• In a prospective magnetic resonance imaging and cognitive study of 38 demented patients
and 15 control subjects, 11 of 27 patients with Alzheimer's disease and 8 of 11 patients with
vascular dementia had significant periventricular hyperintensities. Memory and language
testing in the early investigation of dementia is useful to distinguish patients with or without
periventricular hyperintensities on magnetic resonance imaging. Patients without
periventricular hyperintensities are worse on memory and conceptualization tests than …