The mousing with the left hand reminded me what I saw in the early sixties in grade school on the projector screen. Our eyes project an upside image on the retina. Thus, our brain flips the image. The experiment was to wear goggles that flip the image upside down
The man wore the goggles whenever his eyes were open. The man slept in a room that was totally blacked out. In about 30 days his brain flipped the image so he was seeing right side up. They showed him catching a ball and riding a motorcycle.
Then he took off the
goggles and had to endure the upside image for another 30 days. I learned more at Madison school than all the years before college. Most of my teachers had their Ph.D.'s. Doctor Cranston predicted the EU & how the Soviet Union would collapse.