Answer to Question 1
Answer: The pons is responsible for inhibiting the release of neurotransmitters necessary for large-scale muscle movement; it is a protective mechanism that prevents the sleeper from physically acting out dreams. Although body movement is reduced, respiration, auditory nerves, and eye muscles continue to function.
Answer to Question 2
Answer: Stage 1: falling asleep; Stage 2: light sleep; Stage 3: beginning of deep sleep; Stage 4; deep sleep; Stage 5: dreaming occurs (REM sleep only present in Stage 5)
The female brain
Laparoscopy. A lighted endoscope specialized for insertion into the abdomen, called a laparoscope, i
Brain activity varies by culture
The upper intake manifold, often called a plenum, attaches to the lower intake manifold.
listen to your brain not your heart
Neurons and glia: Neurons are the basic functional units of the brain