When Finding Words Becomes Difficult: Is There Activation of the Subdominant Hemisphere? - B. Dräger; Stefan Knecht (NeuroImage, 2002)

How does the brain accommodate to increased task difficulty in word finding?: A functional MRI study. - B. Dräger; Andreas Jansen; Sabine Bruchmann; Ann-Freya Förster; Burkhard Pleger; Pienie Zwitserlood; Stefan Knecht (NeuroImage, 2004)

Language lateralization in young children assessed by functional transcranial Doppler sonography. - Hubertus Lohmann; B. Dräger; S. Müller-Ehrenberg; Michael Deppe; Stefan Knecht (NeuroImage, 2005)