Table 2.
The responses of PB when tested for color and form vision
| Color | Color response | Form | Form response |
|---|---|---|---|
| White/medium gray | White | Boat | Triangle/fork |
| Green on red | Green/white | Boat | A drawing, a square |
| Red and green | |||
| Dark Gray/white | White and black | Car | Cube |
| Blue on green | Purple/green | Car | A rhombus |
| White/yellow | |||
| White/medium gray | White | Chair | A square |
| Cyan on red | Red and light blue | Chair | Stripes; given a list including a chair, said “maybe a chair” |
| Light gray/medium gray | White | Cross | A hand tool |
| Green/magenta | Violet and green | Cross | Not a ball, a wheelbarrow |
| Black on white | Black and white | Key | A car/fork |
| Blue/yellow | Yellow on purple | Key | Motorbike |
| Mid gray/white | White and dark | House | Car |
| Red on cyan | Red and clear | House | Motorbike |
| Light gray/white | White | Tree | Tractor |
| Black on white | |||
| Magenta/green | Violet and green | Tree | Flower |