Differential tDCS and tACS Effects on Working Memory-Related Neural Activity and Resting-State Connectivity - Abellaneda-Pérez, Kilian (Institut d'Investigacions Biomèdiques August Pi i Sunyer) ; Vaqué-Alcázar, Lídia (Institut d'Investigacions Biomèdiques August Pi i Sunyer) ; Perellón-Alfonso, Ruben (Institut d'Investigacions Biomèdiques August Pi i Sunyer) ; Bargalló, Núria (Hospital Clínic i Provincial de Barcelona) ; Kuo, Min-Fang (Leibniz Research Centre for Working Environment and Human Factors) ; Pascual Leone, Álvaro (Institut Germans Trias i Pujol. Institut Guttmann) ; Nitsche, Michael A. (Department of Neurology, University Medical Hospital Bergmannsheil) ; Bartrés-Faz, David (Institut Germans Trias i Pujol. Institut Guttmann) ; Universitat Autònoma de Barcelona