Fragile X syndrome

Recent articles

Dendritic spine images.

Targeting NMDA receptor subunit reverses fragile X traits in mice

The subunit acts as a “volume control” on signaling that shapes the density of dendritic spines, the new work suggests.

By Angie Voyles Askham
6 March 2025 | 5 min read
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

Explore more from The Transmitter

Learning scientific rigor: Q&A with Konrad Kording and Hao Ye

The developers of a new open-access curriculum to teach rigor discuss confirmation bias and other common errors in scientific thinking, plus ways to avoid these missteps.

By Calli McMurray
19 March 2025 | 6 min read
Illustration of a woman sitting on a branch with a singing bird.

This paper changed my life: Stephanie Palmer on the ties between human speech and birdsong—and her ‘informal life coach’

A groundbreaking review by Allison Doupe, who was Palmer’s mentor, and Patricia Kuhl helped shape the field’s understanding of the neural and evolutionary dynamics of speech.

By Stephanie Palmer
18 March 2025 | 5 min read
Research image of mouse brains showing altered migration of upper-layer neurons.

Restoring excitation-inhibition balance in a mouse model of autism; and more

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

By Jill Adams
18 March 2025 | 2 min read