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Article Abstract
The Hurst exponent () isolated in fractal analyses of neuroimaging time series is implicated broadly in cognition. Within this literature, is associated with multiple mental disorders, suggesting that is transdimensionally associated with psychopathology. Here, we unify these results and demonstrate a pattern of decreased with increased general psychopathology and attention-deficit/hyperactivity factor scores during a working memory task in 1,839 children. This pattern predicts current and future cognitive performance in children and some psychopathology in 703 adults. This pattern also defines psychological and functional axes associating psychopathology with an imbalance in resource allocation between fronto-parietal and sensorimotor regions, driven by reduced resource allocation to fronto-parietal regions. This suggests the hypothesis that impaired working memory function in psychopathology follows from a reduced cognitive resource pool and a reduction in resources allocated to the task at hand.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10473262 | PMC |
| http://dx.doi.org/10.1162/netn_a_00322 | DOI Listing |
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