Headshot of John Constantino.

John Constantino

Chief of behavioral and mental health
Children’s Healthcare of Atlanta

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.

From this contributor

Illustration of children looking at a gigantic set of building blocks, some of which display genetic sequences on their surfaces.
Spectrum

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
Image shows two young girls, identical twins, covering their faces with leaves while facing each other.
Spectrum

Q&A with John Constantino: Solving the biomarker conundrum

By Alla Katsnelson
3 August 2021 | 7 min read
Big baby plays with two connected rings while two scientists with clipboards look on.
Spectrum

Traits of other conditions may spur autism

By John Constantino, Zoë Hawks
12 June 2018 | 7 min read
Spectrum from The Transmitter.
Spectrum

Japanese spectrum

By John Constantino
9 April 2013 | 4 min read

Explore more from The Transmitter

Illustration of a synapse.
Molecular neuroscience

Neuroscience needs single-synapse studies

Studying individual synapses has the potential to help neuroscientists develop new theories, better understand brain disorders and reevaluate 70 years of work on synaptic transmission plasticity.

By Seth Grant
17 February 2026 | 5 min read
Research image visualizing brain region connectivity in autistic girls compared to autistic boys.
Spectrum

New insights on sex bias in autism, and more

Here is a roundup of autism-related news and research spotted around the web for the week of 16 February.

By Jill Adams
17 February 2026 | 2 min read
Illustration with silhouettes of a human, bat and nonhuman primate.
Animal models

Neuroscience has a species problem

If our field is serious about building general principles of brain function, cross-species dialogue must become a core organizing principle rather than an afterthought.

By Nanthia Suthana
16 February 2026 | 7 min read

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