Exact(3)
Using independent component analysis and functional connectivity analysis, we found that as compared with the sham feedback, the real feedback recruited stronger negative connectivity between the executive network (EN) and the posterior default mode network (pDMN).
We hypothesized that self-compassion would relate to greater negative connectivity between the ventromedial prefrontal cortex (VMPFC) and amygdala during a social feedback task.
Neuroimaging, electrophysiological, and neuropsychological studies 5 6 7 14 15 16 show functional interactions between large scale brain networks during mind wandering: a positive connectivity between areas of the executive and default networks and a negative connectivity between primary sensory cortices and the default network.
Similar(57)
FHP youth had less negative connectivity (or less segregation) between the NAcc and cognitive control regions of the frontal cortex, including bilateral inferior frontal gyri, than their peers.
Interestingly, we found a negative correlation between self-compassion and VMPFC-amygdala functional connectivity as predicted; however, this seemed to be due to low levels of self-compassion relating to greater positive connectivity in this circuit (rather than high levels of self-compassion relating to more negative connectivity).
Given discrepancies between children and adults reported in the typical patterns of positive and negative functional connectivity between the amygdala and the frontal lobe (Qin et al. 2012; Roy et al. 2009), more work is needed to determine how the integrity of fronto-limbic circuitry is related to risk for alcoholism.
Both positive and negative connections are connectivity in brain network.
Interestingly, the negative correlation and enhanced functional connectivity between the precuneus and the vMPFC were observed during the inference of the reasoning process associated with human agents but not with computers, providing further evidence for the unique neurocognitive strategies involved during coping with HI.
Our findings indicate that probabilistic reasoning may depend on the balance between the task-positive and task-negative network, and that shifts in connectivity between the two may be crucial for evidence gathering.
For the different network types analysed here, we confirmed a weak but significant negative correlation between connectivity and evolutionary rate dN, with the transcriptional regulation network again being the only exception (Table 1).
A negative correlation between connectivity and evolutionary rate was observed not only in protein-protein interaction networks [1],, but also in metabolic [5], co-expression [6], and genetic interaction networks [7]: genes with more interaction partners appear to evolve more slowly.
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