ArticleHuman brain mapping2025
Subcortical Hubs of Brain Networks Sustaining Human Consciousness.
Article in Human brain mapping, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Advances in biomarkers for diagnosing and prognosticating disorders of consciousness.Frontiers in neuroscience · 2026Review
- Functional fractionation of large-scale brain networks in the human subcortex.bioRxiv : the preprint server for biology · 2025Article
- Subcortical Hubs of Brain Networks Sustaining Human Consciousness.Human brain mapping · 2025Article
- Multimodal MRI reveals three-tiered pathological co-alterations in prolonged disorders of consciousness: structural disconnection, network disintegration, and regional hyperconnectivity.Frontiers in neurologyArticle
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5 authors.
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Abstract
Neuromodulation of subcortical network hubs by pharmacologic, electrical, or ultrasonic stimulation is a promising therapeutic strategy for patients with disorders of consciousness (DoC). However, optimal subcortical targets for therapeutic stimulation are not well established. Here, we leveraged 7 Tesla resting-state functional MRI (rs-fMRI) data from 168 healthy subjects from the Human Connectome Project to map the subcortical connectivity of six canonical cortical networks that modulate higher-order cognition and function: the default mode, executive control, salience, dorsal attention, visual, and somatomotor networks. Based on spatiotemporally overlapped networks generated by the Nadam-Accelerated SCAlable and Robust (NASCAR) tensor decomposition method, our goal was to identify subcortical hubs that are functionally connected to multiple cortical networks. We found that the ventral tegmental area (VTA) in the midbrain and the central lateral and parafascicular nuclei of the thalamus-regions that have historically been targeted by neuromodulatory therapies to restore consciousness-are subcortical hubs widely connected to multiple cortical networks. Further, we identified a subcortical hub in the pontomesencephalic tegmentum that overlapped with multiple reticular and extrareticular arousal nuclei and that encompassed a well-established "hot spot" for coma-causing brainstem lesions. Multiple hubs within the brainstem arousal nuclei and thalamic intralaminar nuclei were functionally connected to both the default mode and salience networks, emphasizing the importance of these cortical networks in integrative subcortico-cortical signaling. Additional subcortical connectivity hubs were observed within the caudate head, putamen, amygdala, hippocampus, and bed nucleus of the stria terminalis, regions classically associated with modulation of cognition, behavior, and sensorimotor function. Collectively, these results suggest that multiple subcortical hubs in the brainstem tegmentum, thalamus, basal ganglia, and medial temporal lobe modulate cortical function in the human brain. Our findings strengthen the evidence for targeting subcortical hubs in the VTA, thalamic intralaminar nuclei, and pontomesencephalic tegmentum to restore consciousness in patients with DoC. We release the subcortical connectivity maps to support ongoing efforts at therapeutic neuromodulation of consciousness.
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