“…Parenthetically, it may be mentioned that investigations of stuttering have been reviewed by Travis (177), Solomon (164), Johnson et al, (96), Hahn (69) and more recently by Hill (78). Weisenburg and McBride (187) offer both a review of the literature and experimental investigations of aphasia, and Montagu (127) and Whitaker (191) have summarized work in the field of lip reading.…”