{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Psychological+task&page=4",
    "query": {
      "intervention": "Psychological task",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 128,
    "total_pages": 13,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Psychological+task&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Psychological+task&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-20T06:53:13.983Z",
  "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": "NCT07029165",
      "title": "Kidney Blood Flow During Exercise in Older African American Adults",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Acute exercise",
          "type": "OTHER"
        },
        {
          "name": "Cold pressor test",
          "type": "OTHER"
        },
        {
          "name": "Mental stress test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Massachusetts, Boston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "55 Years to 79 Years"
      },
      "enrollment_count": 12,
      "start_date": "2024-12-04",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-15",
      "last_synced_at": "2026-10-20T06:53:13.983Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07029165"
    },
    {
      "nct_id": "NCT03309072",
      "title": "Investigating Accelerated Learning and Memory in Healthy Subjects Using a Face Name Memory Task",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Adults"
      ],
      "interventions": [
        {
          "name": "tDCS",
          "type": "DEVICE"
        },
        {
          "name": "sham tDCS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The University of Texas at Dallas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 30,
      "start_date": "2017-09-27",
      "completion_date": "2022-01-25",
      "has_results": true,
      "last_update_posted_date": "2022-02-03",
      "last_synced_at": "2026-10-20T06:53:13.983Z",
      "location_count": 1,
      "location_summary": "Richardson, Texas",
      "locations": [
        {
          "city": "Richardson",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03309072"
    },
    {
      "nct_id": "NCT04286776",
      "title": "Memory Retrieval and Encoding Investigated by Neural Stimulation",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Epilepsy Intractable"
      ],
      "interventions": [
        {
          "name": "Direct electrical stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 800,
      "start_date": "2014-10-12",
      "completion_date": "2024-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-11-05",
      "last_synced_at": "2026-10-20T06:53:13.983Z",
      "location_count": 11,
      "location_summary": "Aurora, Colorado • Atlanta, Georgia • Bethesda, Maryland + 7 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04286776"
    },
    {
      "nct_id": "NCT02611375",
      "title": "Conditioning Neural Circuits to Improve Upper Extremity Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Spinal Cord Injury",
        "Tetraplegia"
      ],
      "interventions": [
        {
          "name": "transcranial direct current stimulation",
          "type": "OTHER"
        },
        {
          "name": "peripheral nerve somatosensory stimulation",
          "type": "OTHER"
        },
        {
          "name": "sham transcranial direct current stimulation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Shepherd Center, Atlanta GA",
      "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": 80,
      "start_date": "2017-02-09",
      "completion_date": "2019-07-17",
      "has_results": false,
      "last_update_posted_date": "2020-07-29",
      "last_synced_at": "2026-10-20T06:53:13.983Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02611375"
    },
    {
      "nct_id": "NCT05570721",
      "title": "Depression, Aging, Stress and Heart Health Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Menopause",
        "Depression",
        "Heart Disease in Women",
        "Stress"
      ],
      "interventions": [
        {
          "name": "Trier Social Stress Test",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "44 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "44 Years to 55 Years · Female only"
      },
      "enrollment_count": 41,
      "start_date": "2022-11-16",
      "completion_date": "2025-02-25",
      "has_results": false,
      "last_update_posted_date": "2026-10-05",
      "last_synced_at": "2026-10-20T06:53:13.983Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05570721"
    },
    {
      "nct_id": "NCT05845164",
      "title": "tDCS and Impulsivity",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Substance Use Disorders",
        "Substance Abuse",
        "Substance Use"
      ],
      "interventions": [
        {
          "name": "tDCS",
          "type": "DEVICE"
        },
        {
          "name": "tDCS Sham",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "18 Years to 79 Years"
      },
      "enrollment_count": 30,
      "start_date": "2023-06-01",
      "completion_date": "2023-10-11",
      "has_results": false,
      "last_update_posted_date": "2023-05-06",
      "last_synced_at": "2026-10-20T06:53:13.983Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05845164"
    },
    {
      "nct_id": "NCT03873844",
      "title": "Improving Thinking in Everyday Life: Pilot Study A",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "Speed of Processing Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Transfer Package from CI Therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2019-04-01",
      "completion_date": "2022-06-30",
      "has_results": false,
      "last_update_posted_date": "2024-05-28",
      "last_synced_at": "2026-10-20T06:53:13.983Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03873844"
    },
    {
      "nct_id": "NCT07105358",
      "title": "Vision Improvement Through Behavioral Rehabilitation And Neuroplasticity Training",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Visual Field Defect",
        "Stroke",
        "Hemianopia",
        "Quadrantanopia",
        "Cortical Blindness",
        "Brain Tumor",
        "Traumatic Brain Injury",
        "Visual Field Defect, Peripheral"
      ],
      "interventions": [
        {
          "name": "transcranial random noise stimulation (tRNS)",
          "type": "DEVICE"
        },
        {
          "name": "Sham Stimulation",
          "type": "DEVICE"
        },
        {
          "name": "Perceptual learning-based training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "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": 30,
      "start_date": "2025-07-17",
      "completion_date": "2028-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-14",
      "last_synced_at": "2026-10-20T06:53:13.983Z",
      "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/NCT07105358"
    },
    {
      "nct_id": "NCT00613405",
      "title": "Stress and Marijuana Cue-elicited Craving and Reactivity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cannabis Use Disorders"
      ],
      "interventions": [
        {
          "name": "Stress + cue exposure",
          "type": "OTHER"
        },
        {
          "name": "No stress + cue exposure",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Medical University of South Carolina",
      "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": 87,
      "start_date": "2008-01",
      "completion_date": "2009-05",
      "has_results": true,
      "last_update_posted_date": "2013-04-30",
      "last_synced_at": "2026-10-20T06:53:13.983Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00613405"
    },
    {
      "nct_id": "NCT05248178",
      "title": "tDCS and Metacognitive Strategy Training in Stroke",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Stroke"
      ],
      "interventions": [
        {
          "name": "CO-OP Procedures",
          "type": "BEHAVIORAL"
        },
        {
          "name": "tDCS",
          "type": "DEVICE"
        },
        {
          "name": "Computer Cognitive Training Procedures",
          "type": "BEHAVIORAL"
        },
        {
          "name": "sham tDCS group",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "University of Missouri-Columbia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 11,
      "start_date": "2022-01-31",
      "completion_date": "2025-06-11",
      "has_results": false,
      "last_update_posted_date": "2026-04-28",
      "last_synced_at": "2026-10-20T06:53:13.983Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05248178"
    }
  ]
}