Observe the child looking at two different pattern options.
Provide the simple black and white pattern and a more complex pattern with color. Hold them up at the same time for the infant to look at.
The infant stares longer at the more complex pattern.
As the vision is refined, the infant comes to prefer more complex patterns. Bright colors are now of interest. Change the mobiles and patterns to include more varied patterns and colors.
 North Carolina Department of Public Instruction, 2015
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