Compared with the Brains of People with Average Intelligence,the Brains

question 72

Multiple Choice

Compared with the brains of people with average intelligence,the brains of highly intelligent people

• A) do not show any systematic structural differences,because intelligence is determined by environmental factors,not biological factors.
• B) show higher volumes of gray matter in the prefrontal and temporal lobes.
• C) show thinner cortical layers.
• D) are actually smaller in volume,making them operate more efficiently.

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Definitions:

Manual Stimulation

Physical stimulation of body parts, often referring to sexual arousal processes performed with the hands.

Smooth Muscle

Involuntary, non-striated muscle found in walls of internal organs such as the stomach, bladder, and blood vessels.

Cerebellum

Separate portion of the brain attached to the brainstem at the pons; important in maintaining muscle tone, balance, and coordination of movement.

Impotence

Inability to accomplish the male sexual act; caused by psychic or physical factors; also called erectile dysfunction (ED).