{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,23]],"date-time":"2026-08-23T15:03:17Z","timestamp":1787497397628,"version":"build-2736575974"},"reference-count":33,"publisher":"American Medical Association (AMA)","issue":"9","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JAMA Otolaryngol Head Neck Surg"],"published-print":{"date-parts":[[2023,9,1]]},"abstract":"Importance<\/jats:title>Unexplained chronic cough is common and has substantial negative quality-of-life implications, yet its causes are not well understood. A better understanding of how peripheral and central neural processes contribute to chronic cough is essential for treatment design.<\/jats:p><\/jats:sec>Objective<\/jats:title>To determine if people with chronic cough exhibit signs of abnormal neural processing over laryngeal sensorimotor cortex during voluntary laryngeal motor activity such as vocalization.<\/jats:p><\/jats:sec>Design, Setting, and Participants<\/jats:title>This was a cross-sectional study of a convenience sample of participants with chronic cough and healthy participants. Testing was performed in an acoustically and electromagnetically shielded chamber. In a single visit, electroencephalographic (EEG) signals were recorded from participants with chronic cough and healthy participants during voice production. The chronic cough group participants presented with unexplained cough of 8 weeks or longer duration with prior medical evaluation including negative results of chest imaging. None of the participants had a history of any neurologic disease known to impair vocalization or swallowing. Data collection for the healthy control group occurred from February 2 to June 28, 2018, and for the chronic cough group, from November 22, 2021, to June 21, 2022. Data analysis was performed from May 1 to October 30, 2022.<\/jats:p><\/jats:sec>Exposure<\/jats:title>Participants with or without chronic cough.<\/jats:p><\/jats:sec>Main Outcome Measures<\/jats:title>Event-related spectral perturbation over the laryngeal area of somatosensory-motor cortex from 0 to 30 Hz (ie, \u03b8, \u03b1, and \u03b2 bands) and event-related coherence as a measure of synchronous activity between somatosensory and motor cortical regions.<\/jats:p><\/jats:sec>Results<\/jats:title>The chronic cough group comprised 13 participants with chronic cough (mean [SD] age, 63.5 [7.8] years; 9 women and 4 men) and the control group, 10 healthy age-matched individuals (mean [SD] age, 60.3 [13.9] years; 6 women and 4 men). In the chronic cough group, the typical movement-related desynchronization over somatosensory-motor cortex during vocalization was significantly reduced across \u03b8, \u03b1, and \u03b2 frequency bands when compared with the control group.<\/jats:p><\/jats:sec>Conclusions and Relevance<\/jats:title>This cross-sectional study found that the typical movement-related suppression of brain oscillatory activity during vocalization is weak or absent in people with chronic cough. Thus, chronic cough affects sensorimotor cortical activity during the asymptomatic voluntary activation of laryngeal muscles.<\/jats:p><\/jats:sec>","DOI":"10.1001\/jamaoto.2023.1757","type":"journal-article","created":{"date-parts":[[2023,7,20]],"date-time":"2023-07-20T15:28:14Z","timestamp":1689866894000},"page":"820","source":"Crossref","is-referenced-by-count":5,"title":["Atypical Activation of Laryngeal Somatosensory-Motor Cortex During Vocalization in People With Unexplained Chronic Cough"],"prefix":"10.1001","volume":"149","author":[{"given":"Stephanie","family":"Misono","sequence":"first","affiliation":[{"name":"Department of Otolaryngology, Head and Neck Surgery, University of Minnesota, Minneapolis"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jiapeng","family":"Xu","sequence":"additional","affiliation":[{"name":"Human Sensorimotor Control Laboratory, School of Kinesiology, University of Minnesota, Minneapolis"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jinseok","family":"Oh","sequence":"additional","affiliation":[{"name":"Human Sensorimotor Control Laboratory, School of Kinesiology, University of Minnesota, Minneapolis"},{"name":"Center for Clinical Movement Science, University of Minnesota, Minneapolis"},{"name":"Department of Behavioral Pediatrics, Children\u2019s Hospital Los Angeles, Los Angeles, California"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anna","family":"Sombrio","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology, Head and Neck Surgery, University of Minnesota, Minneapolis"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ali","family":"Stockness","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology, Head and Neck Surgery, University of Minnesota, 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