Source	Search strategy	Hits retrieved
1. CENTRAL (the Cochrane Library) http://crso.cochrane.org/SearchSimple.php [Date of most recent search: 5 July 2018]	#1 MESH DESCRIPTOR Dementia EXPLODE ALL TREES #2 MESH DESCRIPTOR Neurocognitive Disorders EXPLODE ALL TREES #3 dement*:TI,AB,KY #4 alzheimer*:TI,AB,KY #5 ("chronic cerebrovascular"):TI,AB,KY #6 ("organic brain disease" or "organic brain syndrome"):TI,AB,KY #7 ("benign senescent forgetfulness"):TI,AB,KY #8 ("cerebr* deteriorat*"):TI,AB,KY 4 #9 ("cerebral* insufficient*"):TI,AB,KY 0 #10 ("pick* disease"):TI,AB,KY 9 #11 PDD:TI,AB,KY 175 #12 ("Parkinson* disease dementia"):TI,AB,KY #13 #1 OR #2 OR #3 OR #4 OR #5 OR #6 OR #7 OR #8 OR #9 OR #10 OR #11 OR #12 #14 MESH DESCRIPTOR Cognitive Therapy EXPLODE ALL TREES #15 MESH DESCRIPTOR Rehabilitation Nursing EXPLODE ALL TREES #16 MESH DESCRIPTOR Cognitive Remediation EXPLODE ALL TREES #17 ("cognit* rehab*"):TI,AB,KY #18 ("cognit* train*"):TI,AB,KY #19 ("cognit* stimul*"):TI,AB,KY #20 ("memory train*"):TI,AB,KY #21 ("memory support*" OR "memory aid*"):TI,AB,KY #22 ("memory therap*"):TI,AB,KY #23 ("memory group*"):TI,AB,KY #24 ("memory stimul*" OR "memory strateg*"):TI,AB,KY #25 ("cognitive intervention*"):TI,AB,KY #26 #14 OR #15 OR #16 OR #17 OR #18 OR #19 OR #20 OR #21 OR #22 OR #23 OR #24 OR #25 #27 #13 AND #26	Apr 2017: 695 Jul 2018: 403
2. MEDLINE In‐process and other non‐indexed citations and MEDLINE 1950‐present (Ovid SP) [Date of most recent search: 5 July 2018]	1 exp Dementia/ 2 Delirium, Dementia, Amnestic, Cognitive Disorders/ 3 dement*.mp. 4 alzheimer*.mp. 5 (lewy* adj2 bod*).mp. 6 (chronic adj2 cerebrovascular).mp. 7 ("organic brain disease" or "organic brain syndrome").mp. 8 (cerebr* adj2 deteriorat*).mp. 9 (cerebral* adj2 insufficient*).mp. 10 (pick* adj2 disease).mp. 11 PDD.mp. 12 "Parkinson* disease dementia".mp. 13 or/1‐12 14 *Cognitive Therapy/ 15 Rehabilitation Nursing/ 16 Cognitive Remediation/ 17 (cognit* adj2 stimulation).ti,ab. 18 (cognit* adj2 rehabilitation).ti,ab. 19 (cognit* adj2 training).ti,ab. 20 (cognit* adj2 retrain*).ti,ab. 21 "cognitive intervention*".ti,ab. 22 "Cognitive skills ADJ2 training".ti,ab. 23 "cognitive support".ti,ab. 24 "Cog* retrain*".ti,ab. 25 "memory function*".ti,ab. 26 (memory adj2 rehabilitation).ti,ab. 27 (memory adj2 therap*).ti,ab. 28 "memory aid*".ti,ab. 29 "memory group*".ti,ab. 30 "Memory rehabilitation".ti,ab. 31 "memory training".ti,ab. 32 "memory retraining".ti,ab. 33 "Memory rehabilitation".ti,ab. 34 "memory re‐training".ti,ab. 35 "memory support".ti,ab. 36 "memory stimulation".ti,ab. 37 "memory strateg*".ti,ab. 38 "memory management".ti,ab. 39 or/14‐38 40 randomized controlled trial.pt. 41 controlled clinical trial.pt. 42 randomized.ab. 43 placebo.ab. 44 randomly.ab. 45 trial.ab. 46 groups.ab. 47 or/40‐46 48 (animals not (humans and animals)).sh. 49 47 not 48 50 13 and 39 and 49	Apr 2017: 812 Jul 2018: 124
3. Embase 1974 to 2018 July 4 [Date of most recent search: 5 July 2018]	1 exp dementia/ 2 dement*.mp. 3 alzheimer*.mp. 4 (lewy* adj2 bod*).mp. 5 (chronic adj2 cerebrovascular).mp. 6 ("organic brain disease" or "organic brain syndrome").mp. 7 (cerebr* adj2 deteriorat*).mp. 8 (cerebral* adj2 insufficient*).mp. 9 CADASIL.mp. 10 PDD.mp. 11 "Parkinson* disease dementia".mp. 12 or/1‐11 13 *Cognitive Therapy/ 14 Rehabilitation Nursing/ 15 Cognitive Remediation/ 16 (cognit* adj2 stimulation).ti,ab. 17 (cognit* adj2 rehabilitation).ti,ab. 18 (cognit* adj2 training).ti,ab. 19 (cognit* adj2 retrain*).ti,ab. 20 "cognitive intervention*".ti,ab. 21 "cognitive support".ti,ab. 22 "memory function*".ti,ab. 23 (memory adj2 rehabilitation).ti,ab. 24 (memory adj2 therap*).ti,ab. 25 "memory aid*".ti,ab. 26 "memory aid*".ti,ab. 27 "memory group*".ti,ab. 28 "Memory rehabilitation".ti,ab. 29 "memory training".ti,ab. 30 "memory retraining".ti,ab. 31 "memory re‐training".ti,ab. 32 "memory support".ti,ab. 33 "memory stimulation".ti,ab. 34 "memory strateg*".ti,ab. 35 "memory management".ti,ab. 36 or/13‐25 37 randomly.ab. 38 placebo*.ti,ab. 39 "double‐blind*".ti,ab. 40 randomized controlled trial/ 41 trial.ti,ab. 42 or/37‐41 43 12 and 36 and 42	Apr 2017: 694 Jul 2018: 194
