Sex

Accounting for a mosaic of sex differences: Q&A with Nicola Grissom

Breaking the binary view of sex traits can enable researchers to represent the broader complexity of behavior and cognition.

By Olivia Gieger
10 July 2024 | 7 min read
Photograph of a family of rhesus macaque monkeys.
Spectrum Microphone

Father’s genes may drive sociability in male monkeys

The findings in rhesus macaque monkeys may provide clues to sex differences in the heredity of social behavior in people.

By Charles Q. Choi
18 August 2023 | 3 min read
Illustration of hybrid objects: part light bulb, part lab vial, some in blue and some in red to signify null and replicated results.

The true meaning of a null result

This edition of Null and Noteworthy highlights results that reveal the difficulty in drawing definitive conclusions from data, including new findings about epidurals that contradict several others and an apparent null result on sex differences that may derive from “circular logic.”

By Laura Dattaro
14 August 2023 | 4 min read
Position heatmaps of mice performing a behavioral assay.

New test taps nose pokes as a proxy for social motivation in mice

Over one hour, a particularly motivated mouse poked its nose 350 times into a hole in the test chamber in the hopes of meeting a playmate.

By Holly Barker
10 August 2023 | 5 min read
Blurry photograph of a crowd of people on a street.

Some who lack autism diagnosis carry variants tied to the condition

The variants are associated with slight differences in measures of intelligence, income and employment, but the relationship may not be causal.

By Charles Q. Choi
13 July 2023 | 4 min read
A man looks out the window

New estimate suggests most autistic adults in England lack a formal diagnosis

The finding underscores a need for adult autism diagnostic services.

By Emmet Fraizer
9 June 2023 | 2 min read
Illustration of a brain.

Cortical differences in autism vary by sex

Compared with their non-autistic peers, young autistic girls have a thicker cortex that thins more quickly with age.

By Giorgia Guglielmi
4 May 2023 | 2 min read
Illustration of a diverse group of bodies floating in space.
Spectrum Microphone

New measure characterizes gender diversity in study participants

The Gender Self-Report could help autism researchers include more gender-diverse people across a range of ages and neurotypes in their work.

By Emmet Fraizer
12 April 2023 | 5 min read
Research image of the posterior insular cortex.

Maternal immune response dulls male rats’ social radar

Male rats prenatally exposed to a maternal immune response have atypical responses to other rats in distress, according to a new study.

By Angie Voyles Askham
27 March 2023 | 5 min listen
A young woman sits alone in a doctor’s office.
Spectrum Microphone

How scientists can counteract their unwitting contributions to autism’s sex bias

Common diagnostic and research practices may be adding to autism’s sex bias, but there are some simple steps scientists can take to counteract it.

By Anila D’Mello
20 December 2022 | 7 min read

Explore more from The Transmitter

A marble bust of a face that is covered in real leaves.

Newly found circuit through visual cortex powers first look at faces

The superior colliculus, an evolutionarily ancient brain area responsible for eye movements, responds to faces before the canonical face areas do, a study of macaque monkeys suggests.

By Olivia Gieger
19 July 2024 | 5 min read

Brain organoid size matches intensity of social problems in autistic people

Overgrown organoids could point to mechanisms underlying profound autism.

By Holly Barker
18 July 2024 | 5 min read

Persistent protein pairing enables memories to last

The complex of two memory proteins, rather than the individual molecules acting independently, underlie month-long memories in mice, a new study suggests.

By Elissa Welle
17 July 2024 | 5 min read