{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+perceptual+learning",
    "query": {
      "intervention": "Visual perceptual learning"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 21,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+perceptual+learning&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T18:35:04.234Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT04105530",
      "title": "Transcranial Direct Current Stimulation of the Temporal Cortex in Survivors of Childhood Acute Lymphoblastic Leukemia (ALL)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Lymphoblastic Leukemia",
        "Transcranial Direct Current Stimulation",
        "Executive Dysfunction"
      ],
      "interventions": [
        {
          "name": "Anodal tDCS treatment",
          "type": "DEVICE"
        },
        {
          "name": "Cathodal tDCS treatment",
          "type": "DEVICE"
        },
        {
          "name": "Sham treatment",
          "type": "DEVICE"
        },
        {
          "name": "NIH Toolbox List Sorting Working Memory Test",
          "type": "OTHER"
        },
        {
          "name": "NIH Toolbox Flanker Inhibitory Control and Attention Test",
          "type": "OTHER"
        },
        {
          "name": "Grooved Peg Board Test",
          "type": "OTHER"
        },
        {
          "name": "Buschke Selective Reminding Test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "215 Months",
        "sex": "ALL",
        "summary": "8 Years to 215 Months"
      },
      "enrollment_count": 36,
      "start_date": "2019-11-18",
      "completion_date": "2024-09",
      "has_results": false,
      "last_update_posted_date": "2024-01-12",
      "last_synced_at": "2026-09-03T18:35:04.234Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04105530"
    },
    {
      "nct_id": "NCT06822101",
      "title": "Mechanisms of Perceptual Learning",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Perceptual Learning"
      ],
      "interventions": [
        {
          "name": "Visual Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 400,
      "start_date": "2025-02-11",
      "completion_date": "2028-05-31",
      "has_results": false,
      "last_update_posted_date": "2025-05-02",
      "last_synced_at": "2026-09-03T18:35:04.234Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06822101"
    },
    {
      "nct_id": "NCT01852929",
      "title": "Sleep Apnea and Visual Perceptual Skill Learning",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Apnea"
      ],
      "interventions": [
        {
          "name": "Subject using usual positive airway pressure therapy while sleeping for one night",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Heidi Roth, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 14,
      "start_date": "2009-11",
      "completion_date": "2012-05",
      "has_results": false,
      "last_update_posted_date": "2013-05-14",
      "last_synced_at": "2026-09-03T18:35:04.234Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01852929"
    },
    {
      "nct_id": "NCT05311878",
      "title": "Non-invasive BCI for Cognitive Enhancement",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Subjects",
        "Neuropsychiatric Disorders"
      ],
      "interventions": [
        {
          "name": "EEG-based perceptual training",
          "type": "DEVICE"
        },
        {
          "name": "Behavior based perceptual training",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Texas at Austin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 32,
      "start_date": "2021-01-01",
      "completion_date": "2023-11-01",
      "has_results": false,
      "last_update_posted_date": "2025-04-24",
      "last_synced_at": "2026-09-03T18:35:04.234Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05311878"
    },
    {
      "nct_id": "NCT02719964",
      "title": "Rehabilitation of Visual Attention Following mTBI",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Traumatic Brain Injury"
      ],
      "interventions": [
        {
          "name": "Visual Attention Program (UCR Games)",
          "type": "OTHER"
        },
        {
          "name": "Speech Pathologist-Directed Therapy",
          "type": "OTHER"
        },
        {
          "name": "General Cognitive Rehabilitation Games (Lumosity)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "United States Naval Medical Center, San Diego",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2016-05",
      "completion_date": "2020-10",
      "has_results": false,
      "last_update_posted_date": "2019-03-13",
      "last_synced_at": "2026-09-03T18:35:04.234Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02719964"
    },
    {
      "nct_id": "NCT07635329",
      "title": "Home-based Vision Rehabilitation Guided by Brain Imaging",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Visual Field Defect",
        "Stroke",
        "Hemianopia Homonymous",
        "Quadrantanopia",
        "Cortical Blindness",
        "Visual Field Defect, Peripheral",
        "Visual Field Loss",
        "Traumatic Brain Injury",
        "Brain Tumor"
      ],
      "interventions": [
        {
          "name": "High-level perceptual learning-based training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Low-level perceptual learning-based training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Georgetown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2026-07-01",
      "completion_date": "2030-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-09",
      "last_synced_at": "2026-09-03T18:35:04.234Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07635329"
    },
    {
      "nct_id": "NCT05454124",
      "title": "Factors in Learning And Plasticity: Macular Degeneration",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Central Visual Impairment",
        "Macular Degeneration"
      ],
      "interventions": [
        {
          "name": "Training visual sensitivity",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Combination training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 60,
      "start_date": "2022-11-01",
      "completion_date": "2026-11",
      "has_results": false,
      "last_update_posted_date": "2026-02-09",
      "last_synced_at": "2026-09-03T18:35:04.234Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05454124"
    },
    {
      "nct_id": "NCT07216924",
      "title": "Remapping Text in Sentence and Word Tasks to Aid Reading With Central Vision Loss",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Macular Degeneration",
        "Central Visual Impairment"
      ],
      "interventions": [
        {
          "name": "Personalised Remapping Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "RSVP personalized remappi",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Reading text in the wild with remapping",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2027-06",
      "completion_date": "2032-05",
      "has_results": false,
      "last_update_posted_date": "2026-07-07",
      "last_synced_at": "2026-09-03T18:35:04.234Z",
      "location_count": 1,
      "location_summary": "Edina, Minnesota",
      "locations": [
        {
          "city": "Edina",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07216924"
    },
    {
      "nct_id": "NCT06117332",
      "title": "AI-Powered Artificial Vision for Visual Prostheses",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Blindness, Acquired"
      ],
      "interventions": [
        {
          "name": "Visual prosthesis",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, Santa Barbara",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 7,
      "start_date": "2023-10-02",
      "completion_date": "2027-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-20",
      "last_synced_at": "2026-09-03T18:35:04.234Z",
      "location_count": 1,
      "location_summary": "Santa Barbara, California",
      "locations": [
        {
          "city": "Santa Barbara",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06117332"
    },
    {
      "nct_id": "NCT07015840",
      "title": "Generalization and Specificity of Visual Learning During Sleep",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Visual Learning",
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Visual perceptual learning",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 12,
      "start_date": "2025-02-01",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-27",
      "last_synced_at": "2026-09-03T18:35:04.234Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07015840"
    }
  ]
}