AUTHOR=Silvoni Stefano , Volpato Chiara , Cavinato Marianna , Marchetti Mauro , Priftis Konstantinos , Merico Antonio , Tonin Paolo , Koutsikos Konstantinos , Beverina Fabrizio , Piccione Francesco TITLE=P300-based brain-computer interface communication: evaluation and follow-up in amyotrophic lateral sclerosis JOURNAL=Frontiers in Neuroscience VOLUME=3 YEAR=2009 URL=https://www.frontiersin.org/journals/neuroscience/articles/10.3389/neuro.20.001.2009 DOI=10.3389/neuro.20.001.2009 ISSN=1662-453X