Speechlessness, however, affirmed in the diagnosis, is carefully based on the facts of the examination, as we see by rendering the statements concerned, just as they stand in examination and diagnosis: "If thou examinest a man having a wound in the temple, ...; if thou ask of him concerning his malady and he speak not to thee; ...; thou shouldst say concerning him, 'One having a wound in his temple, ... (and) he is speechless'.

The attention given to the side of the head which has received the injury, in connection with a specific reference to the side of the body nervously affected, is in itself evidence that in this case the ancient surgeon was already beginning observations on the localization of functions in the brain.