The Cerebral Cortex

About 85 percent of human brain weight comes from the

• hippocampus

• cerebrum

• corpus callosum

• frontal lobes

Your conscious awareness of your own name and self-identity depends primarily on the normal functioning of your

• somatosensory cortex

• amygdala

• motor cortex

• cerebral cortex

Which portion of the cerebral cortex is most closely adjacent to the ears?

• parietal lobes

• temporal lobes

• occipital lobes

• frontal lobes

Which portion of the cerebral cortex is located nearest the top of the head just behind the frontal lobes?

• occipital lobes

• hippocampus

• parietal lobes

• temporal lobes

The occipital lobes are to _______ as the temporal lobes are to _______.

• hearing; sensing movement

• seeing; sensing touch

• seeing; hearing

• speaking; hearing

During open-brain surgery, Adam's left ankle twitched whenever the surgeon electrically stimulated a specific area within Adam's

• left frontal lobe.

• right frontal lobe.

• left parietal lobe.

• right parietal lobe.

Which of the following body parts is associated with the greatest amount of brain tissue in the motor cortex?

• arms

• face

• trunk

• knees

The somatosensory cortex is most critical for our sense of

• sight.

• hearing.

• touch.

• smell.

Which part of your brain is essential for receiving information that you are moving your legs?

• corpus callosum

• hippocampus

• somatosensory cortex

• temporal lobes

Which of the following body parts is associated with the greatest amount of brain tissue in the somatosensory cortex?

• toes

• knees

• neck

• lips