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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Remembering Mark Hallett, leader in transcranial magnetic stimulation
The long-time NINDS researcher, best known for studying movement disorders, has died at age 82.
Remembering Mark Hallett, leader in transcranial magnetic stimulation
The long-time NINDS researcher, best known for studying movement disorders, has died at age 82.
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David Dobbs
25 November 2025 | 7 min read
Autism scientists push back on CDC’s inaccurate vaccine claims
The CDC website now falsely suggests that autism-vaccine research is still an open question, prompting distrust among researchers—some of whom anticipate “more unreliable statements coming from the junta that took over” the agency.
Autism scientists push back on CDC’s inaccurate vaccine claims
The CDC website now falsely suggests that autism-vaccine research is still an open question, prompting distrust among researchers—some of whom anticipate “more unreliable statements coming from the junta that took over” the agency.
By
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21 November 2025 | 6 min read