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Most neurons are already present, but the synapses are rapidly forming.
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Reflexing like sucking and grasping are active. Myelination starts in sensory and motor pathways, leading to movement coordination.
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Newborns begin refining their senses. Visual and auditory pathways begin forming synapses.
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The brain develops more complex neural circuits. Vison sharpens and hearing improves
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Brain starts responding to social stimuli and develop emotional connections
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The hippocampus becomes more active, and babies start recognizing familiar objects. They gain ability to understand objects exist because of the frontal lobe developing
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The brain eliminates unused neural connections. The frontal lobe continues developing which allows babies to engage in simple problem solving
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Toddlers curious about their environment due to their developing prefrontal cortex
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Imitative learning becomes more pronounced as toddlers begin mimicking actions and words
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Brain reaches about 80% of its adult size. Toddlers show signs of executive functioning such as impulse control, planning, and problem solving. They also develop things like empathy, and emotion regulation.