Object sorting into a two-dimensional array in humans and chimpanzees
The Origin of Representational Drawing: A Comparison of Human Children and Chimpanzees
Child Development, Volume 85, Number 6, Pages 2232-2246
Fetal brain development in chimpanzees versus humans
Current Biology, Volume 22, Issue 18, R791–R792
Orientation-indifferent representation in children's drawings
Japanese Psychological Research, Volume 53, Number 4, 1 November 2011 , pp. 379-390(12)
Visual Experience Influences 12-Month-Old Infants' Perception of Goal-Directed Actions of Others
Developmental Psychology, Vol 47(4), Jul 2011, 1042-1049
Mechanism of birth in chimpanzees: humans are not unique among primates
Biology Letters, 23 October 2011 vol. 7 no. 5 686-688
The supine position of postnatal human infants: Implications for the development of cognitive intelligence.
Interaction Studies, Volume 10, Number 2 pp. 252-268
Copying a model stack of colored blocks by chimpanzees and humans.
Interaction Studies, 10, 130-149.
Stacking of irregularly shaped blocks in chimpanzees (Pan troglodytes) and young humans (Homo sapiens).
Animal Cognition, 12, S49-S58.
Do human fetuses anticipate self-directed actions? A study by four-dimensional (4D) ultrasonography
Infancy, 10(3), 289-301
Behavior of infant chimpanzees during the night in the first 4 months of life: smiling and suckling in relation to behavioral state.
Infancy, 9(2): 215-234
Exploring by doing: How young chimpanzees discover surfaces through actions with objects
Infant Behavior & Development, 28, 316-328