Monkeys

Recent articles

Book cover of What Is Intelligence.

‘What Is Intelligence?’: An excerpt

In his new book, published today, Blaise Agüera y Arcas examines the fundamental aspects of intelligence in biological and artificial systems. In this excerpt from Chapter 4, he examines temporal difference, a reinforcement learning algorithm.

By Blaise Agüera y Arcas
23 September 2025 | 9 min read
Two rhesus macaque monkeys.

Vasopressin boosts sociability in solitary monkeys

Inhaling the hormone did not increase aggression in unsociable rhesus macaques and appears to help the animals remember faces and reciprocate friendly behaviors.

By Charles Q. Choi
25 November 2024 | 5 min read

Expanding set of viral tools targets almost any brain cell type

Harmless viruses that encase short noncoding DNA elements called enhancers enable cell-type-specific gene delivery across the central nervous system in rodents and primates.

By Holly Barker
19 November 2024 | 2 min watch
Three rhesus macaque monkeys.

Monkeys’ amygdala cells adapt to social status

The cells’ activity reflects social hierarchies and may enable flexible behavior.

By Angie Voyles Askham
6 November 2024 | 4 min read
Research image of fetal macaque brains.

Brain patterning in utero may be implicated in autism, other conditions

Genes tied to several conditions are expressed in regions that control neural stem cell fate within the first few months post-conception.

By Chloe Williams
1 August 2024 | 6 min read
Illustration of a monkey with map-like navigation pinpoints superimposed on its head.

Monkeys build mental maps to navigate new tasks

Cognitive maps, also known as world models, allow animals to imagine novel scenarios based on past experiences.

By Katie Moisse
30 July 2024 | 7 min read
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
Black-and-white headshots of Nancy Kanwisher, Winrich Freiwald and Doris Tsao.

2024 Kavli Prize awarded for research on face-selective brain areas

Studies by Nancy Kanwisher, Winrich Freiwald and Doris Tsao revealed how the brains of humans and other primates identify faces and helped establish an understanding of brain specialization.

By Olivia Gieger
12 June 2024 | 4 min read
Illustration of a yellow brain and a pink brain

Monkey studies throw wrench into decade-old idea about movement’s effect on visual cortex

Movements that boost activity in the visual cortex of mice have the opposite or no effect in marmosets and macaques, prompting questions about whether mice are a suitable model for the primate visual system.

By Angie Voyles Askham
20 February 2024 | 9 min read
A photograph of Peter Schiller

Remembering Peter Schiller, principled pioneer of vision research

Schiller, best known for his research on how the superior colliculus controls eye movements, died last month at the age of 92.

By Angie Voyles Askham
16 January 2024 | 8 min read

Explore more from The Transmitter

Brain scan with visual noise and glitch effects.

Authors retract Science paper on controversial fMRI method

Several known but usually negligible MRI artifacts contribute to the neuronal activity signal picked up by the method, according to a preprint the authors posted earlier this month.

By Calli McMurray
25 September 2025 | 6 min read
Portrait photograph of Dame Stephanie Shirley.

In memoriam: Stephanie “Steve” Shirley, autism philanthropist

Fueled by business success and her son, she played an outsized role in British autism research.

By Lauren Schneider
25 September 2025 | 6 min read

Ann Kennedy explains the theoretical neuroscience of survival behaviors

The Scripps neuroscientist calls for a broader theoretical neuroscience approach in her area of research, which focuses on how the subcortex bridges life and cognition.

By Paul Middlebrooks
24 September 2025 | 1 min read

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