Botulinum Toxin-A dose dependent perceptual loss on the hand after its cosmetic use on the face.

Sara Haenzi , Gabor Stefanics , Tatjana Lanaras , Maurizio Calcagni e and Arko Ghosh a,d,f,* a Institute of Neuroinformatics, University of Zurich and ETH Zurich, Switzerland b Translational Neuromodeling Unit, University of Zurich and ETH Zurich, Switzerland c Laboratory for Social and Neural Systems Research, University of Zurich and ETH Zurich, Switzerland d Neuroscience Center Zurich, University of Zurich and ETH Zurich, Switzerland e Division of Plastic and Reconstructive Surgery, University Hospital Zurich, Switzerland f Institute of Cognitive Neuroscience, University College London, United Kingdom