[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100384485":3},{"organization":4,"armGroups":7,"interventions":14,"overallOfficials":19,"centralContacts":20,"locations":29,"responsibleParty":47,"collaborators":19,"id":51,"slug":52,"hasResults":53,"nctId":54,"briefTitle":55,"officialTitle":55,"acronym":19,"eligibilityCriteria":56,"healthyVolunteers":53,"sex":57,"minAge":58,"maxAge":59,"enrollmentInfo":60,"targetDuration":19,"studyType":63,"phases":64,"briefSummary":66,"conditions":67,"keywords":19,"overallStatus":31,"whyStopped":19,"lastUpdateSubmitDate":71,"lastUpdatePostDateStruct":72,"startDateStruct":75,"completionDateStruct":77,"leadSponsor":79,"locationsCount":80},{"fullName":5,"class":6},"Massachusetts General Hospital","OTHER",[8],{"label":9,"type":10,"description":11,"interventionNames":12},"Brain signal data collection","EXPERIMENTAL","Brain signal data collection at the time of deep brain stimulation (DBS) surgery.",[13],"Other: electrophysiological data collection",[15],{"type":6,"name":16,"description":17,"armGroupLabels":18,"otherNames":19},"electrophysiological data collection","Electrophysiological data collection at the time of DBS surgery.",[9],null,[21,26],{"name":22,"role":23,"phone":24,"phoneExt":19,"email":25},"Mark Richardson, MD, PhD","CONTACT","617-726-8849","mark.richardson@mgh.harvard.edu",{"name":27,"role":23,"phone":19,"phoneExt":19,"email":28},"Erin Donahue, PhD","ekdonahue@mgh.harvard.edu",[30],{"facility":5,"status":31,"city":32,"state":33,"zip":34,"country":35,"countryCode":36,"cosmosGeoPoint":37,"geoPoint":42,"contacts":43},"RECRUITING","Boston","Massachusetts","02114","United States","US",{"type":38,"coordinates":39},"Point",[40,41],-71.05977,42.35843,{"lat":41,"lon":40},[44,46],{"name":45,"role":23,"phone":24,"phoneExt":19,"email":25},"Robert M Richardson, MD PhD",{"name":27,"role":23,"phone":19,"phoneExt":19,"email":28},{"type":48,"investigatorFullName":49,"investigatorTitle":50,"investigatorAffiliation":5,"oldNameTitle":19,"oldOrganization":19},"PRINCIPAL_INVESTIGATOR","Robert Mark Richardson","Director of Functional Neurosurgery","100384485","cortical-basal-ganglia-speech-networks-100384485",false,"NCT04286308","Cortical-Basal Ganglia Speech Networks","Inclusion Criteria:\n\n1. Subjects scheduled for DBS implantation, as determined by the clinical multidisciplinary movement disorders board with definitive diagnosis of Parkinson's disease, essential tremor or dystonia.\n2. Subjects able to provide informed consent and comply with task instructions.\n3. Subjects 18-85 years old\n\nExclusion Criteria:\n\n1. Subjects with reported hearing loss.\n2. Non-English-speaking subjects","ALL","18 Years","85 Years",{"count":61,"type":62},80,"ESTIMATED","INTERVENTIONAL",[65],"NA","In this research study the researchers want to learn more about brain activity related to speech perception and production.",[68,69,70],"Parkinson Disease","Essential Tremor","Dystonia","2026-03-23",{"date":73,"type":74},"2026-03-25","ACTUAL",{"date":76,"type":74},"2020-10-01",{"date":78,"type":62},"2027-02",{"name":5,"class":6},1]