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Williams, Douglas A.; Chubala, Chrissy M.; Mather, Amber A.; Johns, Kenneth W. – Learning and Motivation, 2009
Appetitive contextual excitation supported by intertrial unconditioned stimuli was more easily overcome by timed conditioned responding in rats using quiet (Experiment 1) rather than noisy (Experiment 2) food pellet deliveries. Head-entry responding in acquisition peaked above the contextual baseline when pellet delivery occurred 10, 30, 60, or 90…
Descriptors: Cues, Intervals, Reaction Time, Food
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Tomiczek, Caroline; Burke, Darren – Learning and Motivation, 2008
Considerable research has been devoted to investigating learning without awareness. Burke and Roodenrys [Burke, D., & Roodenrys, S. (2000). Implicit learning in a simple cued reaction-time task. "Learning and Motivation" 31, 364-380] developed a simple learning task in which a cue shape predicts the arrival of a target shape (to which subjects…
Descriptors: Stimuli, Models, Learning Processes, Reaction Time
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Reed, Phil; Antonova, Marina – Learning and Motivation, 2007
The experiment was carried out to determine whether exposure to an uncontrollable relationship between an action and its outcome during a non-aversive pretreatment phase would affect subsequent ratings of perceived control emitted by human participants. Its other aim was to investigate the effect of such pre-exposure on the attentional focus of…
Descriptors: Cues, Reaction Time, Attention, Feedback
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Klein, Emily D.; Gehrke, Brenda J.; Green, Thomas A.; Zentall, Thomas R.; Bardo, Michael T. – Learning and Motivation, 2007
The purpose of the present experiment was to determine whether repeated cocaine exposure differentially affects sucrose-reinforced operant responding in rats raised in an enriched condition (EC) or an isolated condition (IC). Specifically, the performance of EC and IC rats pressing a lever for sucrose under a high fixed-ratio schedule (FR 30)…
Descriptors: Cues, Cocaine, Reinforcement, Operant Conditioning