So if you wiggle a coffee cup in front of the camera, you're feeling that in your back, and amazingly, blind people got pretty good at being able to determine what was in front of the camera just by feeling it in the small of their back.
だからコーヒーカップを カメラの前で動かすと それを背中に感じるわけです 盲目の人たちは背中の 小さな部分の刺激から カメラの前にあるものを 驚くほど正確に 言い当てられるようになりました