[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100652891":3},{"organization":4,"armGroups":7,"interventions":20,"overallOfficials":29,"centralContacts":25,"locations":33,"responsibleParty":53,"collaborators":56,"id":60,"slug":61,"hasResults":62,"nctId":63,"briefTitle":64,"officialTitle":65,"acronym":25,"eligibilityCriteria":66,"healthyVolunteers":67,"sex":68,"minAge":69,"maxAge":70,"enrollmentInfo":71,"targetDuration":25,"studyType":74,"phases":75,"briefSummary":77,"conditions":78,"keywords":84,"overallStatus":89,"whyStopped":25,"lastUpdateSubmitDate":90,"lastUpdatePostDateStruct":91,"startDateStruct":94,"completionDateStruct":96,"leadSponsor":98,"locationsCount":99},{"fullName":5,"class":6},"Stanford University","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Arithmetic strategy training","EXPERIMENTAL","Participants complete 6 weeks of activities, 1-hour hybrid sessions daily for 3 days per week (in total 18 sessions), that progressively develop the efficient use of arithmetic problem-solving strategies. Before and after training, participants complete arithmetic problem-solving tasks during neuroimaging sessions.",[13],"Behavioral: Arithmetic strategy training",{"label":15,"type":16,"description":17,"interventionNames":18},"Speeded practice training","ACTIVE_COMPARATOR","Participants complete 6 weeks of activities, 1-hour hybrid sessions daily for 3 days per week (in total 18 sessions), that focus solely on enhancing arithmetic fluency. Before and after training, participants complete arithmetic problem-solving tasks during neuroimaging sessions.",[19],"Behavioral: Speeded practice training",[21,26],{"type":22,"name":15,"description":23,"armGroupLabels":24,"otherNames":25},"BEHAVIORAL","Speeded practice training includes activities that focus solely on enhancing arithmetic fluency.",[15],null,{"type":22,"name":9,"description":27,"armGroupLabels":28,"otherNames":25},"Arithmetic strategy training includes activities that progressively develop the efficient use of arithmetic problem-solving strategies.",[9],[30],{"name":31,"affiliation":5,"role":32},"Vinod Menon, Ph.D.","PRINCIPAL_INVESTIGATOR",[34],{"facility":5,"status":25,"city":35,"state":36,"zip":37,"country":38,"countryCode":39,"cosmosGeoPoint":40,"geoPoint":45,"contacts":46},"Palo Alto","California","94304","United States","US",{"type":41,"coordinates":42},"Point",[43,44],-122.14302,37.44188,{"lat":44,"lon":43},[47,52],{"name":48,"role":49,"phone":50,"phoneExt":25,"email":51},"Zehra E Unal, Ph.D.","CONTACT","7376150834","zehraeu@stanford.edu",{"name":31,"role":32,"phone":25,"phoneExt":25,"email":25},{"type":32,"investigatorFullName":54,"investigatorTitle":55,"investigatorAffiliation":5,"oldNameTitle":25,"oldOrganization":25},"Vinod Menon","Professor in Psychiatry and Behavioral Sciences",[57],{"name":58,"class":59},"Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)","NIH","100652891","intervention-on-mathematical-problem-solving-skills-100652891",false,"NCT07778706","Intervention on Mathematical Problem-Solving Skills","Interventions in Math Learning Disabilities: Cognitive and Neural Correlates","Inclusion Criteria:\n\n1. Elementary school-aged children starting from first grade (6-12 years old)\n2. IQ: Participants with a Full Scale IQ \\> 70 on the Wechsler Abbreviated Scale of Intelligence (WASI-II)\n3. Identification of Mathematical Learning Disabilities: Scores below the 20th percentile on two or more Wechsler Individual Achievement Test (WIAT-IV) math subtests\n4. Identification of typically developing children: Scores at or above the 50th percentile on two or more WIAT-IV math subtests\n5. Normal or corrected-to-normal vision and no hearing impairments\n6. Inclusion in MRI scan session: Right-handed\n\nExclusion Criteria:\n\n1. History of neurological or psychiatric disorder (i.e., schizophrenia, psychosis, depression, or attention deficit hyperactivity disorder)\n2. History of trauma involving head injury\n3. Consistent psychiatric medications\n4. Exclusion from MRI scan session: No major contraindication for magnetic resonance imaging (MRI) - braces, metal implants, pacemakers, vascular stents, metallic ear tubes, consistent exposure to metal, or claustrophobia)",true,"ALL","6 Years","12 Years",{"count":72,"type":73},160,"ESTIMATED","INTERVENTIONAL",[76],"NA","The purpose of this study is to investigate neurocognitive mechanisms underlying response to intervention aimed at enhancing and remediating weaknesses in arithmetic skills in children, including those with mathematical learning disabilities (MLD).",[79,80,81,82,83],"Math Learning Disability","Learning Disabilities","Learning Disabilities, Child","Dyscalculia","Child Development",[85,86,87,88],"Mathematical Learning Disabilities","Numerical skills in children","Low math abilities","Early Intervention, Educational","NOT_YET_RECRUITING","2026-08-18",{"date":92,"type":93},"2026-08-21","ACTUAL",{"date":95,"type":73},"2026-09",{"date":97,"type":73},"2031-09",{"name":5,"class":6},1]