What if a baby’s wobbly reach for a spoon or a make-believe tea party could quietly change the way language unfolds? In this episode of Mind The Kids, “Building Blocks: How motor and social skills shape language learning, as captured by genes” host Mark Tebbs talks with Dr Beate St Pourcain and Dr Ellen Verhoeff from the Max Planck Institute for Psycholinguistics about what it really means to develop language in a developing body.

Drawing on their JCPP study of over 6,000 children in the ALSPAC cohort, they follow a developmental cascade that starts with early gross motor milestones like sitting and crawling, moves through culturally shaped self-care and pretend-play skills like using a spoon or hosting a tea party, and then flows into vocabulary and grammar between 15 and 38 months. Along the way, they unpack how genetics and environment intertwine, why social interactions and playful routines act as gateways into language rather than just nice “add-ons,” and what this might mean for parents, carers, clinicians and educators who want to support communication in both autistic and non-autistic children.
You can read the main JCPP paper discussed in this episode, “Developing language in a developing body: genetic associations of infant gross motor behaviour and self-care/symbolic actions with emerging language abilities” via https://doi.org/10.1111/jcpp.70021

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