The brain pulsatility plays an important role in various cerebral pathology, such as brain tumor and traumatic brain injury. Two MRI methods have been recently developed for assessing brain biomechanical features using a ECG-gated cine sequence with different processing strategies. In this study, we evaluated and compared the two methods. Consistent findings were obtained using both methods that the majority of cardiac-induced brain pulsatile motion occurs in the brain stem and basal ganglia as well as in big arteries.
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