The development of magnetic resonance imaging (MRI) will deep- ly change the relationship between neuroanatomy and the neuro- logical sciences, particularly neuroradiology. Presentation of nor- mal or abnormal brain structures is sometimes more precise in MRI sections than in brain or spinal-cord sections under macro- scopic examination. It is our conviction that a better exchange be- tween neuroanatomy and neuroradiology will improve knowledge of the brain. This international meeting held in Marseille, 26-27 September 1986 (under the Presidency of G. Lazorthes and G. Di Chiro in...