[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100653044":3},{"organization":4,"outcomesModule":7,"designInfo":22,"detailedDescription":21,"studyPopulation":21,"armGroups":29,"interventions":37,"overallOfficials":21,"centralContacts":47,"locations":21,"responsibleParty":57,"collaborators":61,"id":65,"slug":66,"hasResults":67,"nctId":68,"briefTitle":69,"officialTitle":69,"acronym":21,"eligibilityCriteria":70,"healthyVolunteers":67,"sex":71,"minAge":72,"maxAge":73,"enrollmentInfo":74,"targetDuration":21,"studyType":77,"phases":78,"briefSummary":79,"conditions":80,"keywords":82,"overallStatus":93,"whyStopped":21,"lastUpdateSubmitDate":94,"lastUpdatePostDateStruct":95,"startDateStruct":98,"completionDateStruct":100,"leadSponsor":102,"locationsCount":21},{"fullName":5,"class":6},"University of Illinois at Chicago","OTHER",{"primaryOutcomes":8,"secondaryOutcomes":13,"otherOutcomes":21},[9],{"measure":10,"description":11,"timeFrame":12},"Accuracy on third grammaticality judgment test","Participants will be presented with novel, grammar-like auditory stimuli. They will decide whether each stimulus matches or does not match the artificial language that they were previously presented with.","End of day 2 of the artificial grammar learning task",[14,17],{"measure":15,"description":11,"timeFrame":16},"Accuracy on first grammaticality judgment test","Middle of day 1 of the artificial grammar learning task",{"measure":18,"description":19,"timeFrame":20},"Accuracy on the second grammaticality judgment task","Participants will be presented with novel, grammar-like auditory stimuli. They will decide whether each stimulus matches or does not match the artificial language they were presented with previously.","Start of day 2 of the artificial grammar learning task",null,{"allocation":23,"interventionModel":24,"interventionModelDescription":25,"primaryPurpose":26,"observationalModel":21,"timePerspective":21,"maskingInfo":27},"NA","SINGLE_GROUP","The study uses a within-subjects design to compare conditions.","BASIC_SCIENCE",{"masking":28,"maskingDescription":21,"whoMasked":21},"NONE",[30],{"label":31,"type":32,"description":33,"interventionNames":34},"Stimulus Length","EXPERIMENTAL","Children will complete an artificial grammar learning task. They will passively listen to two grammar-like auditory sequences in one of two experimental conditions that differ in syllable length. In the short condition, the sequences will contain 1-syllable stimuli. In the long condition, the sequences will contain 4-syllable stimuli.",[35,36],"Behavioral: Short linguistic content","Behavioral: Long linguistic content",[38,43],{"type":39,"name":40,"description":41,"armGroupLabels":42,"otherNames":21},"BEHAVIORAL","Short linguistic content","Grammar-like auditory stimuli will comprise short linguistic content.",[31],{"type":39,"name":44,"description":45,"armGroupLabels":46,"otherNames":21},"Long linguistic content","Grammar-like auditory stimuli will comprise long linguistic content.",[31],[48,53],{"name":49,"role":50,"phone":51,"phoneExt":21,"email":52},"Heidi M Mettler, PhD","CONTACT","312-996-8481","mettler@uic.edu",{"name":54,"role":50,"phone":55,"phoneExt":21,"email":56},"Tina M Grieco-Calub, PhD","312-996-0123","tgcalub@uic.edu",{"type":58,"investigatorFullName":59,"investigatorTitle":60,"investigatorAffiliation":5,"oldNameTitle":21,"oldOrganization":21},"PRINCIPAL_INVESTIGATOR","Heidi Mettler","Postdoctoral Research Associate",[62],{"name":63,"class":64},"National Institute on Deafness and Other Communication Disorders (NIDCD)","NIH","100653044","artificial-grammar-learning-in-children-who-are-deaf-or-hard-of-hearing-100653044",false,"NCT07782567","Artificial Grammar Learning in Children Who Are Deaf or Hard-of-Hearing: Stimulus Length Effect","Inclusion Criteria:\n\n* Aged 5- to 7-years-old\n* Diagnosed with bilateral hearing loss\n* Uses bilateral hearing devices (cochlear implants, bilateral hearing aids, or a cochlear implant and a hearing aid)\n* Has used first hearing device for at least one year\n* No history of developmental delay that is unrelated to hearing loss\n* Normal non-verbal IQ\n* Normal or corrected-to-normal vision\n* Normal color vision\n* Primarily spoken English user\n* Access to remote video call technology\n\nExclusion Criteria:\n\n* Younger than 5 years old\n* 8 years, 0 months or older\n* Normal hearing in one or both ears\n* Uses one or no hearing device (e.g., cochlear implant, hearing aid)\n* Has not used at least one hearing device for one year\n* History of developmental delay that is unrelated to hearing loss\n* Nonverbal IQ below normal limits\n* Visual impairment not corrected by glasses or contacts\n* Color vision impairment\n* Primarily uses a signed language or non-English language to communicate\n* Does not have access to remote video call technology","ALL","5 Years","7 Years",{"count":75,"type":76},30,"ESTIMATED","INTERVENTIONAL",[23],"The goal of this basic experimental study involving humans (BESH) clinical trial is to examine how stimulus length affects grammar learning in children who are deaf or hard-of-hearing and who primarily use spoken language. The main question it aims to answer is: do short or long stimuli better support grammar learning in this population? Participants will complete an artificial grammar learning task to see which condition (short vs. long stimuli) results in better grammar learning.",[81],"Hearing Impaired Children",[83,84,85,86,87,88,89,90,91,92],"child","deaf","hard-of-hearing","hearing loss","hearing impairment","spoken language users","grammar","language development","language acquisition","morphology","NOT_YET_RECRUITING","2026-08-28",{"date":96,"type":97},"2026-09-01","ACTUAL",{"date":99,"type":76},"2026-09",{"date":101,"type":76},"2027-08",{"name":5,"class":6}]