Alexandra Baer defended here Phd thesis on “Perception-Guided Evaluation of 3D Medical Visualizations” successfully. Alexandra conducted a series of controlled perceptual studies related to emphasis techniques in medical visualization, depth perception with stereo and autostereoscopic devices and related to visualizations of vascular structures and internal flow. The thesis was reviewed by Timo Ropinski (Ulm University) and Douglas Cunningham (BTU Cottbus) and was graded with a Magna Cum Laude from all three reviewers.