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
By
Sneha Chaturvedi, John Constantino, Natasha Marrus, Sven Sandin, Benjamin Yip
19 September 2024
6 min read
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
By
Sneha Chaturvedi, John Constantino, Natasha Marrus, Sven Sandin, Benjamin Yip
19 September 2024 | 6 min read
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
By
Alla Katsnelson
3 August 2021 | 7 min read
Traits of other conditions may spur autism
Early features of other conditions may contribute to autism itself
Traits of other conditions may spur autism
By
John Constantino, Zoë Hawks
12 June 2018 | 7 min read
Japanese spectrum
Researchers studying autism prevalence should take into account the continuous nature of autism symptoms in the general population, says John Constantino.
Explore more from The Transmitter
Dispute erupts over universal cortical brain-wave claim
The debate highlights opposing views on how the cortex transmits information.
Dispute erupts over universal cortical brain-wave claim
The debate highlights opposing views on how the cortex transmits information.
By
Claudia López Lloreda
12 December 2025 | 5 min read
Waves of calcium activity dictate eye structure in flies
Synchronized signals in non-neuronal retinal cells draw the tiny compartments of a fruit fly’s compound eye into alignment during pupal development.
Waves of calcium activity dictate eye structure in flies
Synchronized signals in non-neuronal retinal cells draw the tiny compartments of a fruit fly’s compound eye into alignment during pupal development.
By
Lauren Schneider
12 December 2025 | 0 min watch
Among brain changes studied in autism, spotlight shifts to subcortex
The striatum and thalamus are more likely than the cerebral cortex to express autism variants or bear transcriptional changes, two unpublished studies find.
Among brain changes studied in autism, spotlight shifts to subcortex
The striatum and thalamus are more likely than the cerebral cortex to express autism variants or bear transcriptional changes, two unpublished studies find.
By
Holly Barker
11 December 2025 | 5 min read