PMC10315836_01
Manual object exploration by visit and infant.
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F2
(A-F) Images of T.I. and C.I. in the lab.
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F3
T.I. engaged in more rhythmic play than C.I. (e.g., repeatedly sliding the activity ball across the table; see Figure 3C). T.I.'s mother noted during the filmed session that T.I. liked to slide his hands and toys across the table at home. In contrast, the second author noted that C.I. spent more time manipulating the individual components of the activity ball (see Figure 3D). C.I. did not demonstrate this same behavior and tended to orient quickly to new objects (Figure 3B). The second author noted that T.I. displayed a strong preference for looking down at his hands and at the table's surface (Figure 3A). C.I. inserted the spoon into a hole in the side of the lightbox, just as the experimenter demonstrated (see Figure 3F). In contrast, T.I. explored the box itself and discovered that the top of the box could be removed to reveal the lights inside (see Figure 3E).