| 1. "alzheimer disease"/ 2. "creutzfeldt jakob syndrome"/ 3. exp Dementia/ 4. "dementia vascular"/ 5. "kluver bucy syndrome"/ 6. "lewy body disease"/ 7. "pick disease of the brain"/ 8. "huntington disease"/ 9. "delirium"/ 10. "wernicke encephalopathy"/ 11. 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9 or 10 12. dement*.mp. 13. alzheimer*.mp. 14. (lewy* and bod*).mp. [mp=title, original title, abstract, name of substance word, subject heading word] 15. deliri*.mp. [mp=title, original title, abstract, name of substance word, subject heading word] 16. ((cognit* or memory* or mental*) and (declin* or impair* or los* or deteriorat*)).mp. [mp=title, original title, abstract, name of substance word, subject heading word] 17. (chronic and cerebrovascular).mp. [mp=title, original title, abstract, name of substance word, subject heading word] 18. ("organic brain syndrome" or "organic brain disease").mp. [mp=title, original title, abstract, name of substance word, subject heading word] 19. "supra nuclear palsy".mp. 20. ("normal pressure hydrocephalus" and shunt*).mp. [mp=title, original title, abstract, name of substance word, subject heading word] 21. "benign senescent forgetfulness".mp. 22. (cerebr* and deteriorat*).mp. [mp=title, original title, abstract, name of substance word, subject heading word] 23. (cerebr* and insufficien*).mp. [mp=title, original title, abstract, name of substance word, subject heading word] 24. (confusion* or confused).mp. [mp=title, original title, abstract, name of substance word, subject heading word] 25. (Pick* and disease).mp. 26. (creutzfeldt or JCD or CJD).mp. 27. Huntington*.mp. 28. Binswanger*.mp. 29. korsako*.mp. 30. "korsakoff syndrome"/ 31. (Wernicke* and (syndrome or encephalopathy)).mp. 32. 12 or 13 or 14 or 15 or 16 or 17 or 18 or 19 or 20 or 21 or 22 or 23 or 24 or 25 or 26 or 27 or 28 or 29 or 30 or 31 33. 11 or 32 34. huperzin*.mp. [mp=title, original title, abstract, name of substance word, subject heading word] 35. ayapin.mp. [mp=title, original title, abstract, name of substance word, subject heading word] 36. scoparon*.mp. [mp=title, original title, abstract, name of substance word, subject heading word] 37. drugs, Chinese Herbal/ 38. exp Medicine, Oriental Traditional/ 39. Plants, Medicinal/ 40. 34 or 35 or 36 or 37 or 38 or 39 41. randomized controlled trial.pt. 42. controlled clinical trial.pt. 43. randomized.ab. 44. placebo.ab. 45. drug therapy.fs. 46. randomly.ab. 47. trial.ab. 48. groups.ab. 49. 41 or 42 or 43 or 44 or 45 or 46 or 47 or 48 50. humans.sh. 51. 49 and 50 52. 33 and 40 53. 51 and 52 | 
