RT Journal Article T1 Protocols for cognitive enhancement. A user manual for Brain Health Services-part 5 of 6 A1 Brioschi Guevara, Andrea A1 Bieler, Melanie A1 Altomare, Daniele A1 Berthier, Marcelo A1 Csajka, Chantal A1 Dautricourt, Sophie A1 Démonet, Jean-François A1 Dodich, Alessandra A1 Frisoni, Giovanni B. A1 Miniussi, Carlo A1 Molinuevo, José Luis A1 Ribaldi, Federica A1 Scheltens, Philip A1 Chételat, Gael K1 Subjective cognitive decline K1 Cognitive enhancement K1 Cognitive intervention K1 Mindfulness meditation K1 Physical training K1 Non-invasive brain stimulation K1 Drugs K1 Brain health service K1 Disfunción cognitiva K1 Atención plena K1 Meditación K1 Acondicionamiento físico AB Cognitive complaints in the absence of objective cognitive impairment, observed in patients with subjective cognitive decline (SCD), are common in old age. The first step to postpone cognitive decline is to use techniques known to improve cognition, i.e., cognitive enhancement techniques.We aimed to provide clinical recommendations to improve cognitive performance in cognitively unimpaired individuals, by using cognitive, mental, or physical training (CMPT), non-invasive brain stimulations (NIBS), drugs, or nutrients. We made a systematic review of CMPT studies based on the GRADE method rating the strength of evidence.CMPT have clinically relevant effects on cognitive and non-cognitive outcomes. The quality of evidence supporting the improvement of outcomes following a CMPT was high for metamemory; moderate for executive functions, attention, global cognition, and generalization in daily life; and low for objective memory, subjective memory, motivation, mood, and quality of life, as well as a transfer to other cognitive functions. Regarding specific interventions, CMPT based on repeated practice (e.g., video games or mindfulness, but not physical training) improved attention and executive functions significantly, while CMPT based on strategic learning significantly improved objective memory.We found encouraging evidence supporting the potential effect of NIBS in improving memory performance, and reducing the perception of self-perceived memory decline in SCD. Yet, the high heterogeneity of stimulation protocols in the different studies prevent the issuing of clear-cut recommendations for implementation in a clinical setting. No conclusive argument was found to recommend any of the main pharmacological cognitive enhancement drugs ("smart drugs", acetylcholinesterase inhibitors, memantine, antidepressant) or herbal extracts (Panax ginseng, Gingko biloba, and Bacopa monnieri) in people without cognitive impairment.Altogether, this systematic review provides evidence for CMPT to improve cognition, encouraging results for NIBS although more studies are needed, while it does not support the use of drugs or nutrients. PB BioMed Central YR 2021 FD 2021-10-11 LK http://hdl.handle.net/10668/3748 UL http://hdl.handle.net/10668/3748 LA en NO Brioschi Guevara A, Bieler M, Altomare D, Berthier M, Csajka C, Dautricourt S, et al. Protocols for cognitive enhancement. A user manual for Brain Health Services-part 5 of 6. Alzheimers Res Ther. 2021 Oct 11;13(1):172 DS RISalud RD Apr 6, 2025