Seed‐based test–retest reliability of resting state functional magnetic resonance imaging at 3T and 7T

Ajay K. Nemani,Mark J. Lowe

Published 2021 in Medical Physics (Lancaster)

ABSTRACT

Ultrahigh field (UHF) resting state functional magnetic resonance imaging (rsfMRI) has become increasingly available for clinical and basic research, bringing improvements in resolution and contrast over standard high field imaging. Despite these improvements, UHF connectivity studies present several challenges, including increased sensitivity to physiological confounds and a vastly increased data burden. We present a direct quantitative assessment of test–retest reliability of functional connectivity in several standard functional networks between subjects scanned at 3T and 7T.

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