<div><br></div>Hello,<div><br></div><div>Has anyone out there analyzed data in EEGLAB with a simultaneous transcranial magnetic stimulation (TMS) and EEG paradigm? There are a number of methods out there that I've seen for removal of the artifact generated by TMS, but I'm curious if anyone has implemented them specifically in EEGLAB. I'm currently analyzing data from a study I conducted using TMS/EEG, but I've found EEGLAB to be less ideal for artifact removal than other software alternatives; however, I prefer to use EEGLAB for my analyses and so would like to get this to work. The reason for EEGLAB being less ideal is that running ICA doesn't sufficiently remove the artifact; the amplitude of the TMS artifact is generally so large that it is difficult to parse out TMS-induced artifacts from neural sources when looking at the ICA components. An alternative method that I've found is to conduct a temporally constrained ICA, wherein a subset of the continuous data is marked as artifact and another subset is marked as clean; ICA can then be conducted on both sets by maximizing components that are similar to the artifact-marked dataset and minimizing components similar to the clean-marked dataset, then applying a spatial filter to the continuous data. I've seen this technique written by Mark Pfleiger at Source Signal Imaging and have used it to remove the TMS artifact in EMSE, but I'm wondering if there is a way I can do this in EEGLAB, either with a plugin that conducts a similar method or some other way. Any help would be great, thanks!<br>
<br>-- <br>Martin Wiener, M.S.<br>Doctoral Candidate in Psychology<br>Department of Psychology<br>University of Pennsylvania<br>
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