Part 1 of Essay
In a darkened room at Toronto's Hospital for Sick Children, a baby, its head dotted with electrodes, sits in its mother's lap and watches flashing black and white checkerboards and stripes on a television screen. Soon after the test, doctors will know if the child can see and how well it can see. The testing procedure, w ....

Part 2 of Essay
.... developed a way of looking at brain waves that is more sensitive than methods previously available, " says Skarf. At the HSC, VEP's are used in a number of clinical applications: to determine whether a visual problem is cognitive; to assess whether babies who don't appear to see well will see better in the future; to determine a course of treatment for such problems in which one eye turns in or is weaker than the other eye. The second aspect of the researchers' work involves the development of a stimulator for ....