Bell’s palsy is defined as an idiopathic unilateral facial nerve palsy. Sixty-seven patients and 37 age- and sex-matched healthy controls were recruited in this study. Brain fractional amplitude of low-frequency fluctuation (fALFF) and and following functional connectivity (FC) were analyzed between left and right palsy groups. The results revealed brain reintegrating mechanisms differed between patients with left and right Bell’s palsy.
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