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RECRUITING Not applicable ClinicalTrials.gov

Mixed Vs Blocked Search: Four Unique Tasks

Sponsor: Brigham and Women's Hospital • ClinicalTrials.gov ID: NCT06933693

Registry updated: 2026-08-19
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Description

The goal is to look for qualitative differences in visual search behavior when one search is performed many times in a row compared to when multiple search tasks are intermixed. Four search tasks are tested. In the Mixed condition, the four tasks are randomly changed from trial to trial. In the Blocked condition, each task is run as a block of 100 trials.

Interventions

  • Mixed trials (Behavioral)
    All tasks will be randomly mixed in a single block of 400 trials.
  • Blocked Trials (Behavioral)
    Each search task will be presented in a block of trials.

Eligibility criteria

Inclusion Criteria: * Pass Ishihara color vision test Exclusion Criteria: * vision less than 20/25 with correction * history of neuromuscular or visual disorders

Conditions

Vision Healthy Attention

Locations

  • Brigham & Women's Hospital — Boston, Massachusetts, United States
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Official Source

Data sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

View Official Record