Boosting memory has already been accomplished in experimental laboratory work by stimulation of the medial temporal lobe, performed with depth electrodes during pre-surgical evaluation of epileptic patients. This was shown to enhance performance on certain types of memory tasks.17,18
Suppression of memory has also been achieved in the past 10 years. Researchers have been able to identify and label ensembles of hippocampal neurons that encode specific memories in the mouse brain, enabling them to then reactivate those ensembles to trigger memory recall, or inhibit them to prevent memory recall.19,20 Implantation of false memories is also under development. More targeted interventions seem likely to arise: closed-loop, miniaturised and AI-assisted technologies may make it possible to identify areas of the brain whose electrical stimulation augurs a boost in memory capacity.21 Or we may find areas to target for memory suppression, or even implantation.