If a child practices the piano every day for 30 minutes, 10 years later that child's brain will have a larger area of the brain devoted to fine motor control of the fingers than a child who never played. This is an example of .

Brain plasticity

Explanation:

If a child practices the piano every day for 30 minutes, 10 years later that child's brain will have a larger area of the brain devoted to fine motor control of the fingers than a child who never played. This is an example of Brain plasticity.

Brain plasticity or neuroplasticity  is the capacity of the brain to alter/ change it structure and function in response to experiences or environmental conditions, it grows over time.

Brain plasticity is divided into developmental and adaptive;

Adaptive brain plasticity is the process whereby brain function can be relocated to another area of the brain in order to make up for loss of function or activity usually as a result of damage. for instance people who are visual impaired has better hearing ability than those with visual ability which is popular called the six sense or the ability of a right handed individual to make use of his/her left hand after the loss of the right hand.

Developmental neuroplasticity is the stage of strengthening new and frequently activated neutral connection through experiment and the remover of weak neutral that are not of use, developmental plasticity decrease as we grow older.

a child practices the piano every day for 30 minutes, 10 years later that child's brain will have a larger area of the brain devoted to fine motor control of the fingers than a child who never played.

Because the brain neutron has been developed during the period of constant practices of piano which had development that section of the brain and this will be evident in the latter years of the child.

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i would say b. research typically uses a variety of sources