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HIV brain scan
In one of the largest-ever neuroimaging studies of HIV, researchers analyzed brain scans from patients across five continents, finding a common pattern of reduced volume in the brain's limbic system. (Image/Talia M. Nir, Neda Jahanshad and James Stanis of the USC Mark and Mary Stevens Neuroimaging and Informatics Institute)

Multi-continental study examines brain scans of HIV-positive patients

By analyzing MRI data from patients around the globe, USC researchers are learning how HIV can lead to cognitive challenges, especially as the brain ages.