Description: The goal of the study was to assess the modulatory effects of BMI on brain dynamics and EF. A large sample of neuroimaging and neuropsychological assessment data collected from 253 adults (18-45 years; mean BMI 26.95 kg/m2 ± 5.90 SD) from the Nathan-Kline Institute (NKI) were included (http://fcon_1000.projects.nitrc.org/indi/enhanced/). Participants underwent resting-state functional MRI and the Delis Kaplan Executive Function System (D-KEFS) test battery (1). Time series were extracted from 400 brain nodes and used in a co-activation pattern analysis (CAP). K-means clustering was used to determine the dynamic co-activation patterns. Dynamic CAP metrics including dwell time (DT), frequency of occurrence, and transitions were computed.
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