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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Taking a closer look at astrocytes and autism
These glial cells are increasingly linked to neurodevelopmental conditions and the regulation of social behaviors and anxiety.
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These glial cells are increasingly linked to neurodevelopmental conditions and the regulation of social behaviors and anxiety.
By
The Transmitter
2 April 2026 | 2 min read
Neuro’s ark: Sounding out the evolution of hearing with geckos
Catherine Carr explains her discovery that geckos retain a vibration-sensing pathway previously thought to be lost when animals moved onto land.
Neuro’s ark: Sounding out the evolution of hearing with geckos
Catherine Carr explains her discovery that geckos retain a vibration-sensing pathway previously thought to be lost when animals moved onto land.
By
Helena Kudiabor
1 April 2026 | 5 min read
Researchers retract multisensory learning paper after failed replications
Even though one set of experiments did not hold up, the authors stand by the original conclusions of the work and plan to resubmit it as a new paper.
Researchers retract multisensory learning paper after failed replications
Even though one set of experiments did not hold up, the authors stand by the original conclusions of the work and plan to resubmit it as a new paper.
By
Calli McMurray
31 March 2026 | 4 min read