Why talking to infants really matters

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Why talking to infants really matters

Exposure to child-directed speech sharpens infants’ language processing skills and can predict future success. New work indicates early intervention can improve language skills in kids lagging behind.

Stanford researchers have shown that children who engage in frequent conversation with their parents get a head start on the language skills they’ll use in school.

Fifty years of research has revealed the sad truth that the children of lower-income, less-educated parents typically enter school with poorer language skills than their more privileged counterparts. By some measures, 5-year-old children of lower socioeconomic status (SES) score two years behind on standardised language development tests by the time they enter school.

In recent years, Anne Fernald, a psychology professor at Stanford University, has conducted experiments revealing that the language gap between rich and poor children emerges during infancy. Her work has shown that significant differences in both vocabulary and real-time language processing efficiency were already evident at age 18 months in English-learning infants from higher- and lower-SES families. By age 24 months, there was a 6-month gap between SES groups in processing skills critical to language development.

Fernald’s work has also identified one likely cause for this gap. Using special technology to make all-day recordings of low-SES Spanish-learning children in their home environments, Fernald and her colleagues found striking variability in how much parents talked to their children. Infants who heard more child-directed speech developed greater efficiency in language processing and learned new words more quickly. The results indicate that exposure to child-directed speech – as opposed to overheard speech – sharpens infants’ language processing skills, with cascading benefits for vocabulary learning.

“What’s most exciting,” said Fernald, “is that by 24 months the children of more engaged moms are developing bigger vocabularies and processing spoken language more efficiently. Our goal is to help parents understand that by starting in infancy, they can play a role in changing their children’s life trajectories.”

(Source: Stanford)

Date Created: February 11, 2014 Date Modified: February 24, 2014

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