-- brain is not divided up in an entirely rigid way

-- neurons can reorganize and extend themselves to carry out functions in response to the needs of an organism

-- neuroplasticity = brain’s ability to change its function and structure in response to experience or damage

-- allows people to learn and remember new things and adjust to new experiences

-- brains are most “plastic” as children

-- still observed in adults

-- example      -- accomplished musicians have a larger auditory cortex compared to the general population      -- musicians require less neural activity to move their fingers over keys than novices

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