All are chlolinergic agents except
Galantamine
Donepezil
Tacrine
Memantine
Donepezil,rivastigmine,gallantamine and tacrine are cholinergic (due to inhibition of cholinesterase enzyme) drugs useful for alzheimer's disease. Memantine is an NMDA blocker,used for Alzheimer's disease. Ref-KDT 6/3 p472,473
Autonomic nervous system