Prof McDermott has devised, developed, and evaluated numerous commercially successful innovations particularly for cochlear implants and hearing aids. Millions of adults and children with hearing impairment around the world benefit directly from his research through improved sound perception. These and other inventions are disclosed in a number of patents and patent applications. In recognition of this work, Prof McDermott in 2009 was the first winner of the Callier Prize in Communication Disorders, a biennial award from the University of Texas, USA. He is an author of over 100 peer-reviewed journal articles and book chapters, and about 200 further publications.