When do infants start to understand that they can grasp an object by its handle when the
interesting part is out of reach? Whereas it is known from preferential looking tasks that
already at three months of age infants show surprise when all parts of an object do not move
together, little is known about when infants are able to use such knowledge in an active
grasp situation. To answer this question we presented six, eight, and 10 month-old infants in
a cross-sectional and a longitudinal study with a white cardboard handle within reach and a …