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
Interneurons’ role in epilepsy, and more
Here is a roundup of autism-related news and research spotted around the web for the week of 9 February.
Interneurons’ role in epilepsy, and more
Here is a roundup of autism-related news and research spotted around the web for the week of 9 February.
By
Jill Adams
10 February 2026 | 1 min read
Aging neurons outsource garbage disposal, clog microglia
Degradation-resistant proteins pass from neurons to glial cells in a process that may spread protein clumps around the brain, according to a study in mice.
Aging neurons outsource garbage disposal, clog microglia
Degradation-resistant proteins pass from neurons to glial cells in a process that may spread protein clumps around the brain, according to a study in mice.
By
Holly Barker
10 February 2026 | 4 min read
Oregon primate research center to negotiate with NIH on possible transition to sanctuary
The board of directors at Oregon Health & Science University, which runs the primate center, voted unanimously in favor of the move.
Oregon primate research center to negotiate with NIH on possible transition to sanctuary
The board of directors at Oregon Health & Science University, which runs the primate center, voted unanimously in favor of the move.
By
Calli McMurray
9 February 2026 | 6 min read