Journal
ISCIENCE
Volume 25, Issue 7, Pages -Publisher
CELL PRESS
DOI: 10.1016/j.isci.2022.104673
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Funding
- National Natural Science Foundation of China [12132012, 11802229, 11972275, 11772242]
- Hong Kong Scholars Program [XJ2020007]
- Hong Kong Baptist University (HKBU) Research Committee Interdisciplinary Research Cluster Matching Scheme 2018/19 [IRCMS/18-19/SCI01]
- Natural Science Basic Research Program of Shaanxi [2022JQ-00 5]
- RGC
- HKBU
- University Grant Committee of Hong Kong
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The neural mechanisms and symptom correlations of ADHD may be shared between children and adults with ADHD. This study found that ADHD patients have a quadratic association in the whole-brain and most functional systems, while the limbic system shows a linear association with ADHD. The limbic system predicts hyperactivity better, while the salient attention system predicts inattention better.
Attention-deficit/hyperactivity disorder (ADHD) is increasingly being diagnosed in both children and adults, but the neural mechanisms that underlie its distinct symptoms and whether children and adults share the same mechanism remain poorly understood. Here, we used a nested-spectral partition approach to study resting-state brain networks of ADHD patients (n = 97) and healthy controls (HCs, n = 97) across the lifespan (7-50 years). Compared to the linear lifespan associations of brain segregation and integration with age in HCs, ADHD patients have a quadratic association in the whole-brain and in most functional systems, whereas the limbic system dominantly affected by ADHD has a linear association. Furthermore, the limbic system better predicts hyperactivity, and the salient attention system better predicts inattention. These predictions are shared in children and adults with ADHD. Our findings reveal a lifespan association of brain networks with ADHD and provide potential shared neural bases of distinct ADHD symptoms in children and adults.
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