HealthyNCT05784233
Relevance and Salience During Attention Task
A study testing Relevance (Likelihood Salient Item is Target) in people with Healthy, run by Lehigh University at 1 site in United States.
Trial summary
In this line of research, the researchers are examining the influence of relevance of a salient item on task performance, depending on overall task set. Read more about this study
- Who is it for?
- Ages 18 to 99 yearsHealthy volunteers can take part
- Conditions the study is for
- Healthy
- What is being tested?
- Relevance (Likelihood Salient Item is Target)
- Type of treatment
- Lifestyle or therapy programme
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 117 participants
- Where
- 1 siteUnited States
- Study dates
- 15 Sep 2022to 28 Oct 2022
- Phase
- Interventional
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 99 years
- All sexes
- Healthy volunteers accepted
- Adult, Older adult
Who may be able to join
- normal or corrected to normal visual acuity, normal color vision
Who cannot join
- -
Trial locations and contacts
1 site in 1 country.
About this study
In this line of research, the researchers are examining the influence of relevance of a salient item on task performance, depending on overall task set.
Read the detailed description
When finding a target item during visual search (looking for a pencil), a salient item can capture attention (your phone flashing from a message). Typical attention studies only examine salient items when shown as distractor during search, to ensure any attention to the items are driven by salience alone. However, the impact of salience may interact with the relevance of the item for the search task (e.g. how likely the salient item is to be the target). Here, the researchers investigate these interactions in a basic science study when participants perform an easy task or a difficult search task.
- Conditions
- Healthy
- Being tested
- Relevance (Likelihood Salient Item is Target)
- Keywords
- attention, visual search
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Relevance (Likelihood Salient Item is Target)Behavioural
The proportion of trials, when the salient visual item is present in the array, where the salient item is the search target.
| Study group | Role | What they receive |
|---|---|---|
| 0% Relevance | Experimental | 0% chance of the salient item being the target during visual search task. Receives: Behavioral: Relevance (Likelihood Salient Item is Target) |
| 25% Relevance | Experimental | 25% chance of the salient item being the target during visual search task. Receives: Behavioral: Relevance (Likelihood Salient Item is Target) |
| 50% Relevance | Experimental | 50% chance of the salient item being the target during visual search task. Receives: Behavioral: Relevance (Likelihood Salient Item is Target) |
| 75% Relevance | Experimental | 75% chance of the salient item being the target during visual search task. Receives: Behavioral: Relevance (Likelihood Salient Item is Target) |
| 100% Relevance | Experimental | 100% chance of the salient item being the target during visual search task. Receives: Behavioral: Relevance (Likelihood Salient Item is Target) |
What is being measured
The primary outcome is the main question the study is designed to answer.
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
Measured: During Testing (single day)
Button Press Accuracy
Accuracy of responses to target item- 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
Measured: During Testing (single day)
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted24 Mar 2023
- Study start15 Sep 2022
- Primary completion28 Oct 2022
- Study completion28 Oct 2022
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for HealthyStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Basic science
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Model description
- All participants receive each level of task (easy singleton detection task, hard feature search task) and salient item presence (present, absent during search). Groups differ based on the likelihood of the salient item being the search target when present(0%-100%, in 25% increments).
- Masking
- None (open label)
- Enrolment
- 117 participants (actual)
Sponsor and investigators
- Lead sponsor
- Lehigh University
- Sponsor type
- University, hospital or other
- Responsible party
- Sponsor
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT05784233
- Sponsor's protocol ID
- 5R15EY030247-01A1
- Status last verified
- Feb 2024
- First submitted
- 13 Mar 2023
- Last updated
- 2 Feb 2024
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- Yes: The researchers plan to share anonymized subject data on Open Science Framework.
Study at a glance
From the registry record, last updated by the sponsor on 2 Feb 2024. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Relevance and Salience During Attention Task
- ClinicalTrials.gov ID
- NCT05784233
- Acronym / sponsor ID
- 5R15EY030247-01A1
- Conditions
- Healthy
- Keywords
- attention, visual search
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 117 participants (actual)
- Lead sponsor
- Lehigh UniversityUniversity, hospital or other
- Study start
- 15 Sep 2022 (actual)
- Primary completion
- 28 Oct 2022 (actual)
- Study completion
- 28 Oct 2022 (actual)
- First posted
- 24 Mar 2023 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
In this line of research, the researchers are examining the influence of relevance of a salient item on task performance, depending on overall task set.
Detailed description
When finding a target item during visual search (looking for a pencil), a salient item can capture attention (your phone flashing from a message). Typical attention studies only examine salient items when shown as distractor during search, to ensure any attention to the items are driven by salience alone. However, the impact of salience may interact with the relevance of the item for the search task (e.g. how likely the salient item is to be the target). Here, the researchers investigate these interactions in a basic science study when participants perform an easy task or a difficult search task.
Study design
- Primary purpose
- Basic science
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Number of arms
- 5
- Model description
- All participants receive each level of task (easy singleton detection task, hard feature search task) and salient item presence (present, absent during search). Groups differ based on the likelihood of the salient item being the search target when present(0%-100%, in 25% increments).
| Arm | Type | Receives |
|---|---|---|
| 0% Relevance | Experimental | Behavioral: Relevance (Likelihood Salient Item is Target)0% chance of the salient item being the target during visual search task. |
| 25% Relevance | Experimental | Behavioral: Relevance (Likelihood Salient Item is Target)25% chance of the salient item being the target during visual search task. |
| 50% Relevance | Experimental | Behavioral: Relevance (Likelihood Salient Item is Target)50% chance of the salient item being the target during visual search task. |
| 75% Relevance | Experimental | Behavioral: Relevance (Likelihood Salient Item is Target)75% chance of the salient item being the target during visual search task. |
| 100% Relevance | Experimental | Behavioral: Relevance (Likelihood Salient Item is Target)100% chance of the salient item being the target during visual search task. |
Who may qualify
- Ages
- 18 to 99 years
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (1 listed)
- normal or corrected to normal visual acuity, normal color vision
Key exclusion criteria (1 listed)
- -
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Relevance (Likelihood Salient Item is Target)The proportion of trials, when the salient visual item is present in the array, where the salient item is the search target. | Behavioural | 0% Relevance, 100% Relevance, 25% Relevance, 50% Relevance, 75% Relevance |
Primary outcome
Button Press Reaction Time
Time frame: During Testing (single day)
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
Button Press Accuracy
Time frame: During Testing (single day)
Accuracy of responses to target item- 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
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 2 Feb 2024.
- Individual participant dataSharing planned: Yes. The researchers plan to share anonymized subject data on Open Science Framework.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
The record lists no contact. Use the official record to reach the sponsor.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Relevance (Likelihood Salient Item is Target) in people with Healthy, run by Lehigh University at 1 site in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 1 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 2 Feb 2024. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Button Press Reaction Time (time frame: During Testing (single day)). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 2 Feb 2024.