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Author |
Shettleworth, S.J. |
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Title |
Handling time and choice in pigeons |
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Journal Article |
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1985 |
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J Exp Anal Behav |
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44 |
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2 |
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139-155 |
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According to optimal foraging theory, animals should prefer food items with the highest ratios of energy intake to handling time. When single items have negligible handling times, one large item should be preferred to a collection of small ones of equivalent total weight. However, when pigeons were offered such a choice on equal concurrent variable-interval schedules in a shuttlebox, they preferred the side offering many small items per reinforcement to that offering one or a few relatively large items. This preference was still evident on concurrent fixed-cumulative-duration schedules in which choosing the alternative with longer handling time substantially lowered the rate of food intake. |
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0022-5002 |
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PMID:16812429 |
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refbase @ user @ |
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383 |
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Author |
Shettleworth, S.J. |
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Title |
Cognition, Evolution and Behaviour |
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1998 |
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Description
How do animals perceive the world, learn, remember, search for food or mates, and find their way around? Do any non-human animals count, imitate one another, use a language, or think as we do? What use is cognition in nature and how might it have evolved? Historically, research on such questions has been fragmented between psychology, where the emphasis has been on theoretical models and lab experiments, and biology, where studies focus on evolution and the adaptive use of perception, learning, and decision-making in the field.
Cognition, Evolution and the Study of Behavior integrates research from psychology, behavioral ecology, and ethology in a wide-ranging synthesis of theory and research about animal cognition in the broadest sense, from species-specific adaptations in fish to cognitive mapping in rats and honeybees to theories of mind for chimpanzees. As a major contribution to the emerging discipline of comparative cognition, the book is an invaluable resource for all students and researchers in psychology, zoology, behavioral neuroscience. It will also interest general readers curious about the details of how and why animals--including humans--process, retain, and use information as they do.
Reviews
“This book is a very comprehensive review of animal cognition. It differs from other texts on this topic in a number of ways, as outlined by Shettleworth in her preface and in the opening chapter. Essentially, Shettleworth wants to advocate an 'adaptationist or ecological approach to cognition'. In doing so, she brings together a wealth of data on animal cognition, studied from quite different theoretical viewpoints, such as cognitive ethology, animal learning theory, neuroscience, behavioural ecology and cognitive psychology. . . . Each chapter ends with a clear and useful summary, and helpful suggestions for further reading. The book's numerous illustrations, which are mostly tables or figures redrawn by Margaret Nelson, greatly add to its appeal. . . . [T]his is a marvellously rich, well-written and stimulating book. . . . I greatly enjoyed reading [and] recommend it highly to anyone interested in animal cognition, evolution and behaviour.”--Animal Behaviour
“Sara Shettleworth has probably written the most comprehensive study of the animal mind ever and therefore a fundamental textbook on 'comparative cognition'. She first gets consciousness out of the way: whether an animal is conscious or not is impossible to determine, since consciousness is a private, subjective phenomenon. We can study cognition, and certainly cognition lends credibility to the idea that at least some animals must be at least to some degree conscious, but experiments can only prove facts about cognition. She reviews the field of cognitive ethology from the beginning and then analyzes the main cognitive tasks from an information-processing perspective By the end of her review of cognitive faculties, it become apparent that, at least among vertebrates, there are no significant differences in learning, except for language. All vertebrates are capable of 'associative' learning What no other vertebrate seems to be capable of is 'syntax'.” -- Piero Scaruffi, Thymos.com |
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Oxford University Press |
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Oxford |
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9780195110487 |
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Equine Behaviour @ team @ |
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4712 |
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Author |
Shettleworth, S.J. |
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Title |
Animal cognition and animal behaviour |
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2001 |
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Animal Behaviour. |
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Anim. Behav. |
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61 |
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2 |
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277-286 |
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Cognitive processes such as perception, learning, memory and decision making play an important role in mate choice, foraging and many other behaviours. In this review, I summarize a few key ideas about animal cognition developed in a recent book (Shettleworth 1998, Cognition, Evolution and Behaviour) and briefly review some areas in which interdisciplinary research on animal cognition is currently proving especially productive. Cognition, broadly defined, includes all ways in which animals take in information through the senses, process, retain and decide to act on it. Studying animal cognition does not entail any particular position on whether or to what degree animals are conscious. Neither does it entail rejecting behaviourism in that one of the greatest challenges in studing animal cognition is to formulate clear behavioural criteria for inferring specific mental processes. Tests of whether or not apparently goal-directed behaviour is controlled by a representation of its goal, episodic-like memory in birds, and deceptive behaviour in monkeys provide examples. Functional modelling has been integrated with analyses of cognitive mechanisms in a number of areas, including studies of communication, models of how predator learning and attention affect the evolution of conspicuous and cryptic prey, tests of the relationship betweeen ecological demands on spatial cognition and brain evolution, and in research on social learning. Rather than a `new field' of cognitive ecology, such interdisciplinary research on animal cognition exemplifies a revival of interest in proximate mechanisms of behaviour. |
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refbase @ user @ |
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397 |
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Author |
Shettleworth, S.J. |
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Title |
Foraging, memory, and constraints on learning |
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Year |
1985 |
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Annals of the New York Academy of Sciences |
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Ann N Y Acad Sci |
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443 |
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216-226 |
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Keywords |
Animals; Animals, Wild; *Appetitive Behavior; *Avoidance Learning; Birds; *Conditioning, Classical; Discrimination Learning; Food Preferences; *Memory; *Mental Recall; Motivation; *Predatory Behavior; Rats; *Taste |
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0077-8923 |
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PMID:3860072 |
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refbase @ user @ |
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384 |
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Author |
Shettleworth, S.J. |
