David Ledbetter is chief clinical officer of Dascena, a personalized medicine company.
David Ledbetter
Chief clinical officer
Dascena
From this contributor
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.
There are no autism-specific genes, just brain genes
By
David Ledbetter, Scott Myers
23 March 2021 | 5 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.
Developmental disorders should be viewed as continuum
By
David Ledbetter
6 May 2013 | 3 min read
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Scientific talent is global. Access to the world’s scientific stage is not.
Neuroscience in Chile, and across Latin America, does not lack talent or ideas, but the systems that make science visible—prestigious journals, conferences and networks—increasingly price its researchers out.
Scientific talent is global. Access to the world’s scientific stage is not.
Neuroscience in Chile, and across Latin America, does not lack talent or ideas, but the systems that make science visible—prestigious journals, conferences and networks—increasingly price its researchers out.
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Vicente Medel
3 August 2026 | 8 min read
How thirteen-lined ground squirrels illuminate retinal development
In most mammalian retinas, rods outnumber cones. But that ratio is flipped in ground squirrels, a quirk that helps Seth Blackshaw explore how retinal cells develop their identities.
How thirteen-lined ground squirrels illuminate retinal development
In most mammalian retinas, rods outnumber cones. But that ratio is flipped in ground squirrels, a quirk that helps Seth Blackshaw explore how retinal cells develop their identities.
By
Sarah Thau
31 July 2026 | 5 min read
Highlights from the first-ever Neural Genetics and Epigenetics Gordon Research Conference
The meeting’s organizers recap the science to watch.
Highlights from the first-ever Neural Genetics and Epigenetics Gordon Research Conference
The meeting’s organizers recap the science to watch.
By
Francisco J. Rivera Rosario
30 July 2026 | 4 min read