title: Reply from Dario Farina, Francesco Negro and Ning Jiang.
authors.affiliation: dario.farina@bccn.uni-goettingen.de.
authors.forename: Dario
authors.initials: D
authors.lastname: Farina
authors.forename: Francesco
authors.initials: F
authors.lastname: Negro
authors.forename: Ning
authors.initials: N
authors.lastname: Jiang
mesh_terms: D000818:Animals; D004576:Electromyography / Q000379:methods*; D005260:Female; D006801:Humans; D008297:Male; D009046:Motor Neurons / Q000502:physiology*