ArticleFrontiers in human neuroscience2026
Feedback-driven event-related potentials in conditional discrimination: insights from a matching-to-sample study.
Article in Frontiers in human neuroscience, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
This study examined differences in event-related potentials (ERP) associated with the presentation of programmed consequences during conditional discrimination training in a matching-to-sample (MTS) paradigm. Electroencephalography (EEG) data were continuously recorded from n = 11 participants using a 64-channel wet-electrode system at a sampling frequency of 1,024 Hz. Three-phase MTS training and testing were customized using PsychoPy and featured 12 arbitrarily related abstract stimuli explicitly designed for this study. EEG data processing and averaging were performed using ASA-Pro v. 4.10 using 0.5-40 Hz band-pass filtration and automatic artifact detection. Time-locked epochs for ERP analyses utilized a 1,000-ms window with a 200-ms pre-stimulus baseline; epochs were synchronized with electronic trigger codes associated with incorrect or correct programmed consequences following comparison stimulus selection. The difference between incorrect and correct feedback on mean ERP amplitude was significant,
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