She watched in amazement as Mr. Koay, with what looked like a cream-coloured woman’s swim cap on his head, stared intently at the two digital monitors in front of him.  “It’s called an ‘electroencephalogram’ or ‘EEG’ cap,” he said over his shoulder. The two screens in front of them performed separate but related functions.  The one on the right displayed a variety of colour swatches, brushes, erasers, a digital pallet, and even charcoal crayons – which for Koay would be essential, she realized. The second screen, to the left, was like a canvas, which could be changed at any time to represent rice paper, cloth canvas, parchment, oil skin, even wood complete with grains. “So, Meadow Hartley, what shall we paint?” “We?”she said with…