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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IQ’s link to brain structure, function in children may be a mirage
A child’s socioeconomic status, screen time and amount of sleep all show stronger associations with measures of brain structure and function, according to an imaging study of nearly 12,000 9- to 10-year-olds.
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Natalia Mesa
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When autistic kids grow up, Chapter 2: “You need to go to college”
With just a high school equivalency degree and struggling as a single mother, Tempest McDonald is forced to shift her priorities.
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With just a high school equivalency degree and struggling as a single mother, Tempest McDonald is forced to shift her priorities.
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Brady Huggett
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Noncoding RNA sways core autism traits in mice
Small deletions in an X-linked RNA alter social and repetitive behaviors in male mice without broadly affecting learning or memory.
Noncoding RNA sways core autism traits in mice
Small deletions in an X-linked RNA alter social and repetitive behaviors in male mice without broadly affecting learning or memory.
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Giorgia Guglielmi
11 June 2026 | 4 min read