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Common Developmental Delays

Developmental delays can range from mild to severe. This article provides some developmental benchmarks to help you identify these delays.

Visual-perceptual benchmarks

Some of the visual-perceptual benchmarks are listed below.

By six months:

  • follows a moving object with eyes in all directions

  • looks at objects several feet away
By around eight or nine months:

  • watches surrounding activities more

  • follows trajectory of quickly moving objects, such as a ball
By about fifteen months:

  • touches pictures while looking at them

  • visually guides activity using two hands
By about eighteen months:

  • looks at pictures in books

  • shows understanding of color and size
By thirty-six months:

  • stacks rings in correct order

  • watches and imitates other children
During fourth year:

  • recognizes own printed name

  • knows left and right

  • draws and names pictures

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