It binds to the5-HT6 serotonin receptor with 10x less affinity.[3] At relevant doses, inhibition of 5-HT6 would be expected to render pro-cognitive and anti-dementia effects.[4][5]
^Bonaventure P, Dugovic C, Kramer M, De Boer P, Singh J, Wilson S, et al. (August 2012). "Translational evaluation of JNJ-18038683, a 5-hydroxytryptamine type 7 receptor antagonist, on rapid eye movement sleep and in major depressive disorder".The Journal of Pharmacology and Experimental Therapeutics.342 (2):429–440.doi:10.1124/jpet.112.193995.PMID22570363.S2CID10418102.