Dreams - Unit 2: Altered States of Consciousness

What is the main function of dreams according to the Neural Activation Theory?

• To improve memory consolidation
• To make sense of random neural activity
• To fulfill unconscious wishes
• To process emotions

According to Freud, what do dreams represent?

• Unconscious wishes and drives
• Conscious thoughts and desires
• Memories from childhood
• Future aspirations

What happens to the characteristics of dreams as the night progresses?

• They become more abstract
• They become longer and more vivid
• They become shorter and less vivid
• They disappear completely

How do researchers catch dreams as they happen in a sleep study?

• By awakening participants during REM sleep
• By asking participants to write them down
• By analyzing brain waves after waking up
• By observing participants' eye movements

What do PET scans of sleeping individuals reveal about brain activity during REM sleep?

• Decreased limbic system activity
• Increased frontal lobe stimulation
• Inhibition of visual processing
• Activation of emotion-related areas

Which part of the brain is responsible for inhibition and logical thinking in dreams?

• Amygdala
• Frontal lobe
• Limbic system
• Brain stem

What part of the brain is responsible for processing visual images in dreams?

• Frontal lobe
• Brain stem
• Limbic system
• Amygdala

How do lucid dreams differ from regular dreams?

• Lucid dreams are shorter in duration
• Lucid dreams involve the dreamer being aware they are dreaming
• Lucid dreams are more common in children
• Lucid dreams occur during non-REM sleep

What is the estimated total time spent in dreams over a lifetime?

• 10 years
• 1 year
• 3 years
• 6 years

What is the link between REM sleep and dreams?

• REM sleep is when dreams occur
• REM sleep improves memory
• REM sleep causes nightmares
• REM sleep is dreamless