In a famous experiment, Sperry showed one such subject two pictures. The subject saw a picture of a knife with his right eye and a picture of a spoon with his left eye . When asked to name what he saw, the subject said knife, because it is the left brain that deals with language and the naming of things. However, when asked to reach over with his left hand to a nearby table on which was placed both a knife and a spoon, and choose, without looking, the object he saw, the subject chose the spoon. This is because his left eye saw the spoon and his left hand chose this rather than the knife. The subject himself was not at all conscious of the fact that he was seeing and choosing two different objects.
Until recently, it was thought that there was a strict division of labour. Today, however, we are aware that, for example, while the left brain is responsible for most of the language functions, the right brain plays a role in some language functions like following a story and interpreting humour. Tasks such as face recognition require both halves in different ways. Unfamiliar faces are interpreted and processed by the right hemisphere while familiar faces are processed and recognized by the left. Similarly, non-musicians will interpret a melody with their right brain, but musicians will process music with their left.
Choose the correct letter, A, B, C or D.
Write your answer in box 1-7 on your answer sheet.
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