{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Perceptual+Learning",
    "query": {
      "condition": "Perceptual Learning"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 28,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Perceptual+Learning&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T17:01:19.532Z",
  "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": "NCT01223716",
      "title": "An Active Approach to Treat Amblyopia: Video Game Play",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amblyopia"
      ],
      "interventions": [
        {
          "name": "Perceptual learning",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Video Game",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Crossover (Occlusion therapy + Video Game)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Berkeley",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "5 Years to 75 Years"
      },
      "enrollment_count": 20,
      "start_date": "2004-12",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2016-05-17",
      "last_synced_at": "2026-09-02T17:01:19.532Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01223716"
    },
    {
      "nct_id": "NCT05894967",
      "title": "Moderators and Mediators of Perceptual Learning",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognitive Change"
      ],
      "interventions": [
        {
          "name": "C1 - Standard Perceptual Learning (SPL)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "C2 - Long Training (LT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "C3 - Short Staircases (SS)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "C4 - Mixed Difficulty (MD)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "C5 - Noise Training (NT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "C6 - Training with Flankers (TWF)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "C7 - Parafoveal Training (PT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "C8 - Stimulus Variety (SV)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "C8a - Complex Features (CF)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "C9 - Exogenous Attention Training (ExAT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "C10 - Endogenous Attention Training (EnAT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "C11 - Multisensory Facilitation (MF)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "No Contact Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 1140,
      "start_date": "2023-04-14",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2025-12-15",
      "last_synced_at": "2026-09-02T17:01:19.532Z",
      "location_count": 3,
      "location_summary": "Riverside, California • Boston, Massachusetts • Madison, Wisconsin",
      "locations": [
        {
          "city": "Riverside",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05894967"
    },
    {
      "nct_id": "NCT01115283",
      "title": "An Active Approach to Treat Amblyopia: Perceptual Learning and Video Games",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amblyopia"
      ],
      "interventions": [
        {
          "name": "Perceptual learning",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Video Games",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Occlusion therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Berkeley",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "5 Years to 75 Years"
      },
      "enrollment_count": 50,
      "start_date": "2015-07",
      "completion_date": "2022-10-31",
      "has_results": false,
      "last_update_posted_date": "2022-11-14",
      "last_synced_at": "2026-09-02T17:01:19.532Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01115283"
    },
    {
      "nct_id": "NCT05880251",
      "title": "Operant Conditioning of Sensory Brain Responses to Reduce Phantom Limb Pain in People With Limb Amputation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Phantom Limb Pain After Amputation",
        "Lower Limb Amputation",
        "Upper Limb Amputation",
        "Phantom Pain",
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "Operant Conditioning with Peripheral Stimulation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control Group with Peripheral Stimulation Only",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2023-07-01",
      "completion_date": "2025-08-29",
      "has_results": false,
      "last_update_posted_date": "2026-01-16",
      "last_synced_at": "2026-09-02T17:01:19.532Z",
      "location_count": 1,
      "location_summary": "Albany, New York",
      "locations": [
        {
          "city": "Albany",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05880251"
    },
    {
      "nct_id": "NCT02090829",
      "title": "Intranasal Oxytocin and Learning in Autism",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Autism Spectrum Disorders"
      ],
      "interventions": [
        {
          "name": "Syntocinon (synthetic oxytocin)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "17 Years",
        "sex": "MALE",
        "summary": "12 Years to 17 Years · Male only"
      },
      "enrollment_count": 0,
      "start_date": "2014-03",
      "completion_date": "2018-03",
      "has_results": false,
      "last_update_posted_date": "2019-11-01",
      "last_synced_at": "2026-09-02T17:01:19.532Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02090829"
    },
    {
      "nct_id": "NCT04058938",
      "title": "Pain in Breast Surgery Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opioid Use",
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Educational handout instrument",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Kansas Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 100,
      "start_date": "2018-03-01",
      "completion_date": "2020-03-01",
      "has_results": false,
      "last_update_posted_date": "2020-09-28",
      "last_synced_at": "2026-09-02T17:01:19.532Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04058938"
    },
    {
      "nct_id": "NCT06673303",
      "title": "Investigating The Role of Noise Correlations in Learning",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Noise Correlations",
        "Learning Quality"
      ],
      "interventions": [
        {
          "name": "Dynamic perceptual discrimination task",
          "type": "BEHAVIORAL"
        },
        {
          "name": "fMRI",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Brown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 47,
      "start_date": "2024-12-14",
      "completion_date": "2025-09-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-26",
      "last_synced_at": "2026-09-02T17:01:19.532Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06673303"
    },
    {
      "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": "2026-09-02T17:01:19.532Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06822101"
    },
    {
      "nct_id": "NCT00013455",
      "title": "Quantifying Auditory Perceptual Learning Following Hearing Aid Fitting",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hearing Loss"
      ],
      "interventions": [
        {
          "name": "Hearing",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 48,
      "start_date": "2000-08",
      "completion_date": "2003-08",
      "has_results": false,
      "last_update_posted_date": "2009-01-21",
      "last_synced_at": "2026-09-02T17:01:19.532Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00013455"
    },
    {
      "nct_id": "NCT05188183",
      "title": "Pragmatic Trial of Remote tDCS and Somatosensory Training for Phantom Limb Pain With Machine Learning to Predict Treatment Response",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Phantom Limb Pain"
      ],
      "interventions": [
        {
          "name": "M1 anodal home-based tDCS",
          "type": "DEVICE"
        },
        {
          "name": "Somatosensory Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Spaulding Rehabilitation Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 290,
      "start_date": "2022-09-01",
      "completion_date": "2027-07-31",
      "has_results": false,
      "last_update_posted_date": "2025-09-19",
      "last_synced_at": "2026-09-02T17:01:19.532Z",
      "location_count": 1,
      "location_summary": "Cambridge, Massachusetts",
      "locations": [
        {
          "city": "Cambridge",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05188183"
    }
  ]
}