1. The brain structure that appears to be the MOST important to sleep and wakefulness is the
A. reticular formation
B. hippocampus
C. cerebellum
D. corpus callosum
2. The electromyograph records
A. muscular activity and tension
B. contractions of the heart
C. brain wave activity
D. eye movements
3. The primary visual cortex is located in the
A. occipital lobes
B. temporal lobes
C. parietal lobes
D. frontal lobes