<prompt> Dementia of Alzheimer;s type is not associated with one of the followingDepressive symptomsDelusionsApraxia and AphasiaCerebral infarcts  <response>: Dementia is a chronic organic mental disorder, characterized by the following main clinical features: 1. Impairment of intellectual functions, 2. Impairment of memory predominantly of recent memory, especially in early stages, 3. Deterioration of personality with lack of personal care. Reference: A sho textbook of Psychiatry by Niraj Ahuja, page no.22. 