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. 2021 Aug 20:159:107914.
doi: 10.1016/j.neuropsychologia.2021.107914. Epub 2021 Jun 10.

Frontoparietal network and neuropsychological measures in typically developing children

Affiliations

Frontoparietal network and neuropsychological measures in typically developing children

Isabel Solis et al. Neuropsychologia. .

Abstract

Resting-state activity has been used to gain a broader understanding of typical and aberrant developmental changes. However, the developmental trajectory of resting-state activity in relation to cognitive performance has not been studied in detail. The present study assessed spectral characteristics of theta (5-8 Hz) and alpha (9-13 Hz) frequency bands during resting-state in a priori selected regions of the frontoparietal network (FPN). We also examined the relationship between resting-state activity and cognitive performance in typically developing children. We hypothesized that older children and children with high attentional scores would have higher parietal alpha activity and frontal theta activity while at rest compared to young children and those with lower attentional scores. MEG data were collected in 65 typically developing children, ages 9-14 years, as part of the Developmental Chronnecto-Genomics study. Resting-state data were collected during eyes open and eyes closed for 5 min. Participants completed the NIH Toolbox Flanker Inhibitory Control (FICA) and Attention Test and Dimensional Change Card Sort Test (DCCS) to assess top-down attentional control. Spectral power density was used to characterize the FPN. We found during eyes open and eyes closed, all participants had higher theta and alpha power in parietal regions relative to frontal regions. The group with high attentional scores had higher alpha power during resting-state eyes closed compared to those with low attentional scores. However, there were no significant differences between age groups, suggesting changes in the maturation of neural oscillations in theta and alpha are not evident among children in the 9-14-year age range.

Keywords: Frontoparietal network; Magnetoencephalography; Neurodevelopment; Resting-state.

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Figures

Figure 1.
Figure 1.
Mean spectral power in a) theta (5–8 Hz) and b) alpha (9–13 Hz) frequency bands, eyes open and c) theta and d) alpha frequency bands, eyes closed across younger and older children. Frontal regions had significantly lower power spectral density (PSD) compared to parietal regions in both frequency bands in both conditions. L = left; R = Right; rMF = rostral middle frontal; rACC = rostral anterior cingulate cortex; IP = inferior parietal; PC = precuneus.
Figure 2.
Figure 2.
Eyes closed, mean alpha (9–13 Hz) spectral power across the Flanker Inhibitory Control and Attention Test (FICA) attentional groups. A significant difference found in eyes closed resting-state, revealing greater alpha in higher attentional group compared to low attentional group. PSD = power spectral density; L = left; R = Right; rMF = rostral middle frontal; rACC = rostral anterior cingulate cortex; IP = inferior parietal; PC = precuneus.

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