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Reflex
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Stimulation
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Infant's Response
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Developmental Pattern
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Blinking
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Flash of light, puff of air
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Closes both eyes
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Permanent
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Babinski
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Sole of foot stroked
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Fans out toes, twists in foot
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Disappears after 9 months to 1 year
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Grasping
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Palms touched
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Grasps tightly
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Weakens after 3 months, disappears after
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1 year
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Moro (startle)
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Sudden stimulation, such as
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Startles, arches back, throws head
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Disappears after 3 to 4 months
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hearing loud noise or being
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back, flings out arms and legs
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dropped
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and then rapidly closes them
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to center of body
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Rooting
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Cheek stroked or side of mouth
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Turns head, opens mouth and
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Disappears after 3 to 4 months
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touched
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begins sucking
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Stepping
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Infant held above surface and
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Moves feet as if to walk
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Disappears after 3 to 4 months
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feet lowered to touch surface
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Sucking
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Object touching mouth
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Sucks automatically
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Disappears after 3 to 4 months
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Swimming
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Infant puts face down in water
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Makes coordinated swimming
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Disappears after 6 to 7 months
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movements
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Tonic neck
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Infant placed on back
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Forms fists with both hands and
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Disappears after 2 months
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usually turns head to the right,
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(sometimes called the "fencer's
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pose" because the infant looks
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like it is assuming a fencer's
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position.
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