Developmental Science

Neuroscience

Early sound exposure in the womb shapes the auditory system

Inside the womb, fetuses can begin to hear some sounds around 20 weeks of gestation. However, the input they are exposed to is limited to low-frequency sounds because of the muffling effect of the amniotic fluid and surrounding ...

Psychology & Psychiatry

Word gap: When money's tight, parents talk less to kids

Three decades ago, child development researchers found that low-income children heard tens of millions fewer words in their homes than their more affluent peers by the time they reached kindergarten. This "word gap" was and ...

Psychology & Psychiatry

Teens ignore advice, but only when they know better

The researchers found that between the ages of nine and 12, young people improve their ability to make decisions independently by learning when they should or shouldn't trust their own judgements.

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