1. Mehta M, Adem A, Sabbagh M. New acetylcholinesterase inhibitors for Alzheimer's disease. Int J Alzheimers Dis. 2012;2012. doi: 10.1155/2012/728983.

2. Jo YS, Choi J-S. Memory retrieval in response to partial cues requires NMDA receptor-dependent neurotransmission in the medial prefrontal cortex. Neurobiol Learn Mem. 2014;109:20-6. [DOI:10.1016/j.nlm.2013.11.004]

3. Galimberti D, Scarpini E. Old and new acetylcholinesterase inhibitors for Alzheimer’s disease. Expert Opin Investig Drugs. 2016;25(10):1181-7. doi: 10.1080/13543784.2016.1216972.

4. Gorzynik-Debicka M, Przychodzen P, Cappello F, Kuban-Jankowska A, Marino Gammazza A, Knap N, et al. Potential health benefits of olive oil and plant polyphenols. Int J Mol Sci. 2018;19(3):686. doi: 10.3390/ijms19030686.

5. Barbaro B, Toietta G, Maggio R, Arciello M, Tarocchi M, Galli A, et al. Effects of the olive-derived polyphenol oleuropein on human health. Int J Mol Sci. 2014;15(10):18508-24. doi: 10.3390/ijms151018508.

6. Kovacsova M, Barta A, Parohova J, Vrankova S, Pechanova O. Neuroprotective mechanisms of natural polyphenolic compounds. Act Nerv Super Rediviva. 2010;52(3):181-6.

7. Zhao T, Ding K-m, Zhang L, Cheng X-m, Wang C-h, Wang Z-t. Acetylcholinesterase and butyrylcholinesterase inhibitory activities of β-carboline and quinoline alkaloids derivatives from the plants of genus Peganum. J Chem. 2013;2013(1-6). [DOI:10.1155/2013/717232.]

8. Kwon S-H, Lee H-K, Kim J-A, Hong S-I, Kim H-C, Jo T-H, et al. Neuroprotective effects of chlorogenic acid on scopolamine-induced amnesia via anti-acetylcholinesterase and anti-oxidative activities in mice. Eur J Pharmacol. 2010;649(1-3):210-7. doi: 10.1016/j.ejphar.2010.09.001.

9. Shibani F, Sahamsizadeh A, Fatemi I, Allahtavakoli M, Hasanshahi J, Rahmani M, et al. Effect of oleuropein on morphine-induced hippocampus neurotoxicity and memory impairments in rats. Naunyn Schmiedebergs Arch Pharmacol . 2019;392(11):1383-91. [DOI:10.1007/s00210-019-01678-3.]

10. Pourkhodadad S, Alirezaei M, Moghaddasi M, Ahmadvand H, Karami M, Delfan B, et al. Neuroprotective effects of oleuropein against cognitive dysfunction induced by colchicine in hippocampal CA1 area in rats. J Physiol Sci. 2016;66(5):397-405. doi: 10.1007/s12576-016-0437-4.

11. Rabiei Z, Rafieian-Kopaei M, Heidarian E, Saghaei E, Mokhtari S. Effects of Zizyphus jujube extract on memory and learning impairment induced by bilateral electric lesions of the nucleus Basalis of Meynert in rat. Neurochem Res. 2014;39(2):353-60.doi: 10.1007/s11064-013-1232-8.

12. Mahmoudi T, Lorigooini Z, Rafieian-Kopaei M, Arabi M, Rabiei Z, Bijad E, et al. Effect of Curcuma zedoaria hydro-alcoholic extract on learning, memory deficits and oxidative damage of brain tissue following seizures induced by pentylenetetrazole in rat. Behav Brain Funct. 2020;16(1):1-12. [DOI:10.1186/s12993-020-00169-3.]

13. Lee B, Shim I, Lee H, Hahm D-H. Effect of oleuropein on cognitive deficits and changes in hippocampal brain-derived neurotrophic factor and cytokine expression in a rat model of post-traumatic stress disorder. J Nat Med. 2018;72(1):44-56. . doi: 10.1007/s11418-017-1103-8.

14. Hosseini PS, Rafieirad M, Esmaeili S. The effect of oleuropein on working and passive avoidance memory in the pentylenetetrazole-induced seizure animal model. J Res Med Sci . 2019;6(1):41-8.

15. Sarbishegi M, Mehraein F, Soleimani M. Antioxidant role of oleuropein on midbrain and dopaminergic neurons of substantia nigra in aged rats. Iran Biomed J. 2014;18(1):16. doi: 10.1016/j.ejphar 2010.09.001

16. Alirezaei M, Dezfoulian O, Sookhtehzari A, Asadian P, Khoshdel Z. Antioxidant effects of oleuropein versus oxidative stress induced by ethanol in the rat intestine. Comp Clin Path. 2014;23(5):1359-65. doi: 10.1007/s00580-013-1791-8

17. Daccache A, Lion C, Sibille N, Gerard M, Slomianny C, Lippens G, et al. Oleuropein and derivatives from olives as Tau aggregation inhibitors. Neurochem Int. 2011;58(6):700-7. . doi: 10.1016/j.neuint.2011.02.010.

18. Çoban J, Öztezcan S, Doğru‐Abbasoğlu S, Bingül I, Yeşil‐Mizrak K, Uysal M. Olive leaf extract decreases age‐induced oxidative stress in major organs of aged rats. Geriatr Gerontol Int. 2014;14(4):996-1002. . [DOI:10.1111/ggi.12192.]

19. Diomede L, Rigacci S, Romeo M, Stefani M, Salmona M. Oleuropein aglycone protects transgenic C. elegans strains expressing Aβ42 by reducing plaque load and motor deficit. PLoS one. 2013;8(3):e58893. [DOI:10.1371/journal.pone.0058893.]

20. Asgharzade S, Rabiei Z, Rabiei S, Bijad E, Rafieian-Kopaei M. Therapeutic effects of oleuropein in improving seizure, oxidative stress and cognitive disorder in pentylenetetrazole kindling model of epilepsy in mice. Iran J Pharm Sci. 2020;19(1):98. (Persian). doi: 10.1007/s00210-019-01678-3