This is a selection of papers presented at the meeting of the European Society for Stereotactic and Functional Neurosurgery in 1994 and it gives an update of the state-of-art of treatment of movement disorders, pain and stereotactic techniques. Frameless stereotaxy and the practical usage of a navigator viewing wand system are discussed. A novel approach to the localization of the motor cortex is represented by a description of the usage of 3D MR-imaging. Several papers deal with methods applied for intraoperative monitoring such as microrecording and evoked potentials, and the clinical...