Source	Search strategy	Hits retrieved
1. MEDLINE In‐process and other non‐indexed citations and MEDLINE 1950‐present (January 2013) (Ovid SP)	1. exp Dementia/ 2. Cognition Disorders/ 3. (alzheimer$ or dement$).ti,ab. 4. ((cognit$ or memory or cerebr$ or mental$) adj3 (declin$ or impair$ or los$ or deteriorat$ or degenerat$ or complain$ or disturb$ or disorder$)).ti,ab. 5. (forgetful$ or confused or confusion).ti,ab. 6. MCI.ti,ab. 7. ACMI.ti,ab. 8. ARCD.ti,ab. 9. SMC.ti,ab. 10. CIND.ti,ab. 11. BSF.ti,ab. 12. AAMI.ti,ab. 13. MD.ti,ab. 14. LCD.ti,ab. 15. QD.ti,ab. 16. AACD.ti,ab. 17. MNCD.ti,ab. 18. MCD.ti,ab. 19. ("N‐MCI" or "A‐MCI" or "M‐MCI").ti,ab. 20. or/1‐19 21. "Positron emission tomography".ti,ab. 22. *Positron‐Emission Tomography/ 23. PET.ti,ab. 24. "FDG‐PET".ti,ab. 25. ("PET‐FDG" or "18f‐fdg" or "fdg uptake").ti,ab. 26. fluodeoxyglucose*.ti,ab. 27. fluorodexyglucose*.ti,ab. 28. Fluorodeoxyglucose F18/ 29. or/21‐28 30. glucose metabolism.ti,ab. 31. hypometabolism.ti,ab. 32. cerebral metabolic rate.ti,ab. 33. metabolic activity.ti,ab. 34. hypoperfusion.ti,ab. 35. (CMRgl or rCMRGlu).ti,ab. 36. or/30‐35 37. 20 and 29 and 36 38. disease progression/ 39. (dement* or alzheimer* or AD or MCI).ti,ab. 40. exp *Dementia/ 41. 39 or 40 42. 41 and 38 43. 29 and 42 44. 37 or 43 45. exp Dementia/di 46. 36 and 45 47. 44 or 46	July 2012: 1480 January 2013: 120
2. EMBASE 1980‐2013 January week 2 (Ovid SP)	1. exp dementia/ 2. (alzheimer* or dement*).ti,ab. 3. ((cognit* or memory or cerebr* or mental*) adj3 (declin* or impair* or los* or deteriorat* or degenerat* or complain* or disturb* or disorder*)).ti,ab. 4. (forgetful* or confused or confusion).ti,ab. 5. MCI.ti,ab. 6. ACMI.ti,ab. 7. ARCD.ti,ab. 8. SMC.ti,ab. 9. CIND.ti,ab. 10. BSF.ti,ab. 11. AAMI.ti,ab. 12. LCD.ti,ab. 13. QD.ti,ab. 14. AACD.ti,ab. 15. MNCD.ti,ab. 16. MCD.ti,ab. 17. ("N‐MCI" or "A‐MCI" or "M‐MCI").ti,ab. 18. ("nMCI" or "aMCI" or "mMCI").ti,ab. 19. or/1‐18 20. "positron emission tomography".ti,ab. 21. *positron emission tomography/ 22. PET.ti,ab. 23. "FDG‐PET".ti,ab. 24. ("PET‐FDG" or "18f‐fdg" or "fdg uptake").ti,ab. 25. fluodeoxyglucose*.ti,ab. 26. fluorodexyglucose*.ti,ab. 27. fluorodeoxyglucose f 18/ 28. or/20‐27 29. glucose metabolism.ti,ab. 30. hypometabolism.ti,ab. 31. "cerebral metabolic rate*".ti,ab. 32. metabolic activity.ti,ab. 33. hypoperfusion.ti,ab. 34. (CMRgl or rCMRGlu).ti,ab. 35. or/29‐34 36. 19 and 28 and 35 37. disease course/ 38. (dement* or alzheimer* or AD or "cognit* impair*" or MCI).ti,ab. 39. exp dementia/ 40. 38 or 39 41. (diagnosis or sensitivity or specificity or "disease progression" or converted or conversion).ti,ab. 42. 37 or 41 43. 40 and 42 44. 28 and 43 45. 36 or 44	July 2012: 3181 January 2013: 567
