#5.2.3a
the symptoms and possible causes of Alzheimer’s disease
To include histological changes in brain tissue, cognitive impairment and behavioural changes, and genetic and environmental causes.
#5.2.3b
(i) the effect of ageing on the nervous
To include hearing impairment, visual impairment (cataracts, glaucoma and macular degeneration) and memory loss and the analysis and interpretation of secondary data from hearing tests and sight tests.
(ii) practical investigations into the effect of ageing on reaction times and memory
PAG11