Heartbeat-driven brain motion has historically remained limited to the domain of research. Such motion may provide a window into conditions that alter the brain pressure where direct, invasive measurements are difficult to justify. Amplified MRI (aMRI) is a recently developed method which amplifies subtle brain motion, providing high temporal resolution and high contrast ‘videos’ of brain motion patterns. In an ovine model of elevated intracranial pressure we show preliminary data that aMRI can be used to detect changes in brain motion associated with pressure, indicating potential to provide non-invasive insight into the mechanical changes in patients with altered intracranial pressure.
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