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Default Mode Network Stability

Meaning

The consistency and coherence of intrinsic brain activity patterns associated with self-referential thought, internal mentation, and introspection, often quantified via functional magnetic resonance imaging ($text{fMRI}$) connectivity analysis. In the context of hormonal health, stability of the Default Mode Network ($text{DMN}$) is significantly influenced by fluctuating levels of sex steroids and thyroid hormones that act as neuro-regulators. A stable $text{DMN}$ correlates with better emotional regulation and focused internal processing, whereas instability often links to cognitive fragmentation.