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 ...

Frontotemporal dementia (FTD) primarily impacts personality, behavior, and language, unlike Alzheimer’s, which starts with memory. The main clinical subtypes are behavioral variant (bvFTD) and primary ...

Aphasia occurs when a brain disorder affects a person’s language abilities, such as speaking, reading, and writing. The type of aphasia a person has depends on where damage occurs in the brain.

Aphasia and dysarthria both occur due to damage in the brain, but while aphasia causes difficulty in expressing and understanding speech, dysarthria causes difficulty controlling muscles necessary for ...