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
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
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During decision-making, brain shows multiple distinct subtypes of activity
Person-to-person variability in brain activity might represent meaningful differences in cognitive processes, rather than random noise.

During decision-making, brain shows multiple distinct subtypes of activity
Person-to-person variability in brain activity might represent meaningful differences in cognitive processes, rather than random noise.
Basic pain research ‘is not working’: Q&A with Steven Prescott and Stéphanie Ratté
Prescott and Ratté critique the clinical relevance of preclinical studies in the field and highlight areas for improvement.

Basic pain research ‘is not working’: Q&A with Steven Prescott and Stéphanie Ratté
Prescott and Ratté critique the clinical relevance of preclinical studies in the field and highlight areas for improvement.
Proposed NIH budget cut threatens ‘massive destruction of American science’
A leaked draft of a Trump administration proposal includes an approximately 40 percent cut to the National Institutes of Health’s budget and a major reorganization of its 27 institutes and centers.

Proposed NIH budget cut threatens ‘massive destruction of American science’
A leaked draft of a Trump administration proposal includes an approximately 40 percent cut to the National Institutes of Health’s budget and a major reorganization of its 27 institutes and centers.