MCAT Psych Soc Practice Questions - MCAT Psychological, Social, And Biological Foundations Of Behavior Exam

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Passage: A study examined memory consolidation. Participants learned a list of 20 words, then were randomly assigned to sleep, stay awake, or stay awake but rest quietly for 8 hours. Recall was tested afterward. The sleep group recalled significantly more words than both other groups. Based on the results, which process MOST likely accounts for the sleep group's superior recall?

Retroactive interference was reduced because new learning was minimal during sleep The sleep group experienced more proactive interference Sleep-dependent memory consolidation transferred information from working memory to sensory memory The sleep group had higher arousal levels, facilitating encoding

Correct Answer:

Retroactive interference was reduced because new learning was minimal during sleep

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