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	Author	Shettleworth, S.J.
	Title	Animal behaviour: planning for breakfast			Type	Journal Article
	Year	2007	Publication	Nature	Abbreviated Journal	Nature
	Volume	445	Issue	7130	Pages	825-826
	Keywords	Animals; Feeding Behavior/physiology; Food; Haplorhini/physiology; Memory/physiology; Songbirds/physiology; Thinking/physiology
	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	1476-4687	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:17314961			Approved	no
	Call Number	refbase @ user @			Serial	356
Permanent link to this record



	Author	Shettleworth, S.J.; Westwood, R.P.
	Title	Divided attention, memory, and spatial discrimination in food-storing and nonstoring birds, black-capped chickadees (Poecile atricapilla) and dark-eyed juncos (Junco hyemalis)			Type	Journal Article
	Year	2002	Publication	Journal of experimental psychology. Animal behavior processes	Abbreviated Journal	J Exp Psychol Anim Behav Process
	Volume	28	Issue	3	Pages	227-241
	Keywords	Animals; Attention/physiology; Behavior, Animal/physiology; Birds; Discrimination (Psychology); Food Habits; Memory/physiology; Space Perception/physiology; Spatial Behavior/physiology
	Abstract	Food-storing birds, black-capped chickadees (Poecile atricapilla), and nonstoring birds, dark-eyed juncos (Junco hyemalis), matched color or location on a touch screen. Both species showed a divided attention effect for color but not for location (Experiment 1). Chickadees performed better on location than on color with retention intervals up to 40 s, but juncos did not (Experiment 2). Increasing sample-distractor distance improved performance similarly in both species. Multidimensional scaling revealed that both use a Euclidean metric of spatial similarity (Experiment 3). When choosing between the location and color of a remembered item, food storers choose location more than do nonstorers. These results explain this effect by differences in memory for location relative to color, not division of attention or spatial discrimination ability.
	Address	Department of Psychology, University of Toronto, 100 Saint George Street, Toronto, Ontario M5S 3G3, Canada. 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	0097-7403	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:12136700			Approved	no
	Call Number	refbase @ user @			Serial	370
Permanent link to this record



	Author	Hampton, R.R.; Sherry, D.F.; Shettleworth, S.J.; Khurgel, M.; Ivy, G.
	Title	Hippocampal volume and food-storing behavior are related in parids			Type	Journal Article
	Year	1995	Publication	Brain, behavior and evolution	Abbreviated Journal	Brain Behav Evol
	Volume	45	Issue	1	Pages	54-61
	Keywords	Animals; Appetitive Behavior/physiology; Birds/anatomy & histology; Brain Mapping; Evolution; Food Preferences/physiology; Hippocampus/anatomy & histology; Mental Recall/physiology; Orientation/*physiology; Predatory Behavior/physiology; Social Environment; Species Specificity
	Abstract	The size of the hippocampus has been previously shown to reflect species differences and sex differences in reliance on spatial memory to locate ecologically important resources, such as food and mates. Black-capped chickadees (Parus atricapillus) cached more food than did either Mexican chickadees (P. sclateri) or bridled titmice (P. wollweberi) in two tests of food storing, one conducted in an aviary and another in smaller home cages. Black-capped chickadees were also found to have a larger hippocampus, relative to the size of the telencephalon, than the other two species. Differences in the frequency of food storing behavior among the three species have probably produced differences in the use of hippocampus-dependent memory and spatial information processing to recover stored food, resulting in graded selection for size of the hippocampus.
