David Ledbetter

Chief clinical officer
Dascena

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

From this contributor

Spectrum

By David Ledbetter, Scott Myers

23 March 2021

5 min read

Brain made of DNA strands on a background of molecule shapes

There are no autism-specific genes, just brain genes

There is not yet a single example of a gene that, when mutated, increases the likelihood of autism but not of other neurodevelopmental conditions, including intellectual disability.

Spectrum

There are no autism-specific genes, just brain genes

By David Ledbetter, Scott Myers

23 March 2021 | 5 min read

Spectrum

By David Ledbetter

6 May 2013

3 min read

Developmental disorders should be viewed as continuum

Intellectual disability, autism, epilepsy and schizophrenia should be considered part of a spectrum of developmental brain dysfunction, says David Ledbetter.

Spectrum

Developmental disorders should be viewed as continuum

By David Ledbetter

6 May 2013 | 3 min read

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Neuro’s ark

By Calli McMurray

30 September 2026

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Illustration of pipa frog showing nerves in fingertips.

How the pipa frog hunts prey by touch

Each of the frog’s eight fingers branches into 16 ultra-sensitive tips, which together function as a fovea—potentially the first demonstration of this type of sensory structure outside of mammals.

Neuro’s ark