| 1 | To learn how to rotate an object mentally, firsttry a pantomime. | |
| 2 | The contrast refers to the thickness difference between vertical and horizontal strokes. | |
| 3 | He was a man of many words and many graphic gestures. | |
| 4 | "Even in sleep, I was further informed, the old lady might sketch fragmentary signs on the counterpane," Sacks writes. | |
| 5 | I tried making my hand into a zero -- but that was really meaningless. |