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  The subcortical and neurochemical organization of the ventral and dorsal attention networks

Alves, P. N., Forkel, S. J., Corbetta, M., & Thiebaut de Schotten, M. (2022). The subcortical and neurochemical organization of the ventral and dorsal attention networks. Communications Biology, 5: 1343. doi:10.1038/s42003-022-04281-0.

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 Creators:
Alves, Pedro Nascimento, Author
Forkel, Stephanie J.1, Author           
Corbetta, Maurizio, Author
Thiebaut de Schotten, Michel, Author
Affiliations:
1Radboud University Nijmegen, External Organizations, ou_3055479              

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 Abstract: Attention is a core cognitive function that filters and selects behaviourally relevant information in the environment. The cortical mapping of attentional systems identified two segregated networks that mediate stimulus-driven and goal-driven processes, the Ventral and the Dorsal Attention Networks (VAN, DAN). Deep brain electrophysiological recordings, behavioral data from phylogenetic distant species, and observations from human brain pathologies challenge purely corticocentric models. Here, we used advanced methods of functional alignment applied to resting-state functional connectivity analyses to map the subcortical architecture of the Ventral and Dorsal Attention Networks. Our investigations revealed the involvement of the pulvinar, the superior colliculi, the head of caudate nuclei, and a cluster of brainstem nuclei relevant to both networks. These nuclei are densely connected structural network hubs, as revealed by diffusion-weighted imaging tractography. Their projections establish interrelations with the acetylcholine nicotinic receptor as well as dopamine and serotonin transporters, as demonstrated in a spatial correlation analysis with a normative atlas of neurotransmitter systems. This convergence of functional, structural, and neurochemical evidence provides a comprehensive framework to understand the neural basis of attention across different species and brain diseases.

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Language(s): eng - English
 Dates: 2022-12-072022
 Publication Status: Issued
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1038/s42003-022-04281-0
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Title: Communications Biology
Source Genre: Journal
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Pages: - Volume / Issue: 5 Sequence Number: 1343 Start / End Page: - Identifier: ISSN: 2399-3642