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
Early experience reshapes zebrafish retinal cells, alters behavior
The cells undergo a classic form of plasticity previously thought to occur only in downstream visual circuits.
Early experience reshapes zebrafish retinal cells, alters behavior
The cells undergo a classic form of plasticity previously thought to occur only in downstream visual circuits.
By
Siddhant Pusdekar
13 August 2026 | 0 min watch
Loss of interneuron plasticity may be shared hallmark of neurodevelopmental conditions
Restoring an experience-dependent interneuron plasticity gene in adulthood improves memory and cuts seizures in CNTNAP2 knockout mice, a new study shows.
Loss of interneuron plasticity may be shared hallmark of neurodevelopmental conditions
Restoring an experience-dependent interneuron plasticity gene in adulthood improves memory and cuts seizures in CNTNAP2 knockout mice, a new study shows.
By
Claudia López Lloreda
12 August 2026 | 5 min read
Neuropsychiatric MRI brain signatures fail reproducibility test
Small neuroimaging studies are unlikely to capture consistent anatomical changes related to conditions such as autism, schizophrenia and mood disorders, according to a new “wake-up call” study.
Neuropsychiatric MRI brain signatures fail reproducibility test
Small neuroimaging studies are unlikely to capture consistent anatomical changes related to conditions such as autism, schizophrenia and mood disorders, according to a new “wake-up call” study.
By
Holly Barker
12 August 2026 | 5 min read