Adult polyglucosan body disease body disease do not have identified mutations in the "GBE1" gene. In these individuals, the cause of the disease is unknown. Along with evaluation of the symptoms and a neurological examination, a diagnosis can be made based on genetic testing. Whether or not a person is making sufficient amounts of functional glycogen branching enzyme can be determined by taking a skin biopsy and testing for activity of the enzyme. Examination of tissue biopsied from the sural nerve under a microscope can reveal the presence of polyglucosan bodies. There will also be white matter changes visible in a magnetic resonance imaging
Don Ritter (artist) Don Ritter (artist) Don Ritter (1959) is a Canadian artist known for his interactive electronic installation works. Don Ritter was born in 1959 in Camrose, Alberta. He is a professor in the School of Creative Media at the City University of Hong Kong. Ritter studied electronics engineering at The Northern Alberta Institute of Technology, fine arts and psychology at the University of Waterloo, and visual studies at MIT's Center for Advanced Visual Studies and the MIT Media Lab. Ritter's work brings together computers, sensors, and the human body to create interactive experiences for audiences. Ritter has said that "the experience