Figure 5.

An example of a point-touch gesture by an ape and a human. Point-touch is a point wherein the participant ends the point by touching the referent without moving her finger along it or manipulating it. Left: ape example – Sue, the caregiver, and Panpanzee were walking around Sue’s house, and Panpanzee pointed toward the picture. They walked to it, and Panpanzee (22 months, 20 days) point-touched it. Sue then also point-touched it and commented on the picture. Right: human example – Mom is reading book to GN (12 months, 6 days). GN gestures toward it, then point-touches moon in it. “Look, there’s the moon,” says Mom.