Do older siblings help or hinder language development? And does it matter if they’re sisters or brothers? In our new paper we revisit the "birth order effect"... and took it a step further! w/ @julienmayor.bsky.social, Nora Serres and Natalia Kartushina 🙌 🧵 1/ #DevSci #langsky #devpsy

New paper out! Following from our work on vowels and prosody in infant-directed speech, we turned our attention to features of consonants and their role in language development. Great collab (as always!) w/ @julienmayor.bsky.social, Nina Varjola and Natalia Kartushina 🧵 1/ #DevSci #langsky #devpsy

Interested in doing a PhD on language acquisition in Oslo? Check application process: www.jobbnorge.no/en/available... and feel free to reach out for more information! PS. We have a nice growing community including Natalia Kartushina, Luca Onnis, @audunrosslund.bsky.social, and many more!

12 months of data collection, 317 lab sessions, 22,958 phrases, 54,594 vowels, and a gazillion supplementary tables later... proud to say that our longitudinal study on the acoustics of infant-directed speech is now out! 👶🧵 1/ #DevSci #langsky #devpsy royalsocietypublishing.org/doi/10.1098/...

Developmental Cognitive Scientists by @deontbenton.bsky.social

Can't get enough of infant habituation designs!?💥 In our new paper, @julienmayor.bsky.social, Alex Cristia, Natalia Kartushina and I tested native and non-native vowel discrimination in 6-month-old Norwegian infants using eye-tracking. 👶👀 1/

🚨 New paper! 🚨 Myself, @julienmayor.bsky.social and Natalia Kartushina investigated the relationship between shared reading, screen time, and vocabulary size in n=1,442 Norwegian infants from diverse SES backgrounds. Spoiler alert: Get out those books! 📚👶 1/5

GOOD MORNING BLUESKY! Very excited about this new paper: www.pnas.org/doi/10.1073/pnas.2300671120 Key Q: what predicts how much young kids (👶)talk? How much 🗣 kids heard predicted how much 👶talked, but other factors, e.g. mom’s education, didn’t. #PsychSci #DevPsy 🗣💬 INCOMING SUMMARY🧵ALERT 1/14

I am also excited to announce a call for papers for our special issue on Metaphor Comprehension Development (in @langdevres.bsky.social) 🙌 Submissions due March 1st, 2024 - for more information about the call please visit the journal website: ldr.lps.library.cmu.edu

Trying over here as well: Which textbook are people using for language acquisition courses these days? 👶🏻📚

Looking for picture book-type stimuli for your lang dev study? 📚👶🏻 We uploaded two books for anyone to use/adapt! “Stunning colors”, “A master storyteller”, “Riveting character development” says Norwegian infants. Find them at osf.io/v5e9d/ and osf.io/smzj2/.