Differential structure-function network coupling in the inattentive and combined types of attention deficit hyperactivity disorder
- Authors
- Lee, Dongha; Quattrocki Knight, Elizabeth; Song, Hyunjoo; Lee, Saebyul; Pae, Chongwon; Yoo, Sol; Park, Hae-Jeong
- Issue Date
- Dec-2021
- Publisher
- Public Library of Science
- Citation
- PLOS ONE, v.16, no.12 December
- Journal Title
- PLOS ONE
- Volume
- 16
- Number
- 12 December
- URI
- http://scholarworks.bwise.kr/kbri/handle/2023.sw.kbri/267
- DOI
- 10.1371/journal.pone.0260295
- ISSN
- 1932-6203
- Abstract
- The heterogeneous presentation of inattentive and hyperactive-impulsive core symptoms in attention deficit hyperactivity disorder (ADHD) warrants further investigation into brain network connectivity as a basis for subtype divisions in this prevalent disorder. With diffusion and resting-state functional magnetic resonance imaging data from the Healthy Brain Network database, we analyzed both structural and functional network efficiency and structurefunctional network (SC-FC) coupling at the default mode (DMN), executive control (ECN), and salience (SAN) intrinsic networks in 201 children diagnosed with the inattentive subtype (ADHD-I), the combined subtype (ADHD-C), and typically developing children (TDC) to characterize ADHD symptoms relative to TDC and to test differences between ADHD subtypes. Relative to TDC, children with ADHD had lower structural connectivity and network efficiency in the DMN, without significant group differences in functional networks. Children with ADHD-C had higher SC-FC coupling, a finding consistent with diminished cognitive flexibility, for all subnetworks compared to TDC. The ADHD-C group also demonstrated increased SC-FC coupling in the DMN compared to the ADHD-I group. The correlation between SC-FC coupling and hyperactivity scores was negative in the ADHD-I, but not in the ADHD-C group. The current study suggests that ADHD-C and ADHD-I may differ with respect to their underlying neuronal connectivity and that the added dimensionality of hyperactivity may not explain this distinction.
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