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
Processing facial emotions, and more
Here is a roundup of autism-related news and research spotted around the web for the week of 4 May.
Processing facial emotions, and more
Here is a roundup of autism-related news and research spotted around the web for the week of 4 May.
By
Jill Adams
5 May 2026 | 2 min read
Gene activity in human cortex shows striking sex differences
The results mark a “dramatic shift” in how neuroscientists think about sex differences, and they may help explain sex biases in certain neurodegenerative and neurodevelopmental conditions.
Gene activity in human cortex shows striking sex differences
The results mark a “dramatic shift” in how neuroscientists think about sex differences, and they may help explain sex biases in certain neurodegenerative and neurodevelopmental conditions.
By
Lauren Schenkman
5 May 2026 | 5 min read
Why expertise won’t protect you from AI’s influence
When writing a grant or reasoning about a problem, artificial intelligence can exert a subtle bias that often goes undetected, even if we’re doing our best to be aware of it.
Why expertise won’t protect you from AI’s influence
When writing a grant or reasoning about a problem, artificial intelligence can exert a subtle bias that often goes undetected, even if we’re doing our best to be aware of it.
By
Tim Requarth
4 May 2026 | 6 min read