John N. Constantino is a board-certified child and adolescent psychiatrist and chief of behavioral and mental Health at Children’s Healthcare of Atlanta, as well as professor of psychiatry and pediatrics at Emory University School of Medicine. He is an international leader in autism trait phenotyping, sex differences in autism, and endophenotypic analyses.

John Constantino
Chief of behavioral and mental health
Children’s Healthcare of Atlanta
From this contributor
Autism is more heritable in boys than in girls
If boys have greater inherited liability for autism, the female protective effect may not fully explain the sex difference in prevalence.

Autism is more heritable in boys than in girls
Q&A with John Constantino: Solving the biomarker conundrum
Biological factors that reflect autism’s roots may differ from those that influence how severe the condition is. Failure to make a distinction has stymied the search for biomarkers.

Q&A with John Constantino: Solving the biomarker conundrum
Traits of other conditions may spur autism
Early features of other conditions may contribute to autism itself

Traits of other conditions may spur autism
Japanese spectrum
Researchers studying autism prevalence should take into account the continuous nature of autism symptoms in the general population, says John Constantino.
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PTEN problems underscore autism connection to excess brain fluid
Damaging variants in the autism-linked gene cause congenital hydrocephalus—a buildup of cerebrospinal fluid in the brain—by turbocharging a downstream signaling pathway that promotes the growth of cells, according to a new study.

PTEN problems underscore autism connection to excess brain fluid
Damaging variants in the autism-linked gene cause congenital hydrocephalus—a buildup of cerebrospinal fluid in the brain—by turbocharging a downstream signaling pathway that promotes the growth of cells, according to a new study.
U.S. health agency purge includes 10 lab heads at National Institute of Neurological Disorders and Stroke
The reasons for selecting these researchers—who have led work on neuronal migration, dopamine receptors in neuronal signaling and the structure of ion channels, among other areas—remain unclear.

U.S. health agency purge includes 10 lab heads at National Institute of Neurological Disorders and Stroke
The reasons for selecting these researchers—who have led work on neuronal migration, dopamine receptors in neuronal signaling and the structure of ion channels, among other areas—remain unclear.
Five things to know if your federal grant is terminated
If you want to appeal the decision, know the rules that govern terminations, as well as the specific rationale given in your notice, science policy experts say.

Five things to know if your federal grant is terminated
If you want to appeal the decision, know the rules that govern terminations, as well as the specific rationale given in your notice, science policy experts say.