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wilson interval - TitleWords in its title
title:mandelbrot - SummaryWords in its Summary, the paper’s abstract
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- Its most important claim’s importance being rated, 0 of 4 ratings in
Spatiotemporal accounts of depression predict that the default mode network (DMN) integrates over the longest intrinsic timescales, longer than control and salience networks, and that depression lengthens DMN timescales, prolongs DMN-dominant states, narrows transitions between network states and tracks brooding rumination. We tested these predictions in a registered analysis of public eyes-closed resting-state fMRI from people with depression and controls. Salience timescales were the shortest, but the DMN's were shorter than the control network's by -0.0416 s (CI -0.07 to -0.0125), opposite to the predicted order. Depression did not change DMN timescales (AUC 0.4015, CI 0.2708 to 0.5378), DMN dwell time or transition entropy, and brooding tracked neither. These data do not support the tested predictions.
- Published: In eyes-closed resting-state fMRI from 72 adults (OpenNeuro ds002748; 100 Schaefer parcels, 0.01-0.1 Hz band-pass, TR 2.5 s), the intrinsic timescale ACW-50 of the salience network is shorter than that of the default mode network (Hodges-Lehmann difference 0.0391 s, 95% CI 0.0057 to 0.0731) and of the control network (0.0751 s, 0.0397 to 0.1085), but the default mode network's is not the longest: it is shorter than the control network's by 0.0416 s (95% CI 0.0125 to 0.07).
- Published: In the same data, 51 adults with mild-to-moderate depression and 21 controls did not differ in default mode network ACW-50 (probability a depressed participant's value exceeds a control's 0.4015, 95% CI 0.2708 to 0.5378), in mean dwell time of default-mode-dominant states (0.5131, 0.3679 to 0.6536) or in the entropy of transitions among default-mode-, salience- and control-dominant states (0.549, 0.3987 to 0.6975); the design had 80% power only for differences near an AUC of 0.70.
- Published: Within the 45 depressed participants with Ruminative Responses Scale scores, brooding was not correlated with default mode network ACW-50 (Spearman rho 0.1065, 95% CI -0.1848 to 0.3812) or with default-mode-dominant dwell time (rho -0.2063, -0.4732 to 0.0887).