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Aging Neurosci."],"abstract":"<jats:p>Parkinsonian tremor is one of the most common motor disorders in patients with Parkinson's disease (PD). Compared to oral medications and brain surgery, electrical stimulation approaches have emerged as effective and non-invasive methods for tremor reduction. The pathophysiology, detection and interventions of tremors have been introduced, however, a systematic review of peripherical electrical stimulation approaches, methodologies, experimental design and clinical outcomes for PD tremor suppression is still missing. Therefore, in this paper, we summarized recent studies on electrical stimulation for tremor suppression in PD patients and discussed stimulation protocols and effectiveness of different types of electrical stimulation approaches in detail. Twenty out of 528 papers published from 2010 to 2021 July were reviewed. The results show that electrical stimulation is an efficient intervention for tremor suppression. The methods fall into three main categories according to the mechanisms: namely functional electrical stimulation (FES), sensory electrical stimulation (SES) and transcutaneous electrical nerve stimulation (TENS). The outcomes of tremor suppression were varied due to various stimulation approaches, electrode locations and stimulation parameters. The FES method performed the best in tremor attenuation where the efficiency depends mainly by the control strategy and accuracy of tremor detection. However, the mechanism underlying tremor suppression with SES and TENS, is not well-known. Current electrical stimulation approaches may only work for a number of patients. The potential mechanism of tremor suppression still needs to be further explored.<\/jats:p>","DOI":"10.3389\/fnagi.2022.795454","type":"journal-article","created":{"date-parts":[[2022,2,7]],"date-time":"2022-02-07T06:01:05Z","timestamp":1644213665000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":24,"title":["Peripherical Electrical Stimulation for Parkinsonian Tremor: A Systematic Review"],"prefix":"10.3389","volume":"14","author":[{"given":"Lin","family":"Meng","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mengyue","family":"Jin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaodong","family":"Zhu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dong","family":"Ming","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2022,2,7]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","first-page":"1346","DOI":"10.1212\/WNL.43.7.1346","article-title":"The effect of mechanical damping loads on disabling action tremor","volume":"43","author":"Aisen","year":"1993","journal-title":"Neurology"},{"key":"B2","doi-asserted-by":"publisher","first-page":"36","DOI":"10.1186\/1743-0003-10-36","article-title":"A neuroprosthesis for tremor management through the control of muscle co-contraction","volume":"10","author":"Alvaro Gallego","year":"","journal-title":"J. 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