Although caregivers often feel that the fact of an<unk> 's diagnosis must be creating<unk>  in the affected person, there is little or no evidence that this is true. In fact, it is not clear how many people are capable of comprehending an<unk> 's diagnosis at the time it is made. The symptoms of dAD can arise at any point during the course of<unk> 's<unk> , often at a stage quite late in cognitive decline. Numerous neurological studies have found correlations between abnormalities in the brain and<unk>  in dementia. For dAD in particular, positron emission tomography (PET) studies have found alterations of metabolism in the right superior frontal gyrus
Depression of Alzheimer disease
Alcohol-related dementia
Alzheimer Disease and Associated Disorders
Vascular dementia
Early-onset Alzheimer's disease
Steroid dementia syndrome
Alzheimer's disease
Subcortical dementia