Brain size

Recent articles

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 | 4 min listen
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
Research image of two fluorescent-stained organoids.

CRISPR gives autism-linked genes a boost, rescues functioning

A modified form of the gene-editing tool increases the expression of CHD8 and SCN2A, showing potential for autism therapies.

By Giorgia Guglielmi
23 May 2024 | 5 min read
A research image of autism-linked genes.

Autism-linked perturbations converge on cell skeleton and RNA-binding proteins

The findings solidify the idea that autism-linked mutations affect brain activity by way of several key shared mechanisms.

By Giorgia Guglielmi
29 February 2024 | 4 min read

Common genetic variants shape the structure of the cortex

A genome-wide association study lays a foundation for deeper investigation of these variants in neurodevelopmental conditions.

By Lauren Schenkman
18 September 2023 | 6 min listen
Research image of organoids in the forebrain.

Head size parts autism into two major subtypes

An imbalance in the number of excitatory neurons in early brain development may account for the difference.

By Charles Q. Choi
12 September 2023 | 4 min read
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
Composite research image of organoids at several stages of development.

Genetic background sways effects of autism-linked mutation

Experiments offer clues to why certain mutations are associated with autism in some people and not others.

By Charles Q. Choi
18 May 2023 | 4 min read
Research image of zebrafish forebrains.

Autism-related genes converge on microglia and dopamine in zebrafish

The findings add to the growing evidence that genes with disparate functions can play similar roles in brain development.

By Peter Hess
12 May 2023 | 4 min read
Research image of the blood-brain barrier.

Rare autism-linked mutation starves growing neurons of essential nutrients

The mutation prevents certain amino acids from entering neurons, causing the cells to die early in development.

By Lauren Schenkman
10 April 2023 | 5 min read

Explore more from The Transmitter

Research image of mouse brain slices stained in red and blue.

Ramping up cortical activity in early life sparks autism-like behaviors in mice

The findings add fuel to the long-running debate over how an imbalance in excitatory and inhibitory signaling contributes to the autism.

By Sarah DeWeerdt
30 October 2025 | 6 min read
Research image of altered neurovascular coupling after exposure to psychedelics.

Psychedelics muddy fMRI results: Q&A with Adam Bauer and Jonah Padawer-Curry

The drugs disrupt the link between vascular and neuronal activity, which complicates interpretations of fMRI data. Adopting a more holistic view of what constitutes brain activity may help, the researchers say.

By Calli McMurray
29 October 2025 | 7 min read
Headshots of Philip Adeniyi, Samir Ahboucha, Willias Masoch and Daniel Gams Massi.

First Pan-African neuroscience journal gets ready to launch

With lower-than-average article processing fees, and issues dedicated to topics important to the continent, the journal hopes to give African neuroscience research much-needed international visibility.

By Lauren Schenkman
28 October 2025 | 5 min listen

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