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Title |
The evolution of comparative cognition: is the snark still a Boojum? |
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2009 |
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Behav Processes |
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80 |
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Equine Behaviour @ team @ Shettleworth2009 |
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6231 |
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Author |
Gibson, B.M.; Shettleworth, S.J. |
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Title |
Place versus response learning revisited: tests of blocking on the radial maze |
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Journal Article |
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2005 |
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Behavioral neuroscience |
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Behav Neurosci |
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119 |
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2 |
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567-586 |
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Animals; *Association Learning; Male; *Maze Learning; Memory; Rats; Rats, Long-Evans; Reproducibility of Results |
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Neurobiological and behavioral research indicates that place learning and response learning occur simultaneously, in parallel. Such findings seem to conflict with theories of associative learning in which different cues compete for learning. The authors conducted place+response training on a radial maze and then tested place learning and response learning separately by reconfiguring the maze in various ways. Consistent with the effects of manipulating place and response systems in the brain (M. G. Packard & J. L. McGaugh, 1996), well-trained rats showed strong place learning and strong response learning. Three experiments using associative blocking paradigms indicated that prior response learning interferes with place learning. Blocking and related tests can be used to better understand how memory systems interact during learning. |
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Department of Psychology, University of New Hampshire, Durham, NH 03824-3567, USA. bgibson@cisunix.unh.edu |
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0735-7044 |
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PMID:15839803 |
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refbase @ user @ |
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362 |
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Hampton, R.R.; Shettleworth, S.J. |
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Title |
Hippocampus and memory in a food-storing and in a nonstoring bird species |
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Journal Article |
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1996 |
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Behavioral neuroscience |
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Behav Neurosci |
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110 |
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5 |
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946-964 |
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Animals; Appetitive Behavior/*physiology; Attention/physiology; Birds/*physiology; Brain Mapping; Feeding Behavior/*physiology; Mental Recall/*physiology; Organ Size/physiology; Orientation/*physiology; Retention (Psychology)/physiology; Species Specificity |
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Food-storing birds maintain in memory a large and constantly changing catalog of the locations of stored food. The hippocampus of food-storing black-capped chickadees (Parus atricapillus) is proportionally larger than that of nonstoring dark-eyed juncos (Junco hyemalis). Chickadees perform better than do juncos in an operant test of spatial non-matching-to-sample (SNMTS), and chickadees are more resistant to interference in this paradigm. Hippocampal lesions attenuate performance in SNMTS and increase interference. In tests of continuous spatial alternation (CSA), juncos perform better than chickadees. CSA performance also declines following hippocampal lesions. By itself, sensitivity of a given task to hippocampal damage does not predict the direction of memory differences between storing and nonstoring species. |
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Department of Psychology, University of Toronto, Ontario, Canada. robert@ln.nimh.nih.gov |
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0735-7044 |
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PMID:8918998 |
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refbase @ user @ |
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375 |
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Hampton, R.R.; Shettleworth, S.J. |
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Hippocampal lesions impair memory for location but not color in passerine birds |
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1996 |
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Behavioral neuroscience |
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Behav Neurosci |
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110 |
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4 |
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831-835 |
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Animals; Appetitive Behavior/physiology; Birds/*physiology; Brain Mapping; Color Perception/*physiology; Discrimination Learning/physiology; Hippocampus/*physiology; Long-Term Potentiation/physiology; Mental Recall/*physiology; Orientation/*physiology; Species Specificity |
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The effects of hippocampal complex lesions on memory for location and color were assessed in black-capped chickadees (Parus atricapillus) and dark-eyed juncos (Junco hyemalis) in operant tests of matching to sample. Before surgery, most birds were more accurate on tests of memory for location than on tests of memory for color. Damage to the hippocampal complex caused a decline in memory for location, whereas memory for color was not affected in the same birds. This dissociation indicates that the avian hippocampus plays an important role in spatial cognition and suggests that this brain structure may play no role in working memory generally. |
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Department of Psychology, University of Toronto, Ontario, Canada |
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0735-7044 |
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PMID:8864273 |
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refbase @ user @ |
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376 |
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Author |
Mrosovsky, N.; Shettleworth, S.J. |
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Further studies of the sea-finding mechanism in green turtle hatchlings |
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1974 |
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Behaviour |
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Behaviour |
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51 |
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3-4 |
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195-208 |
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Animals; *Animals, Newborn/physiology; Contact Lenses; Locomotion; *Orientation; Retina/physiology; *Turtles/physiology; Visual Fields; *Visual Perception; Water |
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0005-7959 |
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PMID:4447586 |
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refbase @ user @ |
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389 |
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Mrosovsky, N.; Shettleworth, S.J. |
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Wavelength preferences and brightness cues in the water finding behaviour of sea turtles |
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1968 |
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Behaviour |
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Behaviour |
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32 |
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4 |
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211-257 |
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Animals; *Behavior, Animal; *Color Perception; Cues; Light; *Turtles; Water |
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PMID:5717260 |
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391 |
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