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Journal Article

The architecture of the human default mode network explored through cytoarchitecture, wiring and signal flow

MPS-Authors
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Valk,  Sofie L.       
Institute of Neuroscience and Medicine (INM-7), Brain and Behavior, Research Center Jülich, Germany;
Otto Hahn Group Cognitive Neurogenetics, MPI for Human Cognitive and Brain Sciences, Max Planck Society;
Institute of Systems Neuroscience, University Hospital Düsseldorf, Germany;

External Resource

https://www.nature.com/articles/s41593-024-01868-0#Sec24
(Research data)

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Fulltext (public)

Paquola_2025.pdf
(Publisher version), 11MB

Supplementary Material (public)

Paquola_2025_Suppl.pdf
(Supplementary material), 10MB

Citation

Paquola, C., Garber, M., Frässle, S., Royer, J., Zhou, Y., Tavakol, S., et al. (2025). The architecture of the human default mode network explored through cytoarchitecture, wiring and signal flow. Nature Neuroscience. doi:10.1038/s41593-024-01868-0.


Cite as: https://hdl.handle.net/21.11116/0000-0010-CE0E-8
Abstract
The default mode network (DMN) is implicated in many aspects of complex thought and behavior. Here, we leverage postmortem histology and in vivo neuroimaging to characterize the anatomy of the DMN to better understand its role in information processing and cortical communication. Our results show that the DMN is cytoarchitecturally heterogenous, containing cytoarchitectural types that are variably specialized for unimodal, heteromodal and memory-related processing. Studying diffusion-based structural connectivity in combination with cytoarchitecture, we found the DMN contains regions receptive to input from sensory cortex and a core that is relatively insulated from environmental input. Finally, analysis of signal flow with effective connectivity models showed that the DMN is unique amongst cortical networks in balancing its output across the levels of sensory hierarchies. Together, our study establishes an anatomical foundation from which accounts of the broad role the DMN plays in human brain function and cognition can be developed.