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
How does a control theorist explain cognition?
Maxim Raginsky draws on control theory, engineering and philosophy to explore what makes biological brains intelligent, what artificial intelligence is missing, and what principles underlie biological autonomy.
How does a control theorist explain cognition?
Maxim Raginsky draws on control theory, engineering and philosophy to explore what makes biological brains intelligent, what artificial intelligence is missing, and what principles underlie biological autonomy.
By
Paul Middlebrooks
7 October 2026 | 1 min read
Holographic mesoscope reads, writes from different cortical regions simultaneously
The tool could help reveal how information transmission between areas relates to perception, cognition and behavior.
Holographic mesoscope reads, writes from different cortical regions simultaneously
The tool could help reveal how information transmission between areas relates to perception, cognition and behavior.
By
Simon Makin
7 October 2026 | 0 min watch
Susana Carmona on the neurobiology of pregnancy
In a Q&A about her new book, “A Mother’s Brain,” Carmona shares key moments in her career that led her to study the neuroscience of motherhood and discusses some of the major questions the field still needs to address.
Susana Carmona on the neurobiology of pregnancy
In a Q&A about her new book, “A Mother’s Brain,” Carmona shares key moments in her career that led her to study the neuroscience of motherhood and discusses some of the major questions the field still needs to address.
By
Francisco J. Rivera Rosario
6 October 2026 | 8 min read