Answers for “How baby talk gives infant brains a boost” with explanation

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14. B
Explanation: paragraph D
“ … ,’ says Nairán Ramírez-Esparza of the University of Connecticut. ‘ We also found that it really matters whether you use baby talk in a one-on-one context,’ she adds.’ The more parents use baby talk one-on-one, the more babies babble, and the more they babble, the more words they produce later in life.’
individual = one-on-one; it really matters= important

15. C
Explanation: paragraph F
“ Finding activation in motor areas of the brain when infants are simply listening is significant, because it means the baby brain is engaged in trying to talk back right from the start, and suggests that seven-month-olds’ brains are already trying to figure out how to make the right movements that will produce words,’ says co-author Patricia Kuhl.
listen = hear; create speech = produce words; are trying = efforts

16. A
Explanation: Paragraph C
“ The idea is that a kid gets to practice a certain kind of speech with mom and another kind of speech with dad, so the kid then has a wider repertoire of kinds of speech to practice,’ says VanDam

17. B
Explanation: paragraph D
“ Those children who listened to a lot of baby talk were talking more than the babies that listened to more adult talk or standard speech,” says Nairán Ramírez-Esparza of the University of Connecticut.
vocalize = talk

18. recording devices
Explanation: Paragraph C: “ Mark VanDam of Washington State University at Spokane and colleagues equipped parents with recording devices and speech-recognition software to study the way they interacted with their youngsters during a normal day.”
used = equipped; babies = youngsters; software = computer programs; study = analyse

19. fathers/ dads
Explanation: Paragraph C: “ But we found that dads aren’t doing the same thing. Dads didn’t raise their pitch or fundamental frequency when they talked to kids.”
raise = modify; fundamental = ordinary; talk = interact with

20. bridge hypothesis
Explanation: Paragraph C: “ Their role may be rooted in what is called the bridge hypothesis, which dates back to 1975. It suggests that fathers use less familial language to provide their children with a bridge to the kind of speech they’ll hear in public.”
provide = prepare; children = infants

21. repertoire
Explanation: Paragraph C: “ The idea is that a kid gets to practice a certain kind of speech with mom and another kind of speech with dad, so the kid then has a wider repertoire of kinds of speech to practice,’ says VanDam → wider = expand

22. ( audio – recording) vests
Explanation: Paragraph D: “ Scientists from the University of Washington and the University of Connecticut collected thousands of 30-second conversations between parents and their babies, fitting 26 children with audio-recording vests that captured language and sound during a typical eight-hour day.”
capture = record

23. vocabulary
Explanation: Paragraph D: “ And when researchers saw the same babies at age two, they found that frequent baby talk had dramatically boosted vocabulary, regardless of socioeconomic status.”
a lot of baby talk in infancy = frequent baby talk; much = dramatically; larger = boost

24. F
Explanation: Paragraph F
“ Finding activation in motor areas of the brain when infants are simply listening is significant, because it means the baby brain is engaged in trying to talk back right from the start, and suggests that seven-month-olds’ brains are already trying to figure out how to make the right movements that will produce words,’
activation = change; seven-month-olds’ brains = before the end of their first year

25. A
Explanation: Paragraph A
“ Most babies start developing their hearing while still in the womb, prompting some hopeful parents to play classical music to their pregnant bellies.”
still in the womb = before birth

26. E
Explanation: Paragraph E
“ …found that babies seem to like listening to each other rather than to adults – which may be why baby talk is such a universal tool among parents.”

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