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Abstract #0608

Assessment of Age-Related Microstructural Changes in the Thalamus by Diffusional Kurtosis Imaging

Maria Fatima Falangola1,2, Caixia Hu1, Vitria Adisetiyo1, Ali Tabesh1, Wende R. Gelb1, Jens H. Jensen1, Joseph A. Helpern1,2

1Radiology, New York University Langone Medical Center, New York, NY, United States; 22Center for Advanced Brain Imaging, Nathan Kline Institute, Orangeburg, NY, United States

The thalamus is a major subcortical relay station that filters incoming primary sensory input and modulates processed cortical information through reciprocal cortico-thalamic connections. Therefore, it is a key region for fronto-temporal communication and is crucial for modulating emotion and cognition in humans. We applied Diffusional Kurtosis Imaging (DKI) to investigate the age-related non-Gaussian patterns of microstructure change in the thalamus. The data presented here suggest that non-Gaussian metrics, particularly MK and Kra are the most useful in detecting developmental changes in the thalamus.