definition a symbol is literary device that contains several layers of meaning often concealed at first sight and is representative of several other aspects concepts or traits than those that are visible in the literal translation aloneefinition a symbol is literary device that contains several layers of meaning often concealed at first sight and is representative of several other aspects concepts or traits than those that are visible in the literal translation alone
The exact cause of sundowners syndrome remains a mystery. While the episodes are most commonly found in dementia patients, the symptoms can also appear in those suffering from other conditions, such as degenerating eye conditions.
1 People with Down syndrome have a greatly increased risk of dementia â signs and symptoms may begin around age 50. 2  Those who have dementia also have a higher rate of seizures. 3  Having Down syndrome also increases the risk of developing Alzheimer's disease. 4  Sleep apnea.