	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	0006-8977	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:7866771			Approved	no
	Call Number	refbase @ user @			Serial	379
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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	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
	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:1619395			Approved	no
	Call Number	refbase @ user @			Serial	381
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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
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	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	Reinforcement and the organization of behavior in golden hamsters: Pavlovian conditioning with food and shock unconditioned stimuli			Type	Journal Article
	Year	1978	Publication	Journal of experimental psychology. Animal behavior processes	Abbreviated Journal	J Exp Psychol Anim Behav Process
	Volume	4	Issue	2	Pages	152-169
	Keywords	Acoustic Stimulation; Animals; Behavior, Animal; Conditioning, Classical; Conditioning, Operant; Cricetinae; Electroshock; Female; Food; Male; Punishment; *Reinforcement (Psychology); Reinforcement Schedule
	Abstract	The effects of Pavlovian conditioned stimuli (CSs) for food or shock on a variety of behaviors of golden hamsters were observed in three experiments. The aim was to see whether previously reported differences among the behaviors produced by food reinforcement and punishment procedures could be accounted for by differential effects of Pavlovian conditioning on the behaviors. There was some correspondence between the behaviors observed to the CSs and the previously reported effects of instrumental training. However, the Pavlovian conditioned responses (CRs) alone would not have predicted the effects of instrumental training. Moreover, CRs depended to some extent on the context in which training and testing occurred. These findings, together with others in the literature, suggest that the results of Pavlovian conditioning procedures may not unambiguously predict what system of behaviors will be most readily modified by instrumental training with a given reinforcer.
	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:670890			Approved	no
	Call Number	refbase @ user @			Serial	387
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	Author	Moehlman, P.D.
	Title	Endangered wild equids			Type	Journal Article
	Year	2005	Publication	Scientific American	Abbreviated Journal	Sci Am
	Volume	292	Issue	3	Pages	74-81
	Keywords	Africa; Americas; Animals; Animals, Wild/physiology; Asia; Conservation of Energy Resources; Environment; *Equidae/physiology; Food Chain; Humans; Male; Reproduction
	Abstract
	Address	IUCN-The World Conservation Union/Species Survival Commission Equid Specialist Group
	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	0036-8733	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:15859216			Approved	no
	Call Number	refbase @ user @			Serial	551
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	Author	Hare, B.; Brown, M.; Williamson, C.; Tomasello, M.
	Title	The domestication of social cognition in dogs			Type	Journal Article
	Year	2002	Publication	Science (New York, N.Y.)	Abbreviated Journal	Science
	Volume	298	Issue	5598	Pages	1634-1636
	Keywords	Animals; Animals, Domestic; Behavior, Animal; Cognition; Cues; Dogs; Food; Humans; Memory; Pan troglodytes; Social Behavior; Species Specificity; Vision; Wolves
	Abstract	Dogs are more skillful than great apes at a number of tasks in which they must read human communicative signals indicating the location of hidden food. In this study, we found that wolves who were raised by humans do not show these same skills, whereas domestic dog puppies only a few weeks old, even those that have had little human contact, do show these skills. These findings suggest that during the process of domestication, dogs have been selected for a set of social-cognitive abilities that enable them to communicate with humans in unique ways.
	Address	Department of Anthropology, Harvard University, Cambridge, MA 02138, USA. bhare@fas.harvard.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	1095-9203	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:12446914			Approved	no
	Call Number	refbase @ user @			Serial	595
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	Author	Brauer, J.; Kaminski, J.; Riedel, J.; Call, J.; Tomasello, M.
	Title	Making inferences about the location of hidden food: social dog, causal ape			Type	Journal Article
	Year	2006	Publication	Journal of comparative psychology	Abbreviated Journal	J Comp Psychol
	Volume	120	Issue	1	Pages	38-47
	Keywords	Animals; Communication; Cues; Dogs; Exploratory Behavior; Feeding Behavior; Female; Food; Male; Pan paniscus; Pan troglodytes; *Visual Perception
	Abstract	Domestic dogs (Canis familiaris) and great apes from the genus Pan were tested on a series of object choice tasks. In each task, the location of hidden food was indicated for subjects by some kind of communicative, behavioral, or physical cue. On the basis of differences in the ecologies of these 2 genera, as well as on previous research, the authors hypothesized that dogs should be especially skillful in using human communicative cues such as the pointing gesture, whereas apes should be especially skillful in using physical, causal cues such as food in a cup making noise when it is shaken. The overall pattern of performance by the 2 genera strongly supported this social-dog, causal-ape hypothesis. This result is discussed in terms of apes' adaptations for complex, extractive foraging and dogs' adaptations, during the domestication process, for cooperative communication with humans.
	Address	Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany. jbraeuer@eva.mpg.de
	Corporate Author				Thesis
	Publisher		Place of Publication	Washington, D.C. : 1983	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:16551163			Approved	yes
	Call Number	refbase @ user @			Serial	597
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