What Conclusion Regarding the Role of Maturation in Motor Development

question 120

Multiple Choice

What conclusion regarding the role of maturation in motor development is supported by Dennis's classic studies of Iranian orphans?

• A)It is necessary but not sufficient.
• B)It is both necessary and sufficient.
• C)It is not necessary; practice is sufficient.
• D)It is not necessary; adequate nutrition is sufficient.

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Definitions:

Endorphins

Natural chemicals in the body that interact with the brain's receptors to reduce pain and boost pleasure, resulting in a feeling of well-being.

Dendrite

The branched extensions of a neuron that receive signals from other neurons or sensory receptors.

Myelin

A fatty substance that forms a sheath around the axons of neurons, increasing the speed at which impulses propagate.

Receive

To accept or take into one's possession something that is given, presented, or transmitted.