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Signs & Symptoms

Autism’s core symptoms accompany a constellation of subtle signs that scientists are just beginning to unmask.

June 2021
Illustration of transporter mice in brain maze
News

After 60 years, scientists are still trying to crack a mysterious serotonin-autism link

by  /  4 June 2021

The high levels of serotonin seen in the blood of some autistic people have confounded scientists for more than half a century. Despite so little progress, some researchers refuse to give up.

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May 2021
3D mouse rendering
News / Toolbox

Virtual mouse helps scientists track behavior

by  /  27 May 2021

An animated mouse reenacts common behavioral experiments and can be used to train algorithms that automatically track lab animals’ movements.

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Opinion / Viewpoint

The first Dutch boy with ‘autism’ — and the nun who cared for him

by  /  25 May 2021

The recognition of autism independently at different times and across different cultures shows the condition has clear boundaries, despite considerable heterogeneity.

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News / Toolbox

New benchmark for autism scale may help gauge therapies

by  /  18 May 2021

Researchers have defined a change in score on a popular autism rating scale that signifies a meaningful improvement in core traits. The measure could help scientists assess the effectiveness of autism treatments in clinical trials.

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Two women making eye contact while talking with each other.
News

Social attention shows sex difference in autism

by  /  14 May 2021

Autistic boys and men are less attuned to social stimuli than autistic girls and women are, according to new unpublished work.

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Humorous photograph shows a young man with plastic sunglasses on that match the patterns around him, surveys a tabletop scene of patterned objects.
Features / Deep Dive

Finding strengths in autism

by  /  12 May 2021

Autism comprises a set of difficulties, but growing evidence suggests that certain abilities also define the condition.

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Boy in front of colorful constellation or universe, studying the realms of outer space.
Features / Deep Dive

The benefits of special interests in autism

by  /  12 May 2021

Researchers are studying how the intense passions of autistic people shape the brain, improve well-being and enhance learning.

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News

Fetal brain scans may forecast autism traits in toddlers

by  /  7 May 2021

Children with highly folded and curved brains in utero tend to show autism-linked behaviors at 18 months of age, according to a longitudinal brain-imaging study.

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Baby in mother's lap watching her mouth move as she talks.
News

Infant siblings of autistic children miss language-learning clues

by  /  6 May 2021

So-called ‘baby sibs’ watch adults’ faces just as much as children without autistic siblings do, but they don’t understand spoken language as well.

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News

Autism-related conditions linked to altered visual perception

by  /  5 May 2021

A test of binocular rivalry may distinguish between autism subtypes and help researchers screen the efficacy of certain drugs.

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