Towards a synergy framework across neuroscience and robotics: Lessons learned and open questions. Reply to comments on: "Hand synergies: Integration of robotics and neuroscience for understanding the control of biological and artificial hands".

a School of Biological and Health Systems Engineering, Arizona State University, Tempe, AZ, USA b Research Center ‘E. Piaggio’, University of Pisa, Pisa, Italy c Advanced Robotics Department, Istituto Italiano di Tecnologia (IIT), Genova, Italy d Department of Civil and Industrial Engineering, University of Pisa, Pisa, Italy e Clinical Psychology Branch, Pisa University Hospital, Pisa, Italy f Department of Information Engineering and Mathematics, University of Siena, Siena, Italy g Department of Cognitive Neuroscience and CITEC, Bielefeld University, Bielefeld, Germany h Department of Systems Medicine and Centre of Space Bio-Medicine, Università di Roma “Tor Vergata”, 00173, Rome, Italy i Neural Basis of Sensorimotor Control, Department of Experimental Medical Science, Lund University, Lund, Sweden j Human Movement Sciences, Vrije Universiteit, Amsterdam, The Netherlands k School of Mechanical Engineering, National Technical University of Athens, Greece l DLR–German Aerospace Center, Institute of Robotics and Mechatronics, Oberpfaffenhofen, Germany