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
Explore more from The Transmitter
Beyond glucose: The brain may feed itself
Myelin may serve as an energy reserve for the brain, according to recent findings, prompting neuroscientists to rethink how the brain stores, shares and protects energy.
Beyond glucose: The brain may feed itself
Myelin may serve as an energy reserve for the brain, according to recent findings, prompting neuroscientists to rethink how the brain stores, shares and protects energy.
By
Carlos Matute
26 May 2026 | 6 min read
SHANK3-variant effects in primates, and more
Here is a roundup of autism-related news and research spotted around the web for the week of 25 May.
SHANK3-variant effects in primates, and more
Here is a roundup of autism-related news and research spotted around the web for the week of 25 May.
By
Jill Adams
26 May 2026 | 2 min read
Brain’s blue spot possesses unexpected structure-function ties
The spatial arrangement of neurons in the locus coeruleus of mice corresponds with the cells’ targets across the brain, according to a new study.
Brain’s blue spot possesses unexpected structure-function ties
The spatial arrangement of neurons in the locus coeruleus of mice corresponds with the cells’ targets across the brain, according to a new study.
By
Holly Barker
25 May 2026 | 4 min read