Marc Amsler Marc Amsler Marc Amsler (born February 5, 1891 in Vevey, Switzerland – died May 3, 1968) was a professor of ophthalmology in the Eye Clinic at the University of Zurich. He took the position as professor of ophthalmology in Zurich in 1944. His predecessor was Prof. Alfred Vogt. Prior to assuming the position at Zurich, Dr. Amsler was chief ophthalmologist in Lausanne, since 1935. His predecessor there, under whom he worked beforehand, was Jules Gonin. During his time in Lausanne, Amsler was instrumental in creating the Jules Gonin Medal which is awarded every four years and is considered the highest
Body part as an object 1963 article, and the results replicated by Overton & Jackson. Their findings suggest younger children were more likely to use BPO pantomimes to create a tangible representation of the object they were pantomiming. Boyatzis & Watson suggests that the decrease in BPO pantomime usage with age is a result of developing symbolic maturity, as older children can use a less concrete representational form. Body part as object errors are defined as the use of BPO pantomimes in place of the IO pantomimes dominant in typical adult individuals. It has been debated whether the existence of BPO errors can be used