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Event-Related Potential Correlates of Acquisition and Retrieval of Verbal Associations in Schizophrenics and Controls

Event-Related Potential Correlates of Acquisition and Retrieval of Verbal Associations in Schizophrenics and Controls

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BAVING, Lioba, Brigitte ROCKSTROH, Patricia RÖSSNER, Rudolf COHEN, Thomas ELBERT, Walton T. ROTH, 2000. Event-Related Potential Correlates of Acquisition and Retrieval of Verbal Associations in Schizophrenics and Controls. In: Journal of Psychophysiology. 14(2), pp. 87-96

@article{Baving2000Event-11118, title={Event-Related Potential Correlates of Acquisition and Retrieval of Verbal Associations in Schizophrenics and Controls}, year={2000}, doi={10.1027//0269-8803.14.2.87}, number={2}, volume={14}, journal={Journal of Psychophysiology}, pages={87--96}, author={Baving, Lioba and Rockstroh, Brigitte and Rößner, Patricia and Cohen, Rudolf and Elbert, Thomas and Roth, Walton T.} }

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/11118"> <dc:creator>Rockstroh, Brigitte</dc:creator> <dc:contributor>Baving, Lioba</dc:contributor> <dc:rights>deposit-license</dc:rights> <dc:contributor>Roth, Walton T.</dc:contributor> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/11118"/> <dcterms:rights rdf:resource="https://creativecommons.org/licenses/by-nc-nd/2.0/legalcode"/> <dc:creator>Elbert, Thomas</dc:creator> <dcterms:abstract xml:lang="eng">Reduced amplitudes of event-related potentials (ERP) have often been reported for schizophrenic patients. Positive ERPs were examined in 16 schizophrenic patients and 16 controls in a visual paired-associate learning task, in which successful learning of word pairs was evidenced by recognition of old versus new word pairs. Patients performed significantly poorer than controls. During acquisition the to-be-associated word pairs evoked a P2 and positive Slow Wave (SW) of similar amplitude in both groups. Although the recognition of items as old induced larger positive ERPs in controls, ERPs did not vary with recognition in patients. The presentation of the word pairs (50% old, 50% new combinations) evoked a pronounced posterior positive SW in patients but an anterior negative SW in controls. This pattern is identical to the one obtained from a previous paired-associate learning task with cue-recall and suggests that schizophrenic patients are capable of producing large amplitude positive waves under conditions different from those typical for P300 evocation in normals. The larger positive SW may indicate increased effort to compensate for deficient acquisition or association formation.</dcterms:abstract> <dcterms:title>Event-Related Potential Correlates of Acquisition and Retrieval of Verbal Associations in Schizophrenics and Controls</dcterms:title> <dc:creator>Baving, Lioba</dc:creator> <dc:contributor>Elbert, Thomas</dc:contributor> <dc:language>eng</dc:language> <dc:creator>Roth, Walton T.</dc:creator> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-25T09:25:41Z</dc:date> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-25T09:25:41Z</dcterms:available> <dc:creator>Cohen, Rudolf</dc:creator> <dc:contributor>Rockstroh, Brigitte</dc:contributor> <dc:format>application/pdf</dc:format> <dcterms:issued>2000</dcterms:issued> <dc:contributor>Rößner, Patricia</dc:contributor> <dc:contributor>Cohen, Rudolf</dc:contributor> <dcterms:bibliographicCitation>First publ. in: Journal of Psychophysiology 14 (2000), 2, pp. 87 96</dcterms:bibliographicCitation> <dc:creator>Rößner, Patricia</dc:creator> </rdf:Description> </rdf:RDF>

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