Lab 1 -- Session 2

Which cranial nerve is active during REM sleep?

• vagus CN 10 (motor/sensory)

• abducens CN 6 (motor)

• occulomotor CN 3 (motor)

• No cranial nerves are active

Which type of brain wave can be indicative of brain damage if detected in alert adults?

• beta wave

• delta wave

• alpha wave

• theta wave

Does the length of REM change over the course of a night's sleep?

• Yes, the REM period becomes shorter

• Yes, the REM period becomes longer

• No, the REM period remains constant

When does reverse learning occur?

• during REM

• when awake

• during NREM 1-2

• during NREM 3-4

Answer explanation

reverse learning = removing unnecessary events from memory

Sleep spindles and K complexes are found in what stage of sleep?

• NREM 1

• NREM 2

• NREM 3-4

• REM

Billy is an athlete, who is preparing for a bike race. He practices every day at the same time
so that he can improve his biking time. This activity relies on what type of memory?

• Motor memory

• Procedural memory

• Emotional memory

• Declarative memory

Which area of the brain, when activated, keeps the body awake?

• Suprachiasmatic Nucleus

• Preoptic Nucleus

• Reticular Activating System

• Pineal Gland