Difficulty finding words or the habit of substituting them with others that are similar semantically – such as knife and cutter – or phonologically – such as knife and wife – are usually the first ...
Primary progressive aphasia (PPA) is a neurological condition that affects a person’s ability to communicate. PPA has three subtypes. Damage due to frontotemporal dementia or Alzheimer’s disease is ...
Variant syndromes of Alzheimer disease (AD), led by deficits that extend beyond memory dysfunction, are of considerable clinical and neurobiological importance. Such syndromes present major challenges ...