Abstract Background Serotonin 2A receptor (5-HT2AR) agonists play a crucial role in multiple cognitive processes, namely executive functions, learning and memory. Owing partly to this, psychedelics such as lysergic acid diethylamide (LSD), psilocybin, dimethyltryptamine (DMT), mescaline and ayahuasca might be valuable adjuvants in improving memory deficits and language impairment. Thanks to...