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This study investigates the signal quality of the Stentrode device, a leading vECoG platform, by contrasting artifact persistence with the preservation of low frequency motor cortical activity. Typical (re\u2010)referencing schemes, including a monopolar stent\u2010mounted reference, a common average reference, and a Laplacian reference, are shown to significantly reduce the presence of electrocardiogram (ECG) artifacts compared to a distal monopolar reference. However, resting state beta activity is also significantly diminished when employing these techniques. By using Band\u2010Limited Independent Component Analysis (BL\u2010ICA), a type of spatial filter that allows weighting of the noise on each electrode differently, ECG artifacts are easily separated from vECoG recordings. With this cleaning methodology, signals are reconstructed without the ECG component and the reduction in cross\u2010channel correlation is evaluated, as well as the increase in relative entropy between rest and go distributions. To ensure that low\u2010frequency motor features are preserved, beta bursts features are evaluated in both the source space and reconstructed signal space. BL\u2010ICA is an effective technique to remove widespread ECG artifacts while maintaining typical motor\u2010related features in beta band activity.<\/jats:p>","DOI":"10.1002\/advs.76647","type":"journal-article","created":{"date-parts":[[2026,9,4]],"date-time":"2026-09-04T15:04:43Z","timestamp":1788534283000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Preserving Motor Features by Alternative Re\u2010Referencing to Remove Heart Artifact on the Stentrode"],"prefix":"10.1002","volume":"13","author":[{"given":"Ariel K.","family":"Feldman","sequence":"first","affiliation":[{"name":"Neuroscience Institute Carnegie Mellon University  Pittsburgh Pennsylvania USA"},{"name":"Center for the Neural Basis of Cognition  Pittsburgh Pennsylvania USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kriti","family":"Kacker","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering Carnegie Mellon University  Pittsburgh Pennsylvania USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rahyun","family":"Yun","sequence":"additional","affiliation":[{"name":"Department of Electrical &amp; Computer Engineering Carnegie Mellon University  Pittsburgh Pennsylvania USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nikole","family":"Chetty","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering Carnegie Mellon University  Pittsburgh Pennsylvania USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"James","family":"Bennett","sequence":"additional","affiliation":[{"name":"Vascular Bionics Laboratory, Department of Medicine, Royal Melbourne Hospital University of Melbourne  Parkville Victoria Australia"},{"name":"Synchron, Inc.  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