It concentrates on the ultrasonic and computer technology, provides waves of working ways for two-passage on the screen, and analyses and records the results of testing.

The undefined background also shows how Cecilia Beaux was influenced by the French Impressionists, who believed, like Beaux, in a personal rather than conventional approach to their subject matter.

The waves were then translated into messages like "anxious" or "relaxed" and shown on the cloth.