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).
Cortical dementia refers to dementia in which brain damage primarily affects the brain's cortex, or outer layer. Cortical dementias tend to cause problems with memory, language, thinking, and social behavior. Subcortical Dementia. Subcortical dementia is dementia that affects parts of the brain below the cortex. This dementia type tends to cause changes in emotions and movement in addition to problems with memory.