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Vision
Visually track object without moving head1,6
Visual fixing for longer periods of time1,6
More capable of midline convergence1
Visually directed reach and grasp1,6
Delay between visual attention on object and activation of reach6
Begin vertical and diagonal tracking6
Midline jerk in visual tracking6
Binocular fixation57
Briefly visually pursues lost target outside visual field17
Downward gaze toward body or toys1
Figure 4.23.1
Figure 4.23.1
Sits supported for 10-15 minutes; visually directed reach
Figure 4.23.2
Figure 4.23.2
Weight shift in prone on elbows with head rotation; briefly pursues lost target out of visual field
Figure 4.23.3
Figure 4.23.3
Delay exists between visual attention and activation of reach
Figure 4.23.4
Figure 4.23.4
Downward gaze toward body or toys
Figure 4.23.5
Figure 4.23.5
Uses binocular fixation and convergence when looking at near objects
Figure 4.23.6
Figure 4.23.6
Visual fixing for longer periods; binocular fixation; downward gaze
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