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Birth
The average size of a baby's brain is a quarter of the size of a human's brain at birth -
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Recognition
Newborns can recognize human faces and can discriminate between emotions. At birth, a baby recognizes their mother's voice. -
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Cerebellum
The first year, a newborn's brain continue to develop at a quick rate. The cerebellum triples in size which leads to rapid growth in motor skills. Babies learn how to walk. -
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Cortex
As the visual cortex grows, babies gain better sight and can adhere to their surroundings. Newborns tend to have limited vision out the womb. -
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Hippocampus
At about 3 months, an infant's recognition improves greatly which coincides with significant growth in the hippocampus. Infants can remember more faces and voices. -
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Frontal Lobe
Language circuits in the frontal and temporal lobes develop in the first year influenced by the language infants hear. Infants can grasp an understanding of language. -
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Year 2
When a baby turns 2 their brain's language areas begin to change rapidly. More synapses are developed and interconnected with one another. -
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Language
Infants develop a better vocabulary and other language abilities. An infant's vocabulary would quadruple between ages 1 and 2. -
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Myelination
Major increase in myelination. Myelination is the formation of a protein shield around a nerve. It helps the brain perform more complicated tasks. -
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Higher abilities
High-order cognitive abilities such as self-awareness develop. An infant is more aware of their own emotions and intentions. -
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Milestones
Milestones signify developmental achievements:
Gross motor skills - walking, throwing
Fine motor skills - holding, picking up an item
Vision
Hearing
Speech and language
Social and emotional development - interacting with others and controlling emotions -