Located in substantia innominata of basal forebrain. Contains large cholinergic neurons rich in acetylcholine. Connects with neocortex and other brain structures. Named after Theodor Meynert
PCA is a rare dementia affecting visual processing, first described by Benson in 1988. Usually starts in mid-fifties or early sixties, unlike typical Alzheimer's. Can be caused by Lewy body disease and Creutzfeldt-Jakob disease
Dementia affects over 35 million people worldwide. MCI can progress to dementia or remain stable. MMSE is widely used screening tool for cognitive impairment
Dementia affects cognitive functions and daily life, affecting about one-third of people over 85. Dr. Barry Reisberg created Global Deterioration Scale in 1982 with seven stages. Stages 1-3 are pre-dementia, stages 4-7 are dementia stages
Dementia is a neurological condition affecting brain function over time. About one-third of people over 85 may have dementia. Not a normal part of aging, can occur in midlife
Dementia affects memory, thinking and social abilities. Memory loss is often early symptom but doesn't indicate dementia. Common symptoms include cognitive changes and psychological disturbances