Apathy, depression, irritability, agitation, and anxiety are the most frequently detected neuropsychiatric symptoms of AD.
[ncbi.nlm.nih.gov]
A 42-year-old woman presented with a 6-month history of diffuse headache of moderate intensity and gradual onset of generalized weakness, imbalance, apathy, memory decline
[ncbi.nlm.nih.gov]
BPSD include agitation, aberrant motor behavior, anxiety, elation, irritability, depression, apathy, disinhibition, delusions, hallucinations, and sleep or appetite changes
[ncbi.nlm.nih.gov]