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).
But repetition can be stressful for the caregiver. Remember that it is the disease causing the behavior, not the person. The main cause of behavioral symptoms in Alzheimer's and other progressive dementias is the deterioration of brain cells which causes a decline in the individual's ability to make sense of the world. In the case of repetition, the person may not remember that she or he has just asked a question or completed a task.