Cited by 45Mind wandering and attentionFunctional Brain Connectivity StudiesCognitive Functions and Memory

Lesion network mapping demonstrates that mind-wandering is associated with the default mode network

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Philippi, Carissa L., Bruss, Joel, Boes, Aaron D., Albazron, Fatimah M., Deifelt Streese, Carolina, Ciaramelli, Elisa, Rudrauf, David, Tranel, Daniel·2021·Journal of Neuroscience Research

Abstract

Functional neuroimaging research has consistently associated brain structures within the default mode network (DMN) and frontoparietal network (FPN) with mind‐wandering. Targeted lesion research has documented impairments in mind‐wandering after damage to the medial prefrontal cortex (mPFC) and hippocampal regions associated with the DMN. However, no lesion studies to date have applied lesion network mapping to identify common networks associated with deficits in mind‐wandering. In lesion network mapping, resting‐state functional connectivity data from healthy participants are used to infer which brain regions are functionally connected to each lesion location from a sample with brain injury. In the current study, we conducted a lesion network mapping analysis to test the hypothesis that lesions affecting the DMN and FPN would be associated with diminished mind‐wandering. We assessed mind‐wandering frequency on the Imaginal Processes Inventory (IPI) in participants with brain injury ( n = 29) and healthy comparison participants without brain injury ( n = 19). Lesion network mapping analyses showed the strongest association of reduced mind‐wandering with the left inferior parietal lobule within the DMN. In addition, traditional lesion symptom mapping results revealed that reduced mind‐wandering was associated with lesions of the dorsal, ventral, and anterior sectors of mPFC, parietal lobule, and inferior frontal gyrus in the DMN ( p < 0.05 uncorrected). These findings provide novel lesion support for the role of the DMN in mind‐wandering and contribute to a burgeoning literature on the neural correlates of spontaneous cognition.

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  • There is a strong association between reduced mind wandering and left AG lesions.

    “which revealed a strong association between reduced mind wandering and left AG lesions.”

    From 20 years of the default mode network: A review and synthesis. (2023) · cites this paper as [71]

    The Results (Lesion network mapping analysis) identify the left inferior parietal lobule (angular gyrus) as the strongest lesion-associated network finding, and the Discussion reports an association with angular gyrus lesions in traditional lesion-symptom mapping. But the strongest network finding includes lesions functionally connected to that region, not just lesions in the left angular gyrus; the direct lesion-symptom findings did not survive correction for multiple comparisons. (LLM, conf=0.87)

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Authors
Philippi, C. L., Bruss, J., Boes, A. D., Albazron, F. M., Deifelt Streese, C., Ciaramelli, E., Rudrauf, D., & Tranel, D.
Affiliations
  • University of Missouri–St. Louis (US)
  • University of Iowa Hospitals and Clinics (US)
  • Department of Neurology University of Iowa Hospitals and Clinics Iowa City IA USA
  • University of Bologna (IT)
  • University of Geneva (CH)
  • University of Iowa (US)
Corresponding author
Philippi, Carissa L.
Venue
Journal of Neuroscience Research
Publisher
Wiley
Published
2020-06-28
Volume
99
Issue
1
Pages
361-373
ISSN
  • 0360-4012 (ISSN-L)
  • 1097-4547
OpenAlex
W3037877359
Cited by
45
References
68
Citations by year
2026: 9 · 2025: 4 · 2024: 8 · 2023: 10 · 2022: 7 · 2021: 6 · 2020: 1
FWCI
3.22
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroscience Research (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Archivio istituzionale della ricerca (Alma Mater Studiorum Università di Bologna) (submittedVersion)
Funders
National Institutes of Health (K12NS098482, P50 MH0942581, U01 NS103780)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Mind wandering and attention
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Cognitive Functions and Memory
Keywords
mind wandering, default mode network, frontoparietal network, lesion network mapping, brain injury, spontaneous cognition, resting-state functional connectivity, inferior parietal lobule, medial prefrontal cortex, lesion-symptom mapping
MeSH terms
Default Mode Network, Aged, Attention, Brain, Brain Injuries, Brain Mapping, Female, Humans, Male, Middle Aged

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