Brain, Emotions, and Mind-Wandering
At a glance
Conditions
Where it's being run
1 sites across 1 statesStudy leadership
- Danella Hafeman, MD, PhD · PRINCIPAL_INVESTIGATOR · University of Pittsburgh
Who to contact
This trial hasn't published a contact. View it on ClinicalTrials.gov
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What this trial measures
- PCC-FPCN rsFC: Seed-basedPCC-FPCN rsFC will be assessed up to 3 months after completing the MBI/HWI group.
During each visit, the investigators will collect 10 minutes of resting-state data (eyes open; 2 runs, 5 minutes each), using Framewise Integrated Real-time MRI Monitoring (FIRMM) to ensure high quality. Following preprocessing, the investigators will assess resting-state functional connectivity between the posterior cingulate cortex (PCC; 0,-62,24; 4mm radius) and the frontoparietal control network (FPCN). The investigators will use mixed models to assess changes over time in the MBI vs. HWI group.
- SART AccuracySART accuracy will be assessed up to 3 months after completing the MBI/HWI group.
Participants will complete a Sustained Attention to Response Task (SART). In this task, numbers 1-9 will be sequentially displayed on the screen. Participants will be asked to press the space bar for every number except for "3". Overall target discrimination (d') will be assessed by calculating and z-transforming the "false alarm rate" (% omission errors, i.e. failing to press the space bar when indicated) and subtracting it from the z-transformed "hit rate" (% correct omissions, i.e. accurately not pressing the space bar to "3"). The investigators will use mixed models to assess changes over time in the MBI vs. HWI group.
- SART: Mind-wandering Awareness ProbeMind-wandering during the SART will be assessed up to 3 months after completing the MBI/HWI group.
Participants will complete a Sustained Attention to Response Task (SART). In this task, numbers 1-9 will be sequentially displayed on the screen. Participants will be asked to press the space bar for every number except for "3". To assess mind-wandering awareness, following each block of 10, 14, 18, 22, or 26 trials, participants will be asked to rate on 5-point likert scales "Where was your attention focused just now?"; and "How aware were you of where your attention was?". Self-report probes will be classified as on-task (responses 1-2 on 5-point "on-task" scale); off-task aware (responses 3-5 on 5-point "on-task" scale + responses 1-2 on 5-point "aware" scale); or off-task unaware (responses 3-5 on 5-point "on-task" scale + responses 3-5 on 5-point "aware" scale). The investigators will use mixed models to assess changes over time in the MBI vs. HWI group.