Rehabilitation research encompasses a broad field of disciplines and methodologies covering the full spectrum of basic to applied science. Important themes for rehabilitation research include prevention, improvement, restoration, and replacement of underdeveloped or deteriorating function. The use of the term “function” refers to the level of impairment, activity, and participation as defined by the World Health Organization. An anonymous reviewer of this editorial noted that rehabilitation researchers are practitioners and investigators of the “science of recovery.” Rehabilitation research operates within three domains of investigation: (1) physiological function (molecule, cell, tissue, and organs), (2) physical and mental function, and (3) social and community integration and design and delivery of rehabilitation services