Non-Auditory Tinnitus Linked to Lower Brain Blood Flow
A 2026 arterial spin labeling MRI study found that 34 patients with non-auditory tinnitus and cerebral venous congestion had lower corrected cerebral blood flow across multiple brain regions than venous-congestion patients without tinnitus and healthy controls.1 Compared with those 2 groups, the tinnitus group had poorer sleep quality, higher depression scores, and slightly lower cognitive …