The goal of this study is to generate the first high-resolution magnetic resonance elastography (MRE) protocol specifically for characterizing viscoelasticity of the hippocampal subfields (HCsf) and analyzing the effects of age on HCsf properties. We demonstrated that the protocol can sensitively and reliably differentiate between HCsf regions. We find that each HCsf decreases in stiffness and increases in damping ratio with age, and that HCsf exhibit differential relationships with age. This protocol shows promise for investigating the HCsf in health and disease.
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