[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100459260":3},{"organization":4,"armGroups":7,"interventions":13,"overallOfficials":19,"centralContacts":24,"locations":32,"responsibleParty":51,"collaborators":53,"id":57,"slug":58,"hasResults":59,"nctId":60,"briefTitle":61,"officialTitle":61,"acronym":18,"eligibilityCriteria":62,"healthyVolunteers":63,"sex":64,"minAge":65,"maxAge":66,"enrollmentInfo":67,"targetDuration":18,"studyType":70,"phases":71,"briefSummary":73,"conditions":74,"keywords":76,"overallStatus":34,"whyStopped":18,"lastUpdateSubmitDate":84,"lastUpdatePostDateStruct":85,"startDateStruct":88,"completionDateStruct":90,"leadSponsor":92,"locationsCount":93},{"fullName":5,"class":6},"Boston University Charles River Campus","OTHER",[8],{"label":9,"type":6,"description":10,"interventionNames":11},"Experimental condition","Participants will be presented with sound stimuli under a number of experimental conditions that simulate different hearing-aid conditions.",[12],"Other: hearing aid condition",[14],{"type":6,"name":15,"description":16,"armGroupLabels":17,"otherNames":18},"hearing aid condition","The intervention will be a hearing aid or a modification to the sound stimulus that simulates a hearing aid configuration, style, or processing strategy.",[9],null,[20],{"name":21,"affiliation":22,"role":23},"Virginia A Best, PhD","Boston University","PRINCIPAL_INVESTIGATOR",[25,29],{"name":21,"role":26,"phone":27,"phoneExt":18,"email":28},"CONTACT","(617) 353-2622","ginbest@bu.edu",{"name":30,"role":26,"phone":31,"phoneExt":18,"email":31},"Christine Mason","cmason@bu.edu",[33],{"facility":22,"status":34,"city":35,"state":36,"zip":37,"country":38,"countryCode":39,"cosmosGeoPoint":40,"geoPoint":45,"contacts":46},"RECRUITING","Boston","Massachusetts","02215","United States","US",{"type":41,"coordinates":42},"Point",[43,44],-71.05977,42.35843,{"lat":44,"lon":43},[47,50],{"name":48,"role":26,"phone":49,"phoneExt":18,"email":28},"Virginia Best","617-353-2622",{"name":21,"role":23,"phone":18,"phoneExt":18,"email":18},{"type":52,"investigatorFullName":18,"investigatorTitle":18,"investigatorAffiliation":18,"oldNameTitle":18,"oldOrganization":18},"SPONSOR",[54],{"name":55,"class":56},"National Institute on Deafness and Other Communication Disorders (NIDCD)","NIH","100459260","improving-spatial-perception-and-speech-understanding-in-multitalker-mixtures-100459260",false,"NCT05260307","Improving Spatial Perception and Speech Understanding in Multitalker Mixtures","Inclusion Criteria: Normal-Hearing Subjects\n\n* 18 to 35 years of age\n* Audiometric thresholds that do not exceed 20 dB HL at any frequency from 250 to 8000 Hz\n* Able to provide informed consent and understand experimental instructions\n* Normal or corrected-to-normal vision\n\nInclusion Criteria: Hearing-Impaired Subjects\n\n* 18 to 80 years of age\n* Documented sensorineural hearing loss\n* Able to provide informed consent and understand experimental instructions\n* Normal or corrected-to-normal vision\n\nExclusion Criteria (some experiments)\n\n* Non-native speakers of English",true,"ALL","18 Years","80 Years",{"count":68,"type":69},220,"ESTIMATED","INTERVENTIONAL",[72],"NA","The purpose of this study is to investigate several approaches for improving spatial perception and speech intelligibility in multitalker listening situations for hearing-aid users. The hypotheses are that spatial perception and speech intelligibility will be improved by (1) increased high-frequency audibility, (2) speech envelope enhancement, and\u002For (3) appropriate sound image externalization.",[75],"Hearing Loss",[77,78,79,80,81,82,83],"Hearing Aids","Speech Intelligibility","Spatial Hearing","Cocktail Party","Audibility","Sound Image Externalization","Speech Envelope","2025-09-19",{"date":86,"type":87},"2025-09-24","ACTUAL",{"date":89,"type":87},"2022-03-09",{"date":91,"type":69},"2026-11-30",{"name":5,"class":6},1]