[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"visual-perception\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:visual-perception":26},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,4,0,[8,48,82,106],{"id":9,"slug":10,"hasResults":11,"nctId":12,"briefTitle":13,"officialTitle":13,"acronym":4,"eligibilityCriteria":14,"healthyVolunteers":11,"sex":15,"minAge":16,"maxAge":17,"enrollmentInfo":18,"targetDuration":4,"studyType":21,"phases":22,"briefSummary":24,"conditions":25,"keywords":29,"overallStatus":35,"whyStopped":4,"lastUpdateSubmitDate":36,"lastUpdatePostDateStruct":37,"startDateStruct":40,"completionDateStruct":42,"leadSponsor":44,"locationsCount":47},"100648575","structured-task-focused-occupational-therapy-in-the-school-environment-to-support-academic-performance-fine-motor-and-visual-motor-skills-100648575",false,"NCT07723092","Structured Task-Focused Occupational Therapy in the School Environment to Support Academic Performance: Fine Motor and Visual-Motor Skills","Inclusion Criteria:\n\n* Being between 7 and 9 years of age\n* Being enrolled in the second or third grade\n* Demonstrating basic literacy skills\n* Being identified as high risk for handwriting and\u002For manual dexterity difficulties based on standardized assessments and teacher observations\n* Being expected to maintain regular school attendance throughout the study period\n* Written informed consent provided by a parent or legal guardian\n\nExclusion Criteria:\n\n* A diagnosed neurodevelopmental disorder, including autism spectrum disorder or attention-deficit\u002Fhyperactivity disorder\n* Significant visual or hearing impairment\n* An orthopedic or neurological condition affecting the upper extremity\n* Current receipt of occupational therapy or special education services","ALL","7 Years","9 Years",{"count":19,"type":20},24,"ESTIMATED","INTERVENTIONAL",[23],"NA","This randomized controlled trial will evaluate the effects of a structured, task-focused occupational therapy program delivered in the school environment on handwriting performance, fine motor skills, visual-motor integration, and academic performance in primary school children. Second- and third-grade students identified as being at risk for handwriting and manual dexterity difficulties will be randomly assigned to an intervention group or a control group. The intervention group will receive a 10-week school-based occupational therapy program consisting of two 30-minute sessions per week, for a total of 20 sessions. The control group will continue routine classroom activities without therapist-led occupational therapy. Handwriting, manual dexterity, visual-motor integration, visual perception, and motor coordination will be assessed at baseline and after the intervention. Academic grades will also be recorded, and individualized goal attainment will be evaluated in the intervention group.",[26,27,28],"Visual Perception","Visual-Motor Integration","Handwriting",[30,31,28,32,27,33,34],"School-Based Occupational Therapy","Task-Focused Occupational Therapy","Fine Motor Skills","Academic Performance","Primary School Children","NOT_YET_RECRUITING","2026-07-23",{"date":38,"type":39},"2026-07-24","ACTUAL",{"date":41,"type":20},"2026-07-27",{"date":43,"type":20},"2026-10-12",{"name":45,"class":46},"Medipol University","OTHER",1,{"id":49,"slug":50,"hasResults":11,"nctId":51,"briefTitle":52,"officialTitle":52,"acronym":53,"eligibilityCriteria":54,"healthyVolunteers":55,"sex":15,"minAge":56,"maxAge":57,"enrollmentInfo":58,"targetDuration":4,"studyType":21,"phases":60,"briefSummary":61,"conditions":62,"keywords":65,"overallStatus":35,"whyStopped":4,"lastUpdateSubmitDate":74,"lastUpdatePostDateStruct":75,"startDateStruct":76,"completionDateStruct":78,"leadSponsor":80,"locationsCount":47},"100648991","reper-age-reorganization-of-visuo-cognitive-functions-based-on-peripheral-vision-with-aging-100648991","NCT07727369","RePer-AGE: Reorganization of Visuo-cognitive Functions Based on Peripheral Vision With Aging","RePer-AGE","Inclusion Criteria:\n\n* Healthy young adults aged 18 to 30 years or healthy older adults aged 60 to 85 years.\n* Normal or corrected-to-normal visual acuity.\n* No ophthalmological disease affecting visual function.\n* For participants aged 60 years or older: Mini-Mental State Examination (MMSE) score ≥23.\n* Affiliated with a national health insurance system.\n* Written informed consent.\n\nNon inclusion Criteria:\n\n* Individuals protected under French regulations governing research involving human participants.\n* Employees or individuals under the direct authority of the investigators.\n* History of neurological or psychiatric disorders likely to affect visual or cognitive functions.\n* Current treatment likely to alter visual function or vigilance.