Park, S. Ha, J. Kim, L. 2024-01-19T13:32:39Z 2024-01-19T13:32:39Z 2022-01-10 2021-10-18 1664-042X https://pubs.kist.re.kr/handle/201004/116254 The aim of this study was to determine the effect of heartbeat-evoked potentials (HEPs) on the performance of an event-related potential (ERP)-based classification of mental workload (MWL). We produced low- and high-MWLs using a mental arithmetic task and measured the ERP response of 14 participants. ERP trials were divided into three conditions based on the effect of HEPs on ERPs: ERPHEP, containing the heartbeat in a period of 280？700ms in ERP epochs after the target; ERPA-HEP, not including the heartbeat within the same period; and ERPT, all trials including ERPA-HEP and ERPHEP. We then compared MWL classification performance using the amplitude and latency of the P600 ERP among the three conditions. The ERPA-HEP condition achieved an accuracy of 100% using a radial basis function-support vector machine (with 10-fold cross-validation), showing an increase of 14.3 and 28.6% in accuracy compared to ERPT (85.7%) and ERPHEP (71.4%), respectively. The results suggest that evoked potentials caused by heartbeat overlapped or interfered with the ERPs and weakened the ERP response to stimuli. This study reveals the effect of the evoked potentials induced by heartbeats on the performance of the MWL classification based on ERPs. ？ Copyright ？ 2021 Park, Ha and Kim. English Frontiers Media S.A. adult article clinical article controlled study cross validation electroencephalography event related potential evoked response female human human experiment male mental arithmetic questionnaire radial basis function support vector machine validation process workload Anti-Heartbeat-Evoked Potentials Performance in Event-Related Potentials-Based Mental Workload Assessment Article 10.3389/fphys.2021.744071 1 Frontiers in Physiology, v.12 Frontiers in Physiology 12 scie scopus 000715247200001 2-s2.0-85118347329 Physiology Physiology Article adult article clinical article controlled study cross validation electroencephalography event related potential evoked response female human human experiment male mental arithmetic questionnaire radial basis function support vector machine validation process workload electroencephalography event-related potentials heartbeat-evoked potentials mental workload subjective mental effort questionnaire