Carolynn's Identical Twin Sons Are Participating in a Research Study

question 16

Multiple Choice

Carolynn's identical twin sons are participating in a research study that includes MRI scans.The MRI findings will most likely indicate that

• A) the areas in their brains associated with verbal intelligence are very different.
• B) the areas in their brains associated with spatial intelligence are very different.
• C) they have very similar gray-matter volume.
• D) they have very different gray-matter volume.

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Definitions:

Sphenoid

A complex bone at the base of the skull, which contributes to the formation of the orbit, the nasal cavity, and several important foramina.

Occipital

Pertaining to the back part of the skull, primarily associated with the visual processing region of the brain.

Ethmoid

A spongy, cubed bone located at the top of the nasal cavity and at the front of the floor of the cranium, crucial for nasal support and olfaction.

Vomer

A thin, flat bone forming part of the nasal septum, which divides the nasal cavity into left and right nostrils.