Related Experiment Video
Updated: Jun 11, 2025
09:37
Measurement of Neurophysiological Signals of Ignoring and Attending Processes in Attention Control
Published on: July 5, 2015
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Individual variability in neural representations of mind-wandering.
Aaron Kucyi1, Nathan Anderson2, Tiara Bounyarith1
1Department of Psychological and Brain Sciences, Drexel University, Philadelphia, PA, USA.
Network Neuroscience (Cambridge, Mass.)
|October 2, 2024
Summary
Mind-wandering is linked to brain activity, but its neural patterns are unique to each person. Personalized brain models are crucial for understanding this common mental state.
Area of Science:
- Cognitive Neuroscience
- Neuroimaging
- Individual Differences
Background:
- Mind-wandering is a common daily experience, yet neuroimaging studies often use population averages.
- Previous research on mind-wandering and brain activity, particularly the default mode network (DMN), has lacked individual-specific insights due to limited within-person data.
Purpose of the Study:
- To investigate the neural basis of mind-wandering using densely sampled individuals.
- To explore both conserved and variable brain network patterns associated with mind-wandering across different people.
- To assess the generalizability of predictive models of mind-wandering.
Main Methods:
- Functional magnetic resonance imaging (fMRI) was used in three individuals who reported hundreds of mind-wandering episodes.
- Precision functional mapping was employed to estimate brain networks within individuals.
- Connectome-based predictive modeling was utilized to identify idiosyncratic functional connectivity patterns.
Main Results:
- Reliable associations between mind-wandering and default mode network (DMN) activation were found at the individual level.
- The timing of DMN activity and the specific brain networks involved in mind-wandering varied significantly across individuals.
- Idiosyncratic functional connectivity patterns predicted mind-wandering within individuals but showed limited generalization across them.
Conclusions:
- Mind-wandering exhibits both conserved and variable neural representations across individuals.
- Interindividual variations in the neural correlates of mind-wandering highlight the need for personalized neuroimaging approaches.
- Idiographic (individual-specific) models offer significant scientific and potential clinical value for understanding brain-experience associations.
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