Noradrenergic Regulation of Cognitive Flexibility: No Effects of Stress, Transcutaneous Vagus Nerve Stimulation, and Atomoxetine on Task-switching in Humans. - Tona, Klodiana-Daphne; Revers, Hans; Verkuil, Bart; Nieuwenhuis, Sander (J. Cogn. Neurosci., 2020)