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This stage lasts
from birth to about 2 years of age.
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It is also known
as SENSORIMOTOR stage.
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In this stage,
infants construct an understanding of the world by coordinating sensory
experiences.
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That is why this
stage is named as sensorimotor.
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An infant
progresses from reflective, instinctual action at birth to the beginning of
symbolic thought.
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In the first 2
years of life, a child’s mental development is normally non-verbal.
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During this
stage the child is mainly concerned with learning to co-ordinate purposeful
movements with the information from the senses. The child is mainly concerned
with learning to co-ordinate purposeful movements with the information from
the senses. Moreover, object performance, means an understanding that
objects continue to exist when they are out of sight emerges at this time.
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By about the age
of 11/2 the child begins to actively pursue
disappearing objects, such as rolling ball behind the table.Before this they
do not know wher the ball has gone if you hold it behind your back.
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Piaget believed
that the younger infants behave as if hidden objects cease to exist but by
age 2, the child can anticipate the movement of hidden or out of sight
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