David Ledbetter

Chief clinical officer
Dascena

David Ledbetter is chief clinical officer of Dascena, a personalized medicine company.

From this contributor

Brain made of DNA strands on a background of molecule shapes
Spectrum Microphone

There are no autism-specific genes, just brain genes

By David Ledbetter, Scott Myers
23 March 2021 | 5 min read
Spectrum from The Transmitter.
Spectrum

Developmental disorders should be viewed as continuum

By David Ledbetter
6 May 2013 | 3 min read

Explore more from The Transmitter

Research image of human cortical organoids.
Spectrum

Parsing phenotypes in people with shared autism-linked variants; and more

Here is a roundup of autism-related news and research spotted around the web for the week of 13 October.

By Jill Adams
14 October 2025 | 2 min read
Video of an olfactory receptor gene being expressed across a few neurons in a clonal raider ant’s antenna.
Sensory perception

Ant olfactory neurons reveal new ‘transcriptional shield’ mechanism of gene regulation

A protective screen of spurious transcriptional activity enables each olfactory neuron to express exactly one out of hundreds of olfactory receptors.

By Viviane Callier
14 October 2025 | 5 min read
Illustration of a series of shapes, with a few resembling human eyes.
The big picture

The visual system’s lingering mystery: Connecting neural activity and perception

Figuring out how the brain uses information from visual neurons may require new tools. I asked 10 neuroscientists what experimental and conceptual methods they think we’re missing.

By Grace Lindsay
13 October 2025 | 5 min read

privacy consent banner

Privacy Preference

We use cookies to provide you with the best online experience. By clicking “Accept All,” you help us understand how our site is used and enhance its performance. You can change your choice at any time. To learn more, please visit our Privacy Policy.