MAPT and tauopathy: While loss of synaptic contacts and shifting of different neurotransmitter systems in transgenic animals (Katsuse et al., 2004, 2006; Kopeikina et al., 2013a) and in humans (Callahan et al., 1999; Ginsberg et al., 2000) with tauopathies have been observed and investigated, studying possible effects of tau on individual neurons’ electrophysiological properties gained less attention.