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	Author	Sole, L.M.; Shettleworth, S.J.; Bennett, P.J.
	Title	Uncertainty in pigeons			Type	Journal Article
	Year	2003	Publication	Psychonomic bulletin & review	Abbreviated Journal	Psychon Bull Rev
	Volume	10	Issue	3	Pages	738-745
	Keywords	Animals; Behavior, Animal; Columbidae; *Decision Making; Reinforcement (Psychology); Reward; Transfer (Psychology); Visual Perception
	Abstract	Pigeons classified a display of illuminated pixels on a touchscreen as sparse or dense. Correct responses were reinforced with six food pellets; incorrect responses were unreinforced. On some trials an uncertain response option was available. Pecking it was always reinforced with an intermediate number of pellets. Like monkeys and people in related experiments, the birds chose the uncertain response most often when the stimulus presented was difficult to classify correctly, but in other respects their behavior was not functionally similar to human behavior based on conscious uncertainty or to the behavior of monkeys in comparable experiments. Our data were well described by a signal detection model that assumed that the birds were maximizing perceived reward in a consistent way across all the experimental conditions.
	Address	University of Toronto, 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	1069-9384	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:14620372			Approved	no
	Call Number	refbase @ user @			Serial	366
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