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
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Eighteen teams analyzed the same neurophysiology dataset—and got wildly different answers
The “Brainhack” hackathon revealed that disagreement in neuroscience runs deeper than most researchers suspect—even in electrophysiology, a field that prides itself on hard data.
Eighteen teams analyzed the same neurophysiology dataset—and got wildly different answers
The “Brainhack” hackathon revealed that disagreement in neuroscience runs deeper than most researchers suspect—even in electrophysiology, a field that prides itself on hard data.
By
Gaëlle Chapuis, Mattia Chini
1 June 2026 | 7 min read
‘Unbelievably beautiful’ evidence extends Nobel Prize-winning model of vision
Orientation tuning—the ability to distinguish a horizontal line from a vertical one or something in between—originates in the visual cortex, according to new mouse synapse imaging experiments.
‘Unbelievably beautiful’ evidence extends Nobel Prize-winning model of vision
Orientation tuning—the ability to distinguish a horizontal line from a vertical one or something in between—originates in the visual cortex, according to new mouse synapse imaging experiments.
By
Claudia López Lloreda
29 May 2026 | 5 min read
Bringing basic biology back to INSAR
As the International Society for Autism Research has grown over the past two decades, basic science has become less central, Christine Wu Nordahl says. This year, she and other meeting organizers aimed to change that.
Bringing basic biology back to INSAR
As the International Society for Autism Research has grown over the past two decades, basic science has become less central, Christine Wu Nordahl says. This year, she and other meeting organizers aimed to change that.
By
Diana Kwon
28 May 2026 | 6 min read