1 These are synovial joints between the interior articular process of superior vertebrae and the superior articular process of inferior vertebrae. 2  These plane joints are known as zygapophyseal joints (facet joints) . 3  The flat surfaces of the articular facets are covered with hyaline cartilage.
Major depression was more common and severe in patients with vascular dementia than in patients with AD. In another study of 288 outpatients with dementia, a prevalence of 7.4% was found with HAM-D, 8% prevalence with the GDS and 6.3% with DSM-IV criteria (Brodaty and Luscombe, 1996).
Apathy early in the disease is more suggestive of vascular dementia because it usually occurs in the later stages of Alzheimer's dementia. Consequently, patients with vascular dementia tend to perform worse than their Alzheimer's disease counterparts in frontal lobe tasks, such as verbal fluency.