\n* MRI contraindications (metallic implants, pacemaker, severe claustrophobia, or other MRI safety contraindications) for participation in the MRI arm only.",true,"18 Years","85 Years",{"count":59,"type":20},160,[23],"The RePer-AGE study investigates how central and peripheral vision contribute to visual recognition and how these mechanisms change with normal aging. The study is based on the hypothesis that peripheral vision provides rapid global information that supports visual recognition through predictive mechanisms. Healthy young adults (18-30 years) and older adults (60-85 years) will undergo visual psychophysical testing, ophthalmological examinations, and, for a subset of participants, functional magnetic resonance imaging (fMRI). The results are expected to improve our understanding of age-related changes in visuo-cognitive functions and provide reference data for future studies on age-related visual disorders.",[63,26,64],"Aging","Cognition",[66,67,68,69,70,71,72,73],"Healthy Aging","Peripheral vision","Central vision","Visual recognition","Predictive processing","Psychophysics","Retinal sensitivity","fMRI","2026-07-21",{"date":41,"type":39},{"date":77,"type":20},"2026-09-01",{"date":79,"type":20},"2030-09",{"name":81,"class":46},"University Hospital, Grenoble",{"id":83,"slug":84,"hasResults":11,"nctId":85,"briefTitle":86,"officialTitle":87,"acronym":4,"eligibilityCriteria":88,"healthyVolunteers":55,"sex":15,"minAge":56,"maxAge":4,"enrollmentInfo":89,"targetDuration":4,"studyType":21,"phases":91,"briefSummary":93,"conditions":94,"keywords":4,"overallStatus":96,"whyStopped":4,"lastUpdateSubmitDate":97,"lastUpdatePostDateStruct":98,"startDateStruct":100,"completionDateStruct":102,"leadSponsor":104,"locationsCount":47},"100608958","early-phase-1-restructuring-the-alpha-gamma-code-in-aging-vision-100608958","NCT07208318","Restructuring the Alpha-Gamma Code in Aging Vision","Rescuing Visual Perception in Aging Adults by Restructuring the Alpha-Gamma Neural Code","Inclusion Criteria:\n\n* 18+ years of age or older\n* normal or corrected-to-normal visual acuity, color vision, and stereo vision\n\nExclusion Criteria:\n\n* not pregnant,\n* no metal implants in head,\n* no implanted electronic devices,\n* no history of neurological problems or head injury,\n* no skin sensitivity,\n* no claustrophobia,\n* no dementia (normal Mini Mental State Examination between 24-30; Montreal Cognitive Assessment \\> 25)\n* no depression (normal Beck Depression Inventory II \\\u003C13; Geriatric Depression Scale \\\u003C 10)\n* no ophthalmological diseases (e.g., strabismus, glaucoma, cataract, macular degeneration)\n* no history of psychosis\n* no cognitive deficits (MMSE score\\>24; MoCA\\>25)\n* cannot be taking any psychoactive medication.",{"count":90,"type":20},240,[92],"EARLY_PHASE1","Tests whether age-related visual deficits arise from disrupted alpha-gamma coupling in visual cortex (V1) and MT. Uses fMRI, source-resolved HD-EEG, and personalized complex-waveform HD-tACS to (1) quantify aging effects on phase-amplitude coupling, (2) drive PAC into a preferred \"gamma-at-alpha-troughs\" state, and (3) bidirectionally change perception by aligning gamma to alpha troughs vs peaks. Two five-day, double-blind, sham-controlled studies (n=120 each) target contrast sensitivity (V1) and 3D shape-from-motion (MT), aiming for mechanistic insight and remediation in older adults with implications for ADRD.",[63,26,95],"Noninvasive Brain Stimulation","RECRUITING","2026-07-14",{"date":99,"type":39},"2026-07-16",{"date":101,"type":39},"2026-04-02",{"date":103,"type":20},"2030-08-31",{"name":105,"class":46},"Boston University Charles River Campus",{"id":107,"slug":108,"hasResults":11,"nctId":109,"briefTitle":110,"officialTitle":111,"acronym":4,"eligibilityCriteria":112,"healthyVolunteers":11,"sex":15,"minAge":56,"maxAge":4,"enrollmentInfo":113,"targetDuration":4,"studyType":115,"phases":4,"briefSummary":116,"conditions":117,"keywords":4,"overallStatus":96,"whyStopped":4,"lastUpdateSubmitDate":119,"lastUpdatePostDateStruct":120,"startDateStruct":122,"completionDateStruct":124,"leadSponsor":126,"locationsCount":128},"100514667","visual-perception-difficulties-after-stroke-100514667","NCT05981482","Visual Perception Difficulties After Stroke","Accuracy and Utility of the Oxford Visual Perception Screening (OxVPS), a Screening for Visual Perception Difficulties in Stroke Survivors","Inclusion Criteria:\n\n* Patients with a clinical diagnosis of stroke (ischemic stroke and\u002For intracerebral haemorrhage).\n* Within 6 weeks of confirmed stroke.\n\nExclusion Criteria:\n\n* Insufficient understanding of English\n* Clinical concerns that patient is unable follow simple instructions.\n* Clinical concerns that patient is unable to concentrate for 15 minutes.\n* No capacity to provide informed consent.",{"count":114,"type":20},200,"OBSERVATIONAL","The goal of this observational study is to learn how well the Oxford Visual Perception Screening (OxVPS) tool can identify stroke survivors with visual perception difficulties.\n\nThe main aim is to determine the accuracy and utility of the OxVPS compared to the current gold standard assessment in stroke survivors. In other words, how well can the Oxford Visual Perception Screening tool (OxVPS) identify stroke patients with visual perception problems?\n\nParticipants will completed the OxVPS and the current gold standards visual perception screening tool.",[118,26],"Stroke","2024-08-05",{"date":121,"type":39},"2024-08-06",{"date":123,"type":39},"2023-06-20",{"date":125,"type":20},"2026-02-28",{"name":127,"class":46},"Durham University",3]