Publikation: Event-related potential correlates of proactive interference in schizophrenic patients and controls
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Performance and event-related potentials (ERPs) were examined in a proactive interference (PI) task with 15 male schizophrenic patients and 15 matched healthy controls. Within a paired-associate task, 30 pairs of semantically unrelated words (A-B) were presented twice, followed by cued recall, in which the paired-associate B had to be named upon cue A. Subsequently, 50% of the A-words were paired with new words (A-C) and presented in random order together with 15 novel pairings (D-E). Slower responses and poorer recall of C- than of E-words in the final recall indicated PI in both groups. During acquisition, the paired-associates (C/E) evoked larger P3 and positive slow wave in controls than in patients. During recall, cues (A/D) evoked a slow wave with predominating anterior negativity in controls and posterior positivity in patients. The group-specific ERP pattern suggests deviant encoding and retrieval processes in schizophrenic individuals.
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RÖSSNER, Patricia, Brigitte ROCKSTROH, Rudolf COHEN, Michael WAGNER, Thomas ELBERT, 1999. Event-related potential correlates of proactive interference in schizophrenic patients and controls. In: Psychophysiology. 1999, 36, pp. 199-208. Available under: doi: 10.1111/1469-8986.3620199BibTex
@article{Roner1999Event-10266, year={1999}, doi={10.1111/1469-8986.3620199}, title={Event-related potential correlates of proactive interference in schizophrenic patients and controls}, volume={36}, journal={Psychophysiology}, pages={199--208}, author={Rößner, Patricia and Rockstroh, Brigitte and Cohen, Rudolf and Wagner, Michael and Elbert, Thomas} }
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