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Interaction of the salience network, ventral attention network, dorsal attention network and default mode network in neonates and early development of the bottom-up attention system

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Abstract

The salience network (SN), ventral attention network (VAN), dorsal attention network (DAN) and default mode network (DMN) have shown significant interactions and overlapping functions in bottom-up and top-down mechanisms of attention. In the present study, we tested if the SN, VAN, DAN and DMN connectivity can infer the gestational age (GA) at birth in a study group of 88 healthy neonates, scanned at 40 weeks of post-menstrual age, and with GA at birth ranging from 28 to 40 weeks. We also ascertained whether the connectivity within each of the SN, VAN, DAN and DMN was able to infer the average functional connectivity of the others. The ability to infer GA at birth or another network's connectivity was evaluated using a multivariate data-driven framework. The VAN, DAN and the DMN inferred the GA at birth (p < 0.05). The SN, DMN and VAN were able to infer the average connectivity of the other networks (p < 0.05). Mediation analysis between VAN’s and DAN’s inference on GA at birth found reciprocal transmittance of change with GA at birth of VAN’s and DAN’s connectivity (p < 0.05). Our findings suggest that the VAN has a prominent role in bottom-up salience detection in early infancy and that the role of the VAN and the SN may overlap in the bottom-up control of attention.

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The data that support the findings of this study are available on request from the corresponding author (VO). The data are not publicly available due to privacy and consent reasons.

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The custom code is available on request from the corresponding author (VO).

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The authors received no financial support for the research, authorship, and publication of this article.

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Correspondence to Valeria Onofrj.

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All procedures performed in the study involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its amendments or comparable ethical standards.

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Informed consent for participation to the present study was obtained by the legal guardian of each one of the children enrolled in the study.

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Consent for publication was obtained by the legal guardian of each one of the children enrolled in the study.

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Onofrj, V., Chiarelli, A.M., Wise, R. et al. Interaction of the salience network, ventral attention network, dorsal attention network and default mode network in neonates and early development of the bottom-up attention system. Brain Struct Funct 227, 1843–1856 (2022). https://doi.org/10.1007/s00429-022-02477-y

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  • DOI: https://doi.org/10.1007/s00429-022-02477-y

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