ArticleProceedings of the National Academy of Sciences of the United States of America2022
Structure-function subsystem model and computational lesions of the central nervous system's rostral sector (forebrain and midbrain).
Article in Proceedings of the National Academy of Sciences of the United States of America, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed, 10 citations in OpenAlex.
- Cortical similarity networks in the rat brain: Postnatal development and sensitivity to early life stress.Network neuroscience (Cambridge, Mass.) · 2026Article
- Intrinsic neuronal network organization of a mammalian peripheral nervous system.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- The intrinsic neuronal network of the central nervous system and its modular (subsystem) architecture in a mammal.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- The brain cortical similarity network: Development and sensitivity to early life stress in a rat model.bioRxiv : the preprint server for biology · 2025Article
- Topographic organization of bidirectional connections between the cingulate region (infralimbic area and anterior cingulate area, dorsal part) and the interbrain (diencephalon) of the adult male rat.bioRxiv : the preprint server for biology · 2024Article
- Neural network architecture of a mammalian brain.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Network architecture of intrinsic connectivity in a mammalian spinal cord (the central nervous system's caudal sector).Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Intrinsic circuitry of the rhombicbrain (central nervous system's intermediate sector) in a mammal.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- Structure-function subsystem model and computational lesions of the central nervous system's rostral sector (forebrain and midbrain).Proceedings of the National Academy of Sciences of the United States of America · 2022Article
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3 authors at 2 institutions in 1 country.
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Abstract
The craniote central nervous system has been divided into rostral, intermediate, and caudal sectors, with the rostral sector containing the vertebrate forebrain and midbrain. Here, network science tools were used to create and analyze a rat hierarchical structure-function subsystem model of intrarostral sector neural connectivity between gray matter regions. The hierarchy has 109 bottom-level subsystems and three upper-level subsystems corresponding to voluntary behavior control, cognition, and affect; instinctive survival behaviors and homeostasis; and oculomotor control. As in previous work, subsystems identified based on their coclassification as network communities are revealed as functionally related. We carried out focal perturbations of neural structural connectivity comprehensively by computationally lesioning each region of the network, and the resulting effects on the network's modular (subsystem) organization were systematically mapped and measured. The pattern of changes was found to be correlated with three structural attributes of the lesioned region: region centrality (degree, strength, and betweenness), region position in the hierarchy, and subsystem distribution of region neural outputs and inputs. As expected, greater region centrality results, on average, in stronger lesion impact and more distributed lesion effects. In addition, our analysis suggests that strongly functionally related regions, belonging to the same bottom-level subsystem, exhibit similar effects after lesioning. These similarities account for coherent patterns of disturbances that align with subsystem boundaries and propagate through the network. These systematic lesion effects and their similarity across functionally related regions are of potential interest for theoretical, experimental, and clinical studies.
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