Speech and Nonverbal Thought
But Moses said to the Lord, "Oh, my Lord, I am not eloquent, either heretofore or since thou has spoken to thy servant; but I am slow of speech and of tongue." Then the Lord said to him, "Who has made man's mouth? Who makes him dumb or deaf, or seeing, or blind? Is it not I, the Lord? Now therefore go, and I will be your mouth and teach you what you shall speak." But he said, "Oh my Lord, send, I pray, some other person." Then the anger of the Lord was kindled against Moses and he said, "Is there not Aaron, your brother, the Levite? I know that he can speak well; and behold, he is coming out to meet you, and when he sees you he will be glad in his heart. And you shall speak to him and put the words in his mouth; and I will be with your mouth and with his mouth, and will teach you what you should do. He shall speak for you to the people."
Thoughtful writers on the nature of the brain have noted that its most obvious characteristic is that it is formed into two mirror-image parts. 1 They have wondered why something that seems to us so fundamentally unitary should be divided into two. How is it that the two constellations of functions assumed by these mirror parts are so different? Some have argued that the two halves of the brain are different because there are at least two dissimilar, antagonistic yet complementary modes of dealing with information about reality.
One of the earlier observations made as a result of split-brain research in the 1960s was that the left hemisphere seemed to "analyze" a stimulus,