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基于事件相关电位的心理负荷评估中抗心跳诱发电位的表现。

Anti-Heartbeat-Evoked Potentials Performance in Event-Related Potentials-Based Mental Workload Assessment.

作者信息

Park Sangin, Ha Jihyeon, Kim Laehyun

机构信息

Center for Bionics, Korea Institute of Science and Technology, Seoul, South Korea.

Department of Biomedical Engineering, Hanyang University, Seoul, South Korea.

出版信息

Front Physiol. 2021 Oct 18;12:744071. doi: 10.3389/fphys.2021.744071. eCollection 2021.

DOI:10.3389/fphys.2021.744071
PMID:34733176
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8558224/
Abstract

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: ERP, containing the heartbeat in a period of 280-700ms in ERP epochs after the target; ERP, not including the heartbeat within the same period; and ERP, all trials including ERP and ERP. We then compared MWL classification performance using the amplitude and latency of the P600 ERP among the three conditions. The ERP 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 ERP (85.7%) and ERP (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.

摘要

本研究的目的是确定心跳诱发电位（HEPs）对基于事件相关电位（ERP）的心理负荷（MWL）分类性能的影响。我们使用心算任务产生低和高心理负荷，并测量了14名参与者的ERP反应。ERP试验根据HEPs对ERPs的影响分为三种条件：ERP，在目标后ERP时段的280 - 700ms内包含心跳；ERP，在同一时段内不包括心跳；以及ERP，所有试验包括ERP和ERP。然后，我们使用三种条件下P600 ERP的幅度和潜伏期比较了MWL分类性能。ERP条件使用径向基函数支持向量机（进行10折交叉验证）达到了100%的准确率，与ERP（85.7%）和ERP（71.4%）相比，准确率分别提高了14.3%和28.6%。结果表明，心跳诱发的诱发电位与ERPs重叠或干扰，并削弱了ERP对刺激的反应。本研究揭示了心跳诱发的诱发电位对基于ERPs的MWL分类性能的影响。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0f6a/8558224/541cacd01fe9/fphys-12-744071-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0f6a/8558224/0aedd736970c/fphys-12-744071-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0f6a/8558224/ca7532b2e8fd/fphys-12-744071-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0f6a/8558224/1740d6cce906/fphys-12-744071-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0f6a/8558224/ee43a0cc8da2/fphys-12-744071-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0f6a/8558224/a9be1ef17082/fphys-12-744071-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0f6a/8558224/32b3978c63f8/fphys-12-744071-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0f6a/8558224/ea478ca08fa9/fphys-12-744071-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0f6a/8558224/75f4147488ad/fphys-12-744071-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0f6a/8558224/541cacd01fe9/fphys-12-744071-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0f6a/8558224/0aedd736970c/fphys-12-744071-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0f6a/8558224/ca7532b2e8fd/fphys-12-744071-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0f6a/8558224/1740d6cce906/fphys-12-744071-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0f6a/8558224/ee43a0cc8da2/fphys-12-744071-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0f6a/8558224/a9be1ef17082/fphys-12-744071-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0f6a/8558224/32b3978c63f8/fphys-12-744071-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0f6a/8558224/ea478ca08fa9/fphys-12-744071-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0f6a/8558224/75f4147488ad/fphys-12-744071-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0f6a/8558224/541cacd01fe9/fphys-12-744071-g009.jpg

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