4. PSYCINFO (Ovid SP) [Date of most recent search: 5 July 2018]	1 exp Dementia/ 2 dement*.mp. 3 alzheimer*.mp. 4 (chronic adj2 cerebrovascular).mp. 5 ("organic brain disease" or "organic brain syndrome").mp. 6 (cerebr* adj2 deteriorat*).mp. 7 (cerebral* adj2 insufficient*).mp. 8 PDD.mp. 9 "Parkinson* disease dementia".mp. 10 or/1‐9 11 exp Cognitive Therapy/ 12 exp Cognitive Rehabilitation/ 13 (cognit* adj2 stimulation).ti,ab. 14 (cognit* adj2 rehabilitation).ti,ab. 15 (cognit* adj2 training).ti,ab. 16 (cognit* adj2 retrain*).ti,ab. 17 "cognitive intervention*".ti,ab. 18 "cognitive support".ti,ab. 19 "memory function*".ti,ab. 20 (memory adj2 rehabilitation).ti,ab. 21 (memory adj2 therap*).ti,ab. 22 "memory aid*".ti,ab. 23 "memory group*".ti,ab. 24 "Memory rehabilitation".ti,ab. 25 "memory training".ti,ab. 26 "memory retraining".ti,ab. 27 "memory re‐training".ti,ab. 28 "memory support".ti,ab. 29 "memory stimulation".ti,ab. 30 "memory strateg*".ti,ab. 31 "memory management".ti,ab. 32 or/11‐31 33 randomly.ab. 34 randomi?ed.ab. 35 placebo*.ti,ab. 36 trial.ti,ab. 37 RCT.ti,ab. 38 groups.ab. 39 or/33‐38 40 10 and 32 and 39	Apr 2017: 556 Jul 2018: 64
5. CINAHL (EBSCOhost) [Date of most recent search: 5 July 2018]	1 MH "Dementia+" 2 MH "Delirium") or (MH "Delirium, Dementia, Amnestic, Cognitive Disorders" 3 MH "Wernicke's Encephalopathy" 4 TX dement* 5 TX alzheimer* 6 TX alzheimer* 7 TX deliri* 8 TX chronic N2 cerebrovascular 9 TX "organic brain disease" or "organic brain syndrome" 10 TX "normal pressure hydrocephalus" and "shunt*" 11 TX "benign senescent forgetfulness" 12 TX cerebr* N2 deteriorat* 13 TX cerebral* N2 insufficient* 14 TX pick* N2 disease 15 TX creutzfeldt or jcd or cjd 16 TX huntington* 17 TX binswanger* 18 TX korsako* 19 TX PDD 20 TX "Parkinson* disease dementia" 21 (S1 OR S2 OR S3 OR S4 OR S5 OR S6 OR S7 OR S8 OR S9 OR S10 OR S11 OR S12 OR S13 OR S14 OR S15 OR S16 OR S17 OR S18 OR S19 OR S20) 22 MH "Rehabilitation, Cognitive" 23 (MH "Rehabilitation Nursing") 24 (MH "Cognitive Therapy") 25 TX (cognit* rehab*) 26 TX (cognit* train*) 27 TX (memory train*) 28 TX (memory support*) 29 TX (memory stimul*) 30 TX (cognitive intervention*) 31 (S22 OR S23 OR S24 OR S25 OR S26 OR S27 OR S28 OR S29 OR S30) 32 S21 AND S31 33 MH "Clinical Trials" 34 TX trial 35 TX "single‐blind*" 36 TX "double‐blind*" 37 TX "treatment as usual" 38 TX randomly 39 S33 OR S34 OR S35 OR S36 OR S37 OR S38 40 S32 AND S39	Apr 2017: 448 Jul 2018: 98
6. ISI Web of Science Core Collection – Web of Science (1945‐present) [Date of most recent search: 5 July 2018]	(dement* OR VCI OR "vascular cognitive impairment*" OR VaD OR alzheimer*) AND TOPIC: ("cognit* train*" OR "cognit* rehab*" OR "memory aid*" OR "memory train*" OR "memory support*" OR "memory stimul*") AND TOPIC: (randomly OR placebo OR trial OR RCT OR randomized OR randomised) Timespan: All years. Search language=Auto	Apr 2017: 510 Jul 2018: 125
7. LILACS (BIREME) [Date of most recent search: 5 July 2018]	memory [Words] and demenc$ OR dement$ OR alzheimer$ [Words] and randomly OR randomised OR randomized OR trial OR ensaio clínico [Words]	Apr 2017: 22 Jul 2018: 0
8. ClinicalTrials.gov (www.clinicaltrials.gov) [Date of most recent search: 5 July 2018]	Interventional Studies | dementia OR alzheimers OR AD OR alzheimer's OR alzheimer | "cognitive rehabilitation" OR "cognitive training"	Apr 2017: 50 Jul 2018: 12
9) ICTRP [Date of most recent search: 5 July 2018]	dementia OR alzheimers OR AD OR alzheimer's OR alzheimer AND "cognitive rehabilitation" OR "cognitive training"	Apr 2017: 76 Jul 2018: 27
TOTAL before de‐duplication		Apr 2017: 3863 Jul 2018: 1059 TOTAL: 4922