.
	Volume	7	Issue	2	Pages	93-100
	Keywords	Animals; Deception; Discrimination Learning; Gorilla gorilla/psychology; Male; Pattern Recognition, Visual; Photography; *Recognition (Psychology)
	Abstract	Event memory and misinformation effects were examined in an adult male gorilla ( Gorilla gorilla gorilla). The gorilla witnessed a series of unique events, involving a familiar person engaging in a novel behavior (experiment 1), a novel person engaging in a novel behavior (experiment 2), or the presentation of a novel object (experiment 3). Following a 5- to 10-min retention interval, a tester gave the gorilla three photographs mounted on wooden cards: a photograph depicting the correct person or object and two distractor photographs drawn from the same class. The gorilla responded by returning a photograph. If correct, he was reinforced with food. Across three experiments, the gorilla performed significantly above chance at recognizing the target photograph. In experiment 4, the gorilla showed at-chance performance when the event was followed by misinformation (a class-consistent, but incorrect photograph), but significantly above-chance performance when no misinformation occurred (either correct photograph or no photograph). Although the familiarity can account for these data, they are also consistent with an episodic-memory interpretation.
	Address	Florida International University, University Park, FL 33199, Miami, USA. schwartb@fiu.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	1435-9448	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:15069608			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2532
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	Author	Schwartz, B.L.; Evans, S.
	Title	Episodic memory in primates			Type	Journal Article
	Year	2001	Publication	American journal of primatology	Abbreviated Journal	Am. J. Primatol.
	Volume	55	Issue	2	Pages	71-85
	Keywords	Animals; Behavior, Animal; Discrimination Learning; Hominidae/psychology; Humans; *Memory; Self Concept
	Abstract	Episodic memory refers to a system of memory with the capacity to recollect specific events from an individual's life. Some psychologists have suggested that episodic memory is a uniquely human phenomenon. We challenge that idea and present evidence that great apes and other primates may possess episodic-like memory. We review criteria developed to assess episodic-like memory in nonhumans, and how they apply to primates. In particular, we discuss the criteria of Clayton et al. [2001], who stated that episodic-like memory is based on the retrieval of multiple and integrated components of an event. We then review eight studies examining memory in great apes and apply the Clayton et al. criteria to each of them. We summarize the evidence that is compatible with the existence of episodic-like memory, although none of the data completely satisfy the Clayton et al. criteria. Morover, feelings of pastness and feelings of confidence, which mark episodic memory in humans, have not been empirically addressed in nonhuman primates. Future studies should be directed at these aspects of memory in primates. We speculate on the functional significance of episodic memory in nonhuman primates.
	Address	Dept of Psychology, Florida International University, Miami, Florida 33199, USA. SchwartB@fiu.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	0275-2565	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:11668526			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	4115
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	Author	Schwartz, B.L.; Colon, M.R.; Sanchez, I.C.; Rodriguez, I.A.; Evans, S.
	Title	Single-trial learning of “what” and “who” information in a gorilla (Gorilla gorilla gorilla): implications for episodic memory			Type	Journal Article
	Year	2002	Publication	Animal Cognition	Abbreviated Journal	Anim. Cogn.
	Volume	5	Issue	2	Pages	85-90
	Keywords	Animals; Cognition; Gorilla gorilla/psychology; Learning; Male; *Memory; Perception; Reinforcement Schedule
	Abstract	Single-trial learning and long-term memory of “what” and “who” information were examined in an adult gorilla (Gorilla gorilla gorilla). We presented the gorilla with a to-be-remembered food item at the time of study. In Experiment 1, following a retention interval of either approximately 7 min or 24 h, the gorilla responded with one of five cards, each corresponding to a particular food. The gorilla was accurate on 70% of the short retention-interval trials and on 82% of the long retention-interval trials. In Experiment 2, the food stimulus was provided by one of two experimenters, each of whom was represented by a card. The gorilla identified the food (55% of the time) and the experimenter (82% of the time) on the short retention-interval trials. On the long retention-interval trials, the gorilla was accurate for the food (73%) and for the person (87%). The results are interpreted in light of theories of episodic memory.
	Address	Department of Psychology, Florida International University, University Park, Miami, FL 33199, USA. schwartb@fiu.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	1435-9448	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:12150040			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2604
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