The hands and mouth do not always slip together in British sign language: dissociating articulatory channels in the lexicon
Psychological Science (2010) - Comment
pubmed: 20644107  doi: 10.1177/0956797610377340  issn: 1467-9280  issn: 0956-7976 

David P. Vinson, Robin L. Thompson, Robert Skinner, Neil Fox, Gabriella Vigliocco