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The impact of downsampling on data quality, univariate measurement and multivariate pattern analysis in event-related potential research
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DOI：10.1016/j.neuroimage.2026.121981.png)
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Abstract
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• Systematically evaluated the impact of downsampling on ERP analyses across seven common components (P3, N400, N170, N2pc, MMN, ERN, LRP). • The influence of univariate ERP measures depends on the measured ERP component and scoring methods • Multivariate decoding (MVPA) is robust to downsampling, maintaining high accuracy even at 64 Hz
Keywords:
ERP
downsampling
scoring metric
data quality
MVPA
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