<prompt> Lesion is Alzheimers disease are commonest atAniygdalaNucleus of MeynesPineal glandPrefrontal sulcus  <response>: Nucleus basalis of Meyne for Alzheimers disease and Parkinsons disease dementia. The nucleus basalis of Meyne NBM is a large source of cholinergic innervation to widespread coical areas. There have been two repos of DBS of the NBM for either AD or PD. Ref Harrison20th edition pg 2456 