Frontal GABA Levels Change during Working Memory Michels, Lars ; Martin, Ernst ; Klaver, Peter ; Edden, Richard ; Zelaya, Fernando ; Lythgoe, David J. ; Lüchinger, Rafael ; Brandeis, Daniel ; O'Gorman, Ruth L. Abstract Publication: PLoS ONE Pub Date: April 2012 DOI: 10.1371/journal.pone.0031933 Bibcode: 2012PLoSO...731933M