The psychologist Woodburn Heron wrote about this subject in his nineteen fifty-seven work The Pathology of Boredom. He said that the brain depends on having continuing information from the bodys senses.

VOA: special.2010.02.24

"Nearly every introductory text book, as well as people practicing in the field in speech pathology, for instance, teaches and believe that there is a separation of tasks and a division of labor between two very different parts of the brain, Broca's area and Wernicke's area , where Broca's area is responsible for producing,for speaking, and Wernicke's for comprehending,"

VOA: standard.2010.01.28