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In this line of research, the researchers are utilizing an EEG measure of repeated visual stimulation, the Steady-State Visually Evoked Potential (SSVEP) to examine processing of target and distractor information during visual search. This is a basic science study.
The researchers are interested in how the brain responds to target and distractor information during visual search. The researchers will manipulate the information available to the research participants, and measure research participants brain responses to information matching target or distractor features utilizing an EEG measure of repeated visual stimulation, the Steady-State Visually Evoked Potential (SSVEP).
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Within-Subjects Attentional Information | Experimental | Within-Subjects, all participants receive all interventions |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Visual Search Information Type (target or distractor information) | Behavioral | Participants will have information about targets, distractors, or neither in different blocks of the intervention. |
| Measure | Description | Time Frame |
|---|---|---|
| Steady-State Visually Evoked Response (SSVEP) | Brain response to visual stimuli flashing at a pre-defined frequency | One day (during testing) |
| Button Press Reaction Time | Speed to respond correctly to the target- after participant finds the target shape on a computer screen, they press a button to indicate what shape they see | One day (during testing) |
| Button Press Accuracy | Accuracy of responses to target item (% correct)- the researchers will measure whether the participants presses the correct button which corresponds to the target shape presented on the computer screen or the incorrect button | One day (during testing) |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Nancy Carlisle, PhD | Lehigh University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Lehigh University | Bethlehem | Pennsylvania | 18015 | United States |
The researchers plan to share anonymized subject data on Open Science Framework.
Upon publication.
Open Science Framework internet access.
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All participants receive each level of visual information (target or distractor)
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