3. PSYCINFO 1806‐January week 2 2013 (Ovid SP)	1. exp Dementia/ 2. (alzheimer* or dement*).ti,ab. 3. ((cognit* or memory or cerebr* or mental*) adj3 (declin* or impair* or los* or deteriorat* or degenerat* or complain* or disturb* or disorder*)).ti,ab. 4. (forgetful* or confused or confusion).ti,ab. 5. MCI.ti,ab. 6. ACMI.ti,ab. 7. ARCD.ti,ab. 8. SMC.ti,ab. 9. CIND.ti,ab. 10. BSF.ti,ab. 11. AAMI.ti,ab. 12. LCD.ti,ab. 13. QD.ti,ab. 14. AACD.ti,ab. 15. MNCD.ti,ab. 16. MCD.ti,ab. 17. ("N‐MCI" or "A‐MCI" or "M‐MCI").ti,ab. 18. ("nMCI" or "aMCI" or "mMCI").ti,ab. 19. or/1‐18 20. exp Positron Emission Tomography/ 21. "positron emission tomography".ti,ab. 22. PET.ti,ab. 23. "FDG‐PET".ti,ab. 24. ("PET‐FDG" or "18f‐fdg" or "fdg uptake").ti,ab. 25. fluodeoxyglucose*.ti,ab. 26. fluorodexyglucose*.ti,ab. 27. or/20‐26 28. "glucose metabolism".ti,ab. 29. hypometabolism.ti,ab. 30. "cerebral metabolic rate*".ti,ab. 31. metabolic activity.ti,ab. 32. hypoperfusion.ti,ab. 33. (CMRgl or rCMRGlu).ti,ab. 34. or/28‐33 35. 19 and 27 36. 34 and 35	July 2012: 479 January 2013: 59
4. Biosis previews 1926 to present (January 2013) (ISI Web of Knowledge)	Topic=(dementia OR cognition OR MCI OR alzheimer* OR AD OR lewy OR memory OR cognitive OR FTLD) AND Topic=("Positron emission tomography" OR PET OR "FDG‐PET" OR "PET‐FDG" OR "18f‐fdg" OR "fdg uptake" OR fluodeoxyglucose* OR fluorodexyglucose*) AND Topic=("glucose metabolism" OR hypometabolism OR "cerebral metabolic rate" OR "metabolic activity" OR hypoperfusion OR CMRgl OR rCMRGlu) Timespan=All Years. Databases=BIOSIS Previews. Lemmatization=On	July 2012: 1176 January 2013: 83
5. Web of Science and conference proceedings (1945‐present ‐ January 2013)	Topic=(dementia OR cognition OR MCI OR alzheimer* OR AD OR lewy OR memory OR cognitive OR FTLD) AND Topic=("Positron emission tomography" OR PET OR "FDG‐PET" OR "PET‐FDG" OR "18f‐fdg" OR "fdg uptake" OR fluodeoxyglucose* OR fluorodexyglucose*) AND Topic=("glucose metabolism" OR hypometabolism OR "cerebral metabolic rate" OR "metabolic activity" OR hypoperfusion OR CMRgl OR rCMRGlu) Timespan=All Years. Databases=BIOSIS Previews. Lemmatization=On	July 2012: 2082 January 2013: 150
6. LILACS (January 2013) (BIREME)	positron OR PET OR tomografía OR hypometabolism OR hypoperfusion OR CMRgl OR rCMRGlu [Words] and demências OR dementia OR dementias OR demência OR Alzheimer OR Alzheimers OR Alzheimer's OR cognitive OR cognitive OR cognitive OR cognition OR "déficit cognitive" OR cognición OR cognição OR Memória OR memory OR Memoria OR "frontotemporal lobar degeneration" OR "degeneração lobar frontotemporal" OR FTLD OR FTD OR "pick's disease" OR "primary progressive aphasia" [Words]	July 2012: 296 January 2013: 3
TOTAL before de‐duplication		July 2012: 8694 January 2013: 982
TOTAL after de‐dupe and first‐assess		July 2012: 149 January 2013: 248