Mature motor skills
| Sticker removal |
| 0 = no sticker removal was attempted |
| 1 = forelimb did not reach as high as the sticker |
| 2 = forelimb reached the sticker, but moved in a lateral plane, was unable to adduct actively and functionally toward the midline |
| 3 = forelimbs reached as high as the sticker; head was contracted, but no sticker contact occurred |
| 4 = sticker was contacted by the forelimb during the reaching attempt |
| 5 = sticker was removed after multiple attempts but without a strong grasp |
| 6 = sticker was tightly grasped and swiftly removed or pulled from the head |
| Target reaching |
| 1 = movement was completely compensated for by other body parts or was absent |
| 2 = aberrations of the normal movement were apparent, but the movement used the same limb, or components of the same movement |
| 3 = movement was normal |