Assessment of the Reproducibility of BOLD signal-based Hemodynamic MRI

Mapping of temporal delay in rs-fMRI signal is potentially useful as a contrast agent-free hemodynamic imaging. Our test-retest reliability study revealed that time-lag, magnitude and maximum-Z maps all have higher consistency than a functional connectivity map. Particularly the striking day-to-day stability encourages use of this technique for longitudinal observation in patients.

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