Ppt motor development in the first year of life - reflexes

8 important questions on Ppt motor development in the first year of life - reflexes

Three categories infantile reflexes

-primitive reflexes
-postural reactions/ gravity reactions
-locomotor reflexes

When do you see the primitive reflexes

typically strong at birth, and eventually will weaken or dissapear

When do you see postural reactions

typically appear after 2 months, by 18 months are overridden by voluntary movements
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When do you see locomotor reflexes

appear and disappear before infants acquire the voluntary movements

2 types of primitive reflexes

primitive survival (searching/withdrawl)
primitive postural (walking reflex)

2 types postural reflexes

-Rigthing reflexes maintain the body in a constant orientation to gravity

-Equilibrium reactions require a response by the entire body and are needed to restore balance after distruption of the center of gravity

Optical righting (what for reflex and time)

2 to 12 months, postural

Stepping/walking; what for reflex is it and time

locomotor reflex; birth to 5 months

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