Carvalho, MamedeSwash, Michael2021-07-232021-07-232020Clin Neurophysiol. 2020 Jan;131(1):239-2401388-2457http://hdl.handle.net/10451/49093© 2019 International Federation of Clinical Neurophysiology. Published by Elsevier B.V. All rights reserved.Fasciculation is a characteristic, but still mysterious, early marker and ongoing feature of amyotrophic lateral sclerosis (ALS). It consists of the apparently spontaneous activation of single motor units, involving all or part of their distal axonal branches.engjournal article10.1016/j.clinph.2019.10.0131872-8952