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Source density analysis of scalp potentials during evaluated action II. Lateral distributions

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Summary

An economical method of computing the source densities underlying human scalp-recorded event-related potentials (ERPs) is used to investigate the topography of “evaluation potentials” elicited when a subject assesses the outcome of a goal-directed activity. No sign of a generative focus was observed in frontal locations; but lateral placements over temporal and parietal lobes revealed an inversion of polarity of the evaluation potential suggesting the involvement of those regions in its computation. Experiments using auditory feedback of outcome, instead of or together with visual, showed no qualitative dependence of the main phenomena on the modality of feedback.

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Authors and Affiliations

  1. Dept. of Communication and Neuroscience, University of Keele, ST5 5BG, Keele, Staffordshire, England

    D. M. MacKay

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  1. D. M. MacKay
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MacKay, D.M. Source density analysis of scalp potentials during evaluated action II. Lateral distributions. Exp Brain Res 54, 86–94 (1984). https://doi.org/10.1007/BF00235821

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  • DOI: https://doi.org/10.1007/BF00235821

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