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Decoupling of the brain's default mode network during deep sleep
The recent discovery of a circuit of brain regions that is highly active in the absence of overt behavior has led to a quest for revealing the possible function of this so-called default-mode networkExpand
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High-field MRI of brain cortical substructure based on signal phase
The ability to detect brain anatomy and pathophysiology with MRI is limited by the contrast-to-noise ratio (CNR), which depends on the contrast mechanism used and the spatial resolution. In thisExpand
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The role of iron in brain ageing and neurodegenerative disorders
SUMMARY In the CNS, iron in several proteins is involved in many important processes such as oxygen transportation, oxidative phosphorylation, myelin production, and the synthesis and metabolism ofExpand
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Dynamic functional connectivity: Promise, issues, and interpretations
TLDR
The brain must dynamically integrate, coordinate, and respond to internal and external stimuli across multiple time scales. Expand
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Neural basis of global resting-state fMRI activity
Functional MRI (fMRI) has uncovered widespread hemodynamic fluctuations in the brain during rest. Recent electroencephalographic work in humans and microelectrode recordings in anesthetized monkeysExpand
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Unraveling multisensory integration: patchy organization within human STS multisensory cortex
Although early sensory cortex is organized along dimensions encoded by receptor organs, little is known about the organization of higher areas in which different modalities are integrated. WeExpand
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Low-frequency fluctuations in the cardiac rate as a source of variance in the resting-state fMRI BOLD signal
TLDR
Time-shifted cardiac rate timecourses were included as regressors in addition to established physiological regressors (RETROICOR) in resting-state fMRI. Expand
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Magnetic susceptibility mapping of brain tissue in vivo using MRI phase data
Phase images in susceptibility‐weighted MRI of brain provide excellent contrast. However, the phase is affected by tissue geometry and orientation relative to the main magnetic field (B0), and phaseExpand
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Low frequency BOLD fluctuations during resting wakefulness and light sleep: A simultaneous EEG‐fMRI study
Recent blood oxygenation level dependent functional MRI (BOLD fMRI) studies of the human brain have shown that in the absence of external stimuli, activity persists in the form of distinct patternsExpand
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Layer-specific variation of iron content in cerebral cortex as a source of MRI contrast
  • M. Fukunaga, T. Li, +11 authors J. Duyn
  • Biology, Medicine
  • Proceedings of the National Academy of Sciences
  • 23 February 2010
Recent advances in high-field MRI have dramatically improved the visualization of human brain anatomy in vivo. Most notably, in cortical gray matter, strong contrast variations have been observedExpand
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