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In this line of research, the researchers are examining a basic science question regarding the working memory representations underlying visual search using a positive template (looking for a target) or a negative template (avoiding a distractor).
When finding a search target, receiving a target cue or distractor cue can increase search efficiency. Critically, in order to use these cues to help search performance, they must be maintained in working memory. The researchers are examining whether the working memory representations are of similar quality for a target cue (positive template) or distractor cue (negative template).
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Within-subjects Cue Type | Experimental | Participants receive a target color cue (positive), a distractor color cue (negative), or a neutral non-informative cue prior to visual search. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Visual Search Cue Type | Behavioral | Participants receive a target color cue (positive), a distractor color cue (negative), or a neutral non-informative cue prior to visual search. |
| Measure | Description | Time Frame |
|---|---|---|
| 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 | Day 1 (single day of testing) |
| Button Press Accuracy | Accuracy of responses to target item-measure whether the participants presses the correct button which corresponds to the target shape presented on the computer screen or the incorrect button | Day 1 (single day of testing) |
| Working Memory Report Quality | Accuracy of computer clicks on a set of colors to indicate memory of cue presented | Day 1 (single day of 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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| Type | Date | Date Unknown |
|---|---|---|
| Release | Feb 12, 2024 | |
| Reset | Mar 11, 2024 | |
| Release | Oct 7, 2024 | |
| Reset | Oct 29, 2024 | |
| Release | Mar 3, 2025 | |
| Reset | Mar 18, 2025 |
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| Release Date | Unrelease Date | Unrelease Date Unknown | Reset Date | MCP Release Number |
|---|---|---|---|---|
| Feb 12, 2024 | Mar 11, 2024 | |||
| Oct 7, 2024 |
All participants receive each level of visual cue type.
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| Oct 29, 2024 |
| Mar 3, 2025 | Mar 18, 2025 |