P300 Event Related Potentials from Rat Brain to Cues for Reinforcement and Non-Reinforcement

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dc.contributor.author Bueltel, Carly
dc.contributor.author Woodland, Heidi
dc.contributor.author Swenson, Jill
dc.contributor.author Collins, Marissa
dc.contributor.author Flattery, Emily
dc.contributor.author Price, Heather
dc.contributor.author Patel, Ankit
dc.date.accessioned 2009-06-24T13:17:11Z
dc.date.available 2009-06-24T13:17:11Z
dc.date.issued 2009-06-24T13:17:11Z
dc.identifier.uri http://hdl.handle.net/2092/952
dc.description Advisor: W. D. Klipec en_US
dc.description.abstract The P300 Event Related Potential (ERP) is a time locked, averaged EEG to task relevant stimuli. Previous research in our laboratory has shown that the P300 ERP in rats is a correlate of the brains recognition of a conditioned reinforcer. More recently, we found that the P300 ERP to a tone that predicted reinforcement was indistinguishable from one that predicted non-reinforcement, linking the P300 ERP to the information in the cue even when the information was predicting the absence of a reinforcer. Here we compared the P300 ERP to the click of a food hopper under two conditions. In one condition (cued reinforcement) a tone signaled a click that was followed by food delivery. In the other condition, the absence of the tone signaled that the click would not be followed by food delivery (non-cued non reinforcement). We found that the P300 ERP to the non-cued non-reinforcement click rapidly disappeared suggesting that the absence of the tone was informative, predicting nonreinforcement and eliminating the response to the click. We are currently gathering data in a condition where the probability of food delivery following a click is 0.5, but there are no cues to provide information about the relevance of the click. Pending completion and analysis, these data will also be reported at DUCURS. en_US
dc.description.sponsorship Drake University, College of Arts and Sciences, Department of Psychology en_US
dc.language.iso en_US en_US
dc.relation.ispartofseries DUCURS 2009;14
dc.subject Reinforcement (Psychology) en_US
dc.subject Rats as laboratory animals en_US
dc.subject Conditional response en_US
dc.title P300 Event Related Potentials from Rat Brain to Cues for Reinforcement and Non-Reinforcement en_US
dc.type Presentation en_US

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  • DUCURS [196]
    Poster sessions and presentation from the Drake University Conference on Undergraduate Research in the Sciences held each April at Olmsted Center on the Drake campus.

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