Fragile X syndrome

Recent articles

A research image of X chromosomes with Fragile X syndrome

Understanding fragile X syndrome

Just in time for Fragile X Awareness Month, The Transmitter rounds up notable coverage.

By Daisy Yuhas
4 July 2024 | 2 min read
Two hands hold a mouse.

Noisy brain may underlie some of autism’s sensory features

Random fluctuations in neuronal activity are more variable in a fragile X mouse model than in wildtype mice.

By Holly Barker
18 January 2024 | 6 min read

Autism research hits the road

Some scientists are thinking creatively about how to collect data in flexible environments and meet communities where they’re at.

By Giorgia Guglielmi
8 December 2023 | 0 min watch
Two mice touching.

‘Social touch’ responses in mice gauged with unprecedented control

A new tool could help decipher the brain circuits underlying aversion to social touch, which is common in people with autism.

By Celia Ford
19 September 2023 | 4 min read
Research image of neurons in mice.

Skewed signaling in striatum may spawn repetitive behaviors

Synaptic changes in the brain region could drive a core trait of fragile X syndrome, a new mouse study suggests.

By Holly Barker
6 September 2023 | 3 min read
Research images of protein synthesis in mice.

Neuronal deafness to stress may add to protein surplus in fragile X

A protective pathway that pauses protein synthesis is muted in a mouse model of fragile X syndrome, according to a new study.

By Holly Barker
29 August 2023 | 3 min listen
A grid of four brain scans showing excess cerebrospinal fluid.

Is excess brain fluid an early marker of autism?

Brain scans of hundreds of infants suggest that up to 80 percent of those with autism have unusual amounts of cerebrospinal fluid. Researchers are studying how this might contribute to the condition.

By Giorgia Guglielmi
17 August 2023 | 10 min read
Illustration of hybrid objects: part light bulb, part lab vial, some in blue and some in red to signify null and replicated results.

Prenatal exposures; Angelman trial suspension; autistic adult well-being

This month’s issue of the Null and Noteworthy newsletter breaks down some negative results involving prenatal exposures, an experimental treatment for Angelman syndrome, and the role that age at autism diagnosis plays in subsequent outcomes, and more.

By Emily Harris
17 July 2023 | 4 min read

Timing is key in treating sensory traits in fragile X

An experimental drug improves sensory sensitivities in fragile X model mice — but only if it's administered after certain brain circuits have formed, according to a new unpublished study.

By Angie Voyles Askham
14 July 2023 | 7 min read

Unknown isoform adds twist to theory of fragile X origins

Contrary to conventional wisdom, most people with fragile X syndrome express the FMR1 gene — albeit improperly.

By Holly Barker
11 July 2023 | 6 min read

Explore more from The Transmitter

Illustration of two silhouettes overlaid by opaque square panels.

Why hasn’t genetics taught us more about schizophrenia?

Large-scale genomics studies have failed to identify specific pathways that go awry in schizophrenia. Alternative approaches focusing on cellular, molecular and systems-level changes may be needed.

By Joshua R. Sanes
18 February 2025 | 8 min read
Research image of brain signaling.

Depression perception; MYT1L mice; brain signal variability

Here is a roundup of autism-related news and research spotted around the web for the week of 17 February.

By Jill Adams
18 February 2025 | 1 min read
Computer-generated illustration of a brain with a faint outline of another brain superimposed slightly above it.

Does the solution to building safe artificial intelligence lie in the brain?

Now is the time to decipher what makes the brain both flexible and dependable—and to apply those lessons to AI—before an unaligned agentic system wreaks havoc.

By Patrick Mineault
17 February 2025 | 6 min read