Brain size

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
Brain imaging Microphone

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 | 5 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
Spectrum Microphone

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.
Spectrum Microphone

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.
Spectrum Microphone

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
Three scans of zebrafish brains.
Spectrum Microphone

Zebrafish point to new gene involved in brain overgrowth, autism

The gene, YTHDF2, has not previously been linked to autism.

By Katharine Gammon
1 November 2022 | 2 min read
Spectrum Microphone

Different forms of autism have opposite problems with brain precursor cells

The cells’ altered proliferation rates hint at ways to diagnose and potentially treat autism earlier.

By Charles Q. Choi
10 June 2022 | 4 min read

Explore more from The Transmitter

10 standards for brain electrode-array recordings enhance reproducibility

Electrophysiology findings can vary widely from lab to lab, even among those using identical protocols. New guidelines set forth in a preprint should help.

By Elissa Welle
12 July 2024 | 5 min read
A hand holds a stack of speech bubbles.

Leveraging the power of community to strengthen clinical trials for rare genetic syndromes

Families can become not only participants but champions of these research efforts.

By Shafali Spurling Jeste
11 July 2024 | 7 min read

Accounting for a mosaic of sex differences: Q&A with Nicola Grissom

Breaking the binary view of sex traits can enable researchers to represent the broader complexity of behavior and cognition.

By Olivia Gieger
10 July 2024 | 7 min read