High tCr and low glutamate+glutamine (Glx) metabolite levels in the left inferior frontal gyrus (IFG) correlate with greater PPA disease severity. Brain tCr levels varied among PPA subtypes; tCr ...
Primary Progressive Aphasia (PPA) comprises a group of neurodegenerative conditions in which language impairment arises insidiously and predominates over other cognitive deficits in early stages.