Dysphagia diagnostics and Donner: experiences in the decade of change.

Martin Donner's influence in the area of dysphagia diagnostics has spanned several decades and has provided an impetus for the evolution of advanced dysphagia diagnostics. This article presents an historical perspective of the development of ultrasound imaging and the variety of other imaging procedures to evaluate swallowing. The future of image processing for dysphagia is firmly set.