IQ

Recent articles

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
Stock photograph of a women and her young child at a clinician’s office.

A genetics-first clinic for catching developmental conditions early: Q&A with Jacob Vorstman

A new clinic is assessing children who have a genetic predisposition for autism and other neurodevelopmental conditions—sometimes before traits appear.

By Lauren Schenkman
15 August 2024 | 7 min read
Black-and-white research image of brain organoids.

Brain organoid size matches intensity of social problems in autistic people

Overgrown organoids could point to mechanisms underlying profound autism.

By Holly Barker
18 July 2024 | 5 min read
Illustration of DNA methylation.

‘Polygenic risk scores’ for autism, explained

These scores — composite measures of a person’s autism-linked common genetic variants — cannot predict an autism diagnosis but could help researchers better understand the condition’s underlying biology.

By Giorgia Guglielmi
23 May 2023 | 5 min read
Conceptual illustration of a door leading from one area of the brain to another area of the brain.

Autism’s genetic heterogeneity evident in brain connectivity patterns

The results highlight the importance of subgrouping study participants based on their underlying genetics, the researchers say.

By Angie Voyles Askham
27 September 2022 | 5 min read
An abstract "funding mechanism" featuring dollar bills alongside tubes, beakers and wires

New program offers $35K grants to study ‘profound autism’

People who have ‘profound autism’ — those with severe intellectual disability, limited communication abilities or both — tend to be excluded from research. The Autism Science Foundation seeks to change that.

By Peter Hess
18 July 2022 | 5 min read
Child with colorful tactile puzzle and clinician or therapist.

Autism without intellectual impairments more common than previously reported

Almost 60 percent of autistic people may have an average or above-average intelligence quotient, according to a new longitudinal study.

By Jonathan Moens
1 December 2021 | 2 min read
Photograph of a child arranging a row of flowers on the ground.

Repetitive behaviors wax and wane among autistic youth

Some types of restricted and repetitive behaviors become more prevalent among autistic children and teenagers over time, depending on their age and intellectual ability, whereas others decrease.

By Peter Hess
20 September 2021 | 2 min read
Illustration shows yellow landscape with blue sections and a lot of trains on paths with kids on the trains, going different directions.

Mapping the futures of autistic children

Researchers can roughly project what autistic children's lives will look like years down the road. But how good is their crystal ball — and what are its benefits?

By Elizabeth Svoboda
14 July 2021 | 18 min read
researchers analyzing a big change in a DNA helix

Evolutionary approach reveals impact of missense variants in autism

Cross-species comparisons can help make sense of subtle genetic variants in people with autism and identify hundreds of new genes that may contribute to the condition.

By Chloe Williams
7 July 2021 | 5 min read

Explore more from The Transmitter

Illustration of pixelated eye and stacks of paper

Writing science that humans and machines can read

Large language models are now routinely used to search, summarize and synthesize the literature at scales impossible for any individual researcher—yet scientific publishing has not adapted to that reality.

By Rachel Parkinson
15 June 2026 | 7 min read
Mother mouse and her offspring.

Maternity induces lasting gene-expression changes in mouse brains

The findings add to a small but growing body of research on neurological changes linked to pregnancy, birth and parenting.

By Amber Dance
12 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