The Bereitschaftspotential : movement-related cortical potentials / ed. by Marjan Jahanshahi and Mark HallettMovement disorders / volume editor, Mark HallettPrinciples and practice of movement disorders / Stanley Fahn, Joseph Jankovic ; with contrib. from Mark Hallett, Peter JennerBrain stimulation / volume editors Andres M. Lozano and Mark Hallett