Our thanks go to our colleagues at the VU Univer- Preface to the Third Edition sity Medical Center and to those in other hospitals Reading through the prefaces of the two previous edi- who referred their patients to us. We are indebted to tions, we can say that much of what was said there still all colleagues who allowed us to use their MR images, holds. At the same time, however, much has changed. published or unpublished, making it possible for us to There has been immense progress in the technical present illustrations of nearly all known white matter possibilities of magnetic resonance...