Experiment 2: One Target in Many Situations

Part of paid clinical trials in Newton, Massachusetts.

Sponsor
Brigham and Women's Hospital
Study ID
NCT06934148
Status
Recruiting
Apply to this trial

Conditions

  • Attention
  • Healthy
  • Vision

Eligibility Criteria

Sex
ALL
Age
18 Years - N/A
Healthy Volunteers
Accepted

Interventions

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

Study Details

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. The target is the same in every task but the types of distractors change from task to task. 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.

Key Dates

Start date
Jun 1, 2024
Status verified
Apr 2025
Primary completion
Jun 1, 2029
Completion
Jun 30, 2029

Study Design

Enrollment
40 participants (estimated)
Allocation
RANDOMIZED
Intervention model
SEQUENTIAL
Primary purpose
BASIC_SCIENCE

Arms

  • Experimental: Blocked Trials
    There are four search tasks in this experiment. Each task will be presented in a separate block of 100 trials
  • Experimental: Mixed Trials
    There are four search tasks in this experiment. All tasks will be randomly mixed in a single block of 400 trials.

Primary Outcome Measure

Response Time (RT) [ Time Frame: through study completion, an average of one year ]

Central Contacts

Locations (1)

FacilityCityStateZIPSite coordinators
Brigham & Women's HospitalNewtonMassachusetts02458-2423
Jeremy M Wolfe, PhD
[email protected]
6178511166
Cailey Tennyson, AB
[email protected]
617-525-3681
Jeremy M Wolfe, PhD (PRINCIPAL_INVESTIGATOR)

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