{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+Stimuli",
    "query": {
      "intervention": "Visual Stimuli"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 189,
    "total_pages": 19,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+Stimuli&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-12T01:57:48.669Z",
  "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": "NCT03342989",
      "title": "Speed of Processing Training for Cognitive Deficits After Delirium in Older Adults",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Delirium",
        "Dementia"
      ],
      "interventions": [
        {
          "name": "Speed of Processing Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Internet-Based Contact Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2018-08-13",
      "completion_date": "2020-05-31",
      "has_results": false,
      "last_update_posted_date": "2021-11-16",
      "last_synced_at": "2026-09-12T01:57:48.669Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03342989"
    },
    {
      "nct_id": "NCT03318549",
      "title": "BCI and Evaluation of Visual and Task Performance in Subjects With Eye Diseases",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Glaucoma",
        "Macular Degeneration",
        "Glaucoma Suspect",
        "Optic Neuropathy",
        "Retinal Degeneration",
        "Visual Pathway Disorder"
      ],
      "interventions": [
        {
          "name": "Visual Performance tests",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Brain-computer interface",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "DEVICE"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 115,
      "start_date": "2018-10-29",
      "completion_date": "2023-05-31",
      "has_results": true,
      "last_update_posted_date": "2024-11-26",
      "last_synced_at": "2026-09-12T01:57:48.669Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03318549"
    },
    {
      "nct_id": "NCT04099056",
      "title": "Brain Stimulation and Decision-making",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depression"
      ],
      "interventions": [
        {
          "name": "Neurostimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 500,
      "start_date": "2019-11-11",
      "completion_date": "2028-03",
      "has_results": false,
      "last_update_posted_date": "2025-12-10",
      "last_synced_at": "2026-09-12T01:57:48.669Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04099056"
    },
    {
      "nct_id": "NCT06852534",
      "title": "Probing the Role of Feature Dimension Maps in Visual Cognition: Impact of Salience Level (Eye-tracking Follow-up Study)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Basic Science: Visual Attention in Healthy Participants",
        "Attention"
      ],
      "interventions": [
        {
          "name": "Stimulus properties: salience-defining feature",
          "type": "OTHER"
        },
        {
          "name": "Stimulus properties: magnitude of salience",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Santa Barbara",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 20,
      "start_date": "2024-11-22",
      "completion_date": "2025-04-02",
      "has_results": true,
      "last_update_posted_date": "2026-05-11",
      "last_synced_at": "2026-09-12T01:57:48.669Z",
      "location_count": 1,
      "location_summary": "Santa Barbara, California",
      "locations": [
        {
          "city": "Santa Barbara",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06852534"
    },
    {
      "nct_id": "NCT01671436",
      "title": "Meditation for Depression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depression"
      ],
      "interventions": [
        {
          "name": "Central Meditation and Imagery Therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 13,
      "start_date": "2012-09",
      "completion_date": "2014-03",
      "has_results": false,
      "last_update_posted_date": "2021-01-13",
      "last_synced_at": "2026-09-12T01:57:48.669Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01671436"
    },
    {
      "nct_id": "NCT02761707",
      "title": "Biomarkers in Neural Disorders",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson's Disease",
        "Alzheimer's Disease",
        "Progressive Supranuclear Palsy",
        "Essential Tremor",
        "Multiple System Atrophy",
        "Drug Induced Parkinson's Disease",
        "Diffuse Lewy Body Disease",
        "Myasthenia Gravis",
        "Spinal Cord Injuries"
      ],
      "interventions": [
        {
          "name": "Electrical Brainstem Responses",
          "type": "OTHER"
        },
        {
          "name": "Olfactory Tests",
          "type": "OTHER"
        },
        {
          "name": "Visual Deprivation",
          "type": "OTHER"
        },
        {
          "name": "Peripheral Nerve Stimulation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pennsylvania",
      "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": 54,
      "start_date": "2016-06",
      "completion_date": "2019-07-16",
      "has_results": false,
      "last_update_posted_date": "2019-07-18",
      "last_synced_at": "2026-09-12T01:57:48.669Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02761707"
    },
    {
      "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": "2026-09-12T01:57:48.669Z",
      "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": "NCT03268694",
      "title": "Investigation of Oscillations Underlying Human Cognitive and Affective Processing Using Intracranial EEG",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Working Memory",
        "Emotions"
      ],
      "interventions": [
        {
          "name": "Working Memory Task",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Reward Learning Task",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Facial Emotion Recognition Task",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 4,
      "start_date": "2017-08-07",
      "completion_date": "2018-07-29",
      "has_results": false,
      "last_update_posted_date": "2020-01-13",
      "last_synced_at": "2026-09-12T01:57:48.669Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03268694"
    },
    {
      "nct_id": "NCT04060966",
      "title": "Neural Mechanisms of Cost and Benefit Integration During Decision-Making, Aim 2: Acute & Lifetime Stress",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Cold-Pressor Task (CPT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control CPT",
          "type": "BEHAVIORAL"
        },
        {
          "name": "fMRI",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 397,
      "start_date": "2019-05-01",
      "completion_date": "2022-08-01",
      "has_results": false,
      "last_update_posted_date": "2023-07-25",
      "last_synced_at": "2026-09-12T01:57:48.669Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04060966"
    },
    {
      "nct_id": "NCT02622178",
      "title": "How Accurately Does the Diopsys Visual Evoked Potential (VEP) Vision Testing System Detect Glaucoma?",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Glaucoma Diagnosis"
      ],
      "interventions": [
        {
          "name": "Optical Coherence Tomography",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Visual evoked potential",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Wills Eye",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 136,
      "start_date": "2011-09",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2018-11-15",
      "last_synced_at": "2026-09-12T01:57:48.669Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02622178"
    }
  ]
}