Quiz on REM Sleep and Memory

What type of memories are associated with REM sleep?

• Paired-associates

• Emotional memories

• Gist extraction

• All of the above

Which brain region is most associated with processing emotions like fear?

• Hippocampus

• Amygdala

• Prefrontal cortex

• Brain stem

What is the main way REM sleep affects stress encoding?

• Increases sensitivity to threats

• Decreases selectivity to threats

• Decreases sensitivity and increases selectivity to threats

• Has no effect on stress encoding

What is the relationship between baseline REM sleep and test anxiety, according to Larios & Lerner (2024)?

• No correlation

• Negative correlation

• Positive correlation

• The relationship is unknown

In the split-night design, what sleep stages are compared?

• N1 vs. N2

• SWS vs. REM

• REM vs. N1

• Wake vs. Sleep

What is the effect of REM sleep on the recall and generalization of stressful memories?

• Increases both recall and generalization

• Decreases both recall and generalization

• Decreases recall, increases generalization

• Increases recall, decreases generalization

What is the main finding from the pilot study on baseline sleep in emergency responders?

• More REM sleep predicts higher sensitivity to stress.

• More REM sleep predicts lower selectivity to stress.

• More REM sleep predicts a decrease in sensitivity but an increase in selectivity to stress.

• More REM sleep has no effect on stress response in emergency responders.

What is the "paradoxical" effect of REM sleep on stress encoding?

• It always increases fear response.

• It always decreases fear response.

• It simultaneously reduces sensitivity and increases selectivity to threats.

• It has no consistent effect on stress encoding.

In the context of fear conditioning, what does CS+ signify?

• A neutral stimulus

• A conditioned stimulus that predicts the absence of a threat

• A conditioned stimulus that predicts the presence of a threat

• The unconditioned stimulus

According to the presentation, what is the potential mechanism behind the REM Recalibration Hypothesis?

• Strengthening of hippocampal connectivity

• Increased amygdala activity

• Resetting of norepinephrine levels in the amygdala

• Suppression of slow-wave sleep