Paller concedes that once children are mobile (and know how to tear off a sun hat), it's harder to keep them covered up.
帕勒认为，一旦孩子有了行动能力（知道如何扯掉太阳帽），就很难保护。
2
Paller and his colleagues will next explore how long these effects last and whether aural cues can strengthen other types of memories as well.
Paller和他的同事们将进一步探索该作用能持续多长时间及是否听觉线索也能加强其它类型的记忆。
3
"We were certainly surprised," says co-author Ken Paller, director of the Cognitive Neuroscience Program at north-western, explaining that he did not expect such strong results.