Theories of autism

Recent articles

The signaling imbalance theory of autism, explained

The signaling imbalance theory holds that the brains of autistic people are hyper-excitable because of either excess neuronal activity or weak brakes on that activity.

By Sarah DeWeerdt
1 May 2019 | 4 min read

The female protective effect, explained

One of the leading theories of autism posits that girls and women are biologically protected from the condition.

By Hannah Furfaro
1 May 2019 | 4 min read
Illustration of a strong man holding up a oversized brain

The extreme male brain, explained

The ‘extreme male brain’ theory suggests that autism is an exaggeration of systematic sex differences in ways of thinking.

By Hannah Furfaro
1 May 2019 | 5 min read
Illustration of red figures on a big blue brain are serotonin signaling

Serotonin’s link to autism, explained

Serotonin, the brain chemical best known for its link to depression, may also be involved in autism.

By Nicholette Zeliadt
1 May 2019 | 5 min read
A DNA helix showing common and rare variants

The multiple hits theory of autism, explained

Researchers are studying how a combination of genetic ‘hits’ may contribute to autism’s diversity.

By Jessica Wright
1 May 2019 | 4 min read
Illustration shows the world is distorted through a point of view pair of glasses

The predictive coding theory of autism, explained

In autism, a person's brain may not form accurate predictions of imminent experiences, or even if it does, sensory input may override those predictions.

By George Musser
1 May 2019 | 6 min read
overlapping network of connections in the brain

The connectivity theory of autism, explained

A growing body of evidence suggests that autism involves atypical communication between brain regions, but how and where in the brain this plays out is unclear.

By Rachel Zamzow
1 May 2019 | 4 min read

Explore more from The Transmitter

A scientist chases falling code with a butterfly net in a spare landscape with beautiful high clouds.

AI-assisted coding: 10 simple rules to maintain scientific rigor

These guidelines can help researchers ensure the integrity of their work while accelerating progress on important scientific questions.

By Russell Poldrack
16 December 2025 | 7 min read
Illustration of an open journal featuring lines of text and small illustrations of eyes and mouths.

Glutamate receptors, mRNA transcripts and SYNGAP1; and more

Here is a roundup of autism-related news and research spotted around the web for the week of 15 December.

By Jill Adams
16 December 2025 | 2 min read
Collage illustration of Shari Wiseman

Frameshift: Shari Wiseman reflects on her pivot from science to publishing

As chief editor of Nature Neuroscience, Wiseman applies critical-thinking skills she learned in the lab to manage the journal’s day-to-day operations.

By Katie Moisse
15 December 2025 | 7 min read

privacy consent banner

Privacy Preference

We use cookies to provide you with the best online experience. By clicking “Accept All,” you help us understand how our site is used and enhance its performance. You can change your choice at any time. To learn more, please visit our Privacy Policy.