Developmental delay

Recent articles

Multiple exposure of Rujuta Wilson facing the camera, and walking along her gait mat.

A new look at walking in early childhood: Q&A with Rujuta Wilson

Quantifying toddlers’ gaits promises to improve autism diagnosis and intervention.

By Charles Q. Choi
14 March 2024 | 6 min read
Young child stacks colored blocks on a table.

High prevalence of developmental delay strains Australia’s support systems

The nation needs to build capacity to support the roughly 20 percent of children in Australia who have developmental delay.

By Andrew Whitehouse
1 September 2023 | 5 min read

Emotion dysregulation in autism with Carla Mazefsky

The director of the University of Pittsburgh’s Autism Center of Excellence talks about her new work investigating suicidality in autistic adults.

By Brady Huggett
1 August 2023 | 59 min listen
Illustration of half of a brain on the left and half of a heart on the right

Change of heart and mind: Autism’s ties to cardiac defects

Children with congenital heart disease have an increased likelihood of autism. Why?

By Lauren Schenkman
21 July 2023 | 12 min read
Research image of developing mouse embryos.

Medley of models reveals misbehaving pathways in autism-linked condition

The largest analysis of human samples to date, plus work in mice and zebrafish, detail the gene KMT5B’s role in brain development.

By Holly Barker
4 May 2023 | 5 min read
Image of scientists working in a lab.

African genetics study NeuroDev shares initial findings

The most comprehensive study of neurodevelopmental conditions in Kenya and South Africa ever conducted shares preliminary results and lessons.

By Maaisha Osman
15 March 2023 | 7 min listen
Toddler stepping towards parent, in front of window.

What developmental milestones say about autism research: A conversation with Susan Kuo and Elise Robinson

Shifts in diagnostic criteria have only added to the condition’s bedeviling heterogeneity, an analysis of smiling, sitting, walking and other early milestones in more than 17,000 autistic children reveals.

By Sarah DeWeerdt
10 August 2022 | 7 min read
A street crowded with pedestrian traffic

Spectrum of variants contribute differently to autism traits

Different combinations of common, rare, inherited and spontaneous mutations may explain why traits vary so widely among autistic people.

By Laura Dattaro
3 June 2022 | 5 min read
Conceptual illustration of child sleeping under blanket with multiple EEG waves overlaid on top and a window on left showing it is daytime and window on right showing nighttime.

Cracking autism’s sleep conundrum

Sleep problems may contribute to or derive from autism traits — or both. After decades of work, researchers are beginning to uncover the biological connections between the two conditions, revealing new paths to potential treatments.

By Chloe Williams
25 February 2022 | 8 min read

Top autism candidate gene tied to newly identified syndrome

Mutations in the autism-linked gene PAX5 underlie a range of traits, including developmental delay, intellectual disability, seizures and autism.

By Peter Hess
17 February 2022 | 4 min read

Explore more from The Transmitter

ABCD Study omits gender-identity data from latest release

The removal counteracts the goals of the longitudinal study by “pretending that some aspects of adolescent brain development don’t exist,” says sex differences researcher Nicola Grissom.

By Calli McMurray
11 July 2025 | 4 min read
Leafcutter ants carrying leaves.

Neuropeptides reprogram social roles in leafcutter ants

The mechanisms that control the labor roles of ants may also be conserved in naked mole rats, a new study shows.

By Shaena Montanari
11 July 2025 | 7 min listen
Illustration of overlapping, multi-colored human head silhouettes.

Perspectives from the field: Opinions in autism research

This collection of Spectrum articles from the past 12 months highlights expert perspectives on autism’s heritability and its link to biological sex, the value of transdiagnostic frameworks, and the field’s future, among other topics.

By Daisy Yuhas
10 July 2025 | 3 min read