Developmental delay

Recent articles

Research image of organoids derived from stem cell lines from people with intellectual disability, polymicroglia or microcephaly, alongside a control organoid.

New organoid atlas unveils four neurodevelopmental signatures

The comprehensive resource details data on microcephaly, polymicrogyria, epilepsy and intellectual disability from 352 people.

By Diana Kwon
17 December 2025 | 4 min read

Cell ‘antennae’ link autism, congenital heart disease

Variants in genes tied to both conditions derail the formation of cilia, the tiny hair-like structure found on almost every cell in the body, a new study finds.

By Lauren Schenkman
24 July 2025 | 0 min watch
A woman plays with a child on the floor.

Four autism subtypes map onto distinct genes, traits

An analysis of more than 5,000 autistic children and their siblings underscores the idea that autism can be understood as multiple conditions with distinct trajectories.

By Giorgia Guglielmi
17 July 2025 | 5 min read
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 | 8 min read
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

Explore more from The Transmitter

Map of socioeconomic opportunity in the United States next to visualizations of functional connectivity and structure in sensory and motor cortices.

IQ’s link to brain structure, function in children may be a mirage

A child’s socioeconomic status, screen time and amount of sleep all show stronger associations with measures of brain structure and function, according to an imaging study of nearly 12,000 9- to 10-year-olds.

By Natalia Mesa
11 June 2026 | 5 min read
Photo collage of Tempest McDonald.

When autistic kids grow up, Chapter 2: “You need to go to college”

With just a high school equivalency degree and struggling as a single mother, Tempest McDonald is forced to shift her priorities.

By Brady Huggett
11 June 2026 | 28 min listen
Research image of X-linked RNAs in male mice.

Noncoding RNA sways core autism traits in mice

Small deletions in an X-linked RNA alter social and repetitive behaviors in male mice without broadly affecting learning or memory.

By Giorgia Guglielmi
11 June 2026 | 4 min read