 His current research has been centered on envisioning, designing, building, and evaluating technological aids intended for individuals with Alzheimer's disease, mild cognitive impairment, amnesia, vision loss, and stroke, and the natural consequences of aging.Systems built include the development of online social gaming environments for seniors, online brain fitness environments, mobile phone software to help individuals with communication challenges to speak, e-book software to help people with visual or motor impairments to read, digital communicating picture frame technology to help connect individuals who are isolated and lonely to family and friends, and a thanatosensitive design of web portals to support individuals who are grieving.Dr.