Highlights • Dendritic complexity and presynaptic density are reduced in the 4R-tauopathies of PSP and CBD.• The reduction in ODI and UCB-J binding is coupled across the cortical mantle as… Click to show full abstract
Highlights • Dendritic complexity and presynaptic density are reduced in the 4R-tauopathies of PSP and CBD.• The reduction in ODI and UCB-J binding is coupled across the cortical mantle as well as subcortically.• The relationship between ODI and UCB-J binding is not attributed to atrophy.• ODI may be a useful biomarker of synaptic pathology in neurodegenerative diseases.
               
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