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 ...

Expressive aphasia — which includes Broca’s aphasia — is when a person understands speech but has difficulty speaking fluently. Some people can say short phrases but leave out small words such as “the ...

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 ...

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 ...

Medical: loss or impairment of the power to use or comprehend words usually resulting from brain damage (as from a stroke, head injury, or infection) Aphasia, the cruel illness resulting from a stroke ...