Research from the University of Iowa reveals that speaking and gesturing simultaneously during interactions significantly boosts brain alignment between parents and children, promoting more effective learning.
As the new school year begins, a University of Iowa study suggests that one of the simplest ways for parents to help children learn may be to talk and gesture at the same time. The research points to a form of “neural synchrony”, in which the brain activity of adult and child appears to line up during interaction. According to the university, the finding supports a broader message: what matters most is not how long parents spend with children, but how they engage with them.
The study, published on 26 June in Developmental Cognitive Neuroscience, examined 42 parent-child pairs as they worked through seven-piece puzzles shaped like familiar objects, including a bird and a house. Researchers tracked brain activity while recording the pairs to see how speech and movement were used during the task. When parents combined verbal guidance with hand gestures, activity rose in the adult’s social-perception region and in the child’s problem-solving region, suggesting a more tightly connected learning exchange.
Eetje Demir-Lira, an associate professor in the University of Iowa’s Department of Psychological and Brain Sciences and a co-author of the study, said the effect is not simply about time spent together. In comments reported by the university, she said richer interactions can be created when adults add gestures to speech or encourage children to use their own hands as they think through a task. The researchers likened the shared brain activity to “two dancers” moving together.
The work adds to a wider body of research showing that gesture can strengthen learning in several settings. Other University of Iowa studies have found that encouraging children to gesture can help them reveal problem-solving knowledge in maths, while research published in the Journal of Child Language showed that gestured input can deepen understanding of spatial words such as “under”. Taken together, the studies suggest that hand movements are not just a supplement to language, but an important part of how children make sense of it.
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