Spatial coefficient of variation

Bilateral posterior communicating artery absence increases spatial coefficient of variation in humans.

“higher global (p < 0.0001), temporal (p < 0.0001), and occipital lobe sCoV (p = 0.0003)”

Humansbrainn = 390

Posterior communicating artery variation is linked to compromised cerebral hemodynamics in middle-aged and older adults

Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism·12 Mar 2026

Posterior communicating artery absence increases spatial coefficient of variation in humans.

“higher global (p = 0.003), temporal (p = 0.001), and occipital lobe sCoV (p = 0.01)”

Humansbrainn = 390

Posterior communicating artery variation is linked to compromised cerebral hemodynamics in middle-aged and older adults

Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism·12 Mar 2026