The Science of Dreaming

What did Sigmund Freud suggest about the purpose of dreams?

• Dreams help us sort through hidden wishes.

• Dreams are random electrical signals in the brain.

• Dreams predict future events.

• Dreams are a way for the body to rest completely.

What did Eugene Aserinsky and Nathaniel Kleitman discover about brain activity during sleep?

• The brain is completely inactive during sleep.

• Brain activity fluctuates in predictable cycles.

• Dreams only occur in the first stage of sleep.

• People never move their eyes while sleeping.

Which of the following is a characteristic of REM sleep?

• The body is fully mobile and active.

• Brain activity is very slow, similar to deep sleep.

• The eyes move rapidly under closed eyelids.

• Dreams are rarely remembered during this stage.

What is one important function of dreaming?

• To allow the body to completely shut down and recover.

• To sort through daily experiences and make connections.

• To practice physical skills learned during the day.

• To prepare the body for waking up.

What kind of dreams are typically experienced during non-REM sleep?

• Vivid and exciting

• Lifelike and stressful

• Boring and about daily activities

• Dreams where you can control the narrative

What is one of the main purposes of REM sleep for the brain?

• To reinforce existing connections by repeating daily tasks.

• To process emotions and give them a narrative.

• To experience the future and test possibilities.

• To allow the body to rest completely.

What is lucid dreaming?

• Dreaming about past events.

• Being aware that you are dreaming and being able to control the dream.

• Having very vivid and realistic nightmares.

• Dreams that help you solve real-life problems without your awareness.

Which part of the brain becomes active during lucid dreaming, allowing for self-awareness and narrative control?

• Cerebral Cortex

• White Matter

• Dorsolateral Prefrontal Cortex

• Brain Stem