Corrigendum: Patients with schizophrenia fail to up-regulate task-positive and down-regulate task-negative brain networks: an fMRI study using an ICA analysis approach - Nygård, Merethe; Eichele, Tom; Løberg, Else-Marie; Jørgensen, Hugo A.; Johnsen, Erik; Kroken, Rune A.; Berle, Jan Øystein; Hugdahl, Kenneth (Frontiers in Human Neuroscience, 2013)