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  • I’ve seen a lot of pregnant women with earphones to their bellies playing Mozart to make their baby smarter.


  • But, it got me wondering, can a fetus in the womb even hear anything?


  • Hi guys, Lissette here for Dnews.

    大家好,我是 Dnews 的 Lissette。

  • In utero, a fetus' auditory system starts forming at around the 18th week of pregnancy and becomes functional at around the 25th week.

    在子宮內,胚胎的聽力系統約在孕期的第 18 週開始形成,約在第 25 週時開始運作。

  • At this point, the fetus is thought to be able to perceive sound.


  • In fact, the period from 25 weeks of gestation to 6 months of age is critical to auditory development.

    實際上,妊娠期第 25 週到寶寶六個月大的這段期間,是聽力發展的關鍵期。

  • This is when the neurosensory system is trained to perceive and differentiate sounds.


  • In other words, unlike your eyes, your ear requires exposure to sound in order to fully develop, so early exposure to sounds can be beneficial.


  • But this doesn’t mean fetuses can hear in the same way you do.


  • Because they are in their mother's body, sounds coming from the outside are somewhat muffled.


  • High frequency sounds have trouble passing through the mother’s abdominal walls, tissue and fluids.


  • So, fetuses are more able to perceive lower tones, and of course those that are louder.


  • Yet, despite this filter, many studies have found that, that just days after theyre born, babies can distinguish their mother’s voice from other female voices, and even prefer their mother’s native tongue.


  • But some moms choose to add classical music to this equation.


  • This trend is known as theMozart effectand has sparked a lucrative industry with thousands of CDs being sold to parents with the promise of making their babies smarter.

    這股趨勢稱為「莫札特效應」,並引起了一種有利可圖的產業,商人製造上千張 CD 販售給父母,並聲稱這些音樂能夠讓寶寶更聰明。

  • But, there is actually very little evidence to support this claim.


  • In fact, even the researcher behind the paper that spread the commercial madness has come out and said that her findings were "grossly misapplied and over-exaggerated."


  • However, there is some evidence that music is better than random noise.


  • In fact, a 2013 study conducted by researchers at the University of Helsinki found that babies who were played Twinkle Twinkle Little Star and other tunes in utero were able to recognize the melody when they were tested at 4 months old.

    實際上,2013 年一份由赫爾辛基大學的學者發表的研究發現,在子宮內就開始聽小星星或其他曲子的寶寶,可以在四個月大時就辨認出該曲調。

  • The researchers monitored the babies' brain activation with an EEG while they played different sounds, and those who'd been played the melody in utero had higher levels of brain activation.


  • The researchers argue that extensive prenatal exposure to a melody induces neural representations that last for several months.


  • Now, the jury is still out on whether this constitutes true learning, but it’s clear that music influences neural patterns.


  • What’s more, another study suggests that prenatal exposure to music can impact neonatal behavior.


  • In a clinical study of more than 250 infants, researchers found that infants whose pregnant mothers were exposed to music, scored higher on 5 of the 7 areas of the Brazelton Neonatal Behavioral Assessment Scale.

    在一份案例超過 250 名嬰兒的臨床研究中,研究學者發現在懷孕期間接觸音樂的媽媽,生下的嬰兒在貝佐頓新生兒行為評估表的七個部分中,有五個部分會獲得較高的分數。

  • These babies performed significantly better when tasked with following an object with their eyes, responding to animate vs inanimate objects and how quickly they recognized that an object was familiar.


  • And those are a pretty big deal to babies.


  • So there is definitely some evidence to support that early exposure to music helps with fetal development, but more research is needed.


  • And no studies have conclusively found that when babies are in the womb, Mozart is any better than Bieber.


  • So with or without music being blasted at bellies, babies end up being pretty smart.


  • To learn why babies are way smarter than you think, check out Julia's awesome video here.

    想要了解為何寶寶比你認為的還要聰明,可以去看看 Julia 的影片。

  • A recent study published in the journal developmental science found that babies can reason logically even before the age of 1 which apparently researchers thought people couldn't do it until the age of 5 or 6.


  • And you don't have choice on what you heard when you were in the womb but what do you choose to listen to today and how does that affect you?


  • Sound off in the comments below.


  • Thanks for watching Dnews and remember to subscribe.


I’ve seen a lot of pregnant women with earphones to their bellies playing Mozart to make their baby smarter.


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放音樂會讓你的寶寶更聰明嗎? (Does Playing Classical Music Make Your Baby Smarter?)

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    Evangeline 發佈於 2020 年 12 月 26 日