Carrie Arnold is a Virginia-based freelance science journalist who covers many aspects of the living world. She’s a contributing editor at NOVA Next, and has also written for Mosaic, National Geographic, Aeon, Nautilus, Scientific American and Women’s Health. She is also the author of “Decoding Anorexia: How Breakthroughs in Science Offer Hope for Eating Disorders.”
Carrie Arnold
From this contributor
Weighing up autism’s obesity crisis
Autism’s underlying biology, associated behaviors and treatments can all put people on the spectrum at serious risk for obesity.
Rare form of autism shows unique pattern of regression
More than 40 percent of children with Phelan-McDermid syndrome lose skills they once had, beginning, on average, at age 6.
Rare form of autism shows unique pattern of regression
By
Carrie Arnold
24 May 2017 | 3 min read
The innovators: How families launch their own autism studies
Some parents are starting ‘N-of-1’ studies for autism, but their efforts don’t always get taken seriously.
The innovators: How families launch their own autism studies
By
Carrie Arnold
28 September 2016 | 20 min read
The invisible link between autism and anorexia
Autism and anorexia may seem to have nothing in common, but below the surface, the two conditions are startlingly similar—and sometimes affect the same person.
The invisible link between autism and anorexia
By
Carrie Arnold
17 February 2016 | 18 min read
Explore more from The Transmitter
Latest iteration of U.S. federal autism committee comes under fire
The new panel “represents a radical departure from all past rosters,” says autism researcher Helen Tager-Flusberg.
Latest iteration of U.S. federal autism committee comes under fire
The new panel “represents a radical departure from all past rosters,” says autism researcher Helen Tager-Flusberg.
By
Angie Voyles Askham
29 January 2026 | 9 min read
‘Tour de force’ study flags fount of interneurons in human brain
The newly discovered cell type might point to the origins of the inhibitory imbalance linked to autism and other conditions.
‘Tour de force’ study flags fount of interneurons in human brain
The newly discovered cell type might point to the origins of the inhibitory imbalance linked to autism and other conditions.
By
Holly Barker
29 January 2026 | 4 min read
Michael Shadlen explains how theory of mind ushers nonconscious thoughts into consciousness
All of our thoughts, mostly nonconscious, are interrogations of the world, Shadlen says. The opportunity to report our answers to ourselves or others brings a thought into conscious awareness.
Michael Shadlen explains how theory of mind ushers nonconscious thoughts into consciousness
All of our thoughts, mostly nonconscious, are interrogations of the world, Shadlen says. The opportunity to report our answers to ourselves or others brings a thought into conscious awareness.
By
Paul Middlebrooks
28 January 2026 | 1 min read