Calcium imaging

Recent articles

Research image of inputs into a single neuron in the mouse visual cortex.

‘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
Research image of astrocytes in the mouse brain.

Astrocytes in mouse amygdala encode emotional state

The glial cells’ activity reliably tracks with freezing, hesitancy and other behaviors reminiscent of anxiety.

By Holly Barker
24 March 2026 | 4 min read
Gloved hand reaches out to touch a mouse.

This paper changed my life: Ishmail Abdus-Saboor on balancing the study of pain and pleasure

A 2013 Nature paper from David Anderson’s lab revealed a group of sensory neurons involved in pleasurable touch and led Abdus-Saboor down a new research path.

By Ishmail Abdus-Saboor
13 February 2026 | 7 min read

Waves of calcium activity dictate eye structure in flies

Synchronized signals in non-neuronal retinal cells draw the tiny compartments of a fruit fly’s compound eye into alignment during pupal development.

By Lauren Schneider
12 December 2025 | 0 min watch
Concentric circles.

What are the most transformative neuroscience tools and technologies developed in the past five years?

Artificial intelligence and deep-learning methods featured prominently in the survey responses, followed by genetic tools to control circuits, advanced neuroimaging, transcriptomics and various approaches to record brain activity and behavior.

By The Transmitter
15 November 2025 | 14 min read
Speech bubbles and images of a brain overlaid on a globe.

A community-designed experiment tests open questions in predictive processing

More than 50 scientists came together to identify the key missing data needed to rigorously test theoretical models.

By Jérôme Lecoq
12 November 2025 | 6 min read
Judit Pungor and Angelique Allen stand in front of a saltwater tank.

Cephalopods, vision’s next frontier

For decades, scientists have been teased by the strange but inaccessible cephalopod visual system. Now, thanks to a technological breakthrough from a lab in Oregon, data are finally coming straight from the octopus brain.

By Calli McMurray
27 May 2025 | 13 min read
Detailed image of neurons in the mouse visual cortex.

Inhibitory cells work in concert to orchestrate neuronal activity in mouse brain

A cubic millimeter of brain tissue, meticulously sectioned, stained and scrutinized over the past seven years, reveals in stunning detail the role of inhibitory interneurons in brain structure and function.

By Katie Moisse
9 April 2025 | 6 min read
Raphael Yuste leaning on a bench in his lab. A red filter colors the scene.

Releasing the Hydra with Rafael Yuste

Losing HHMI Investigator status prompted Yuste to study neural networks in a new way.

By Brady Huggett, Shaena Montanari
4 April 2025 | 10 min read
Research image of mouse cells.

Immune cell interlopers breach—and repair—brain barrier in mice

The choroid plexus, the protective network of blood vessels and epithelial cells that line the brain’s ventricles, recruits neutrophils and macrophages during inflammation, a new study shows.

By Claudia López Lloreda
20 November 2024 | 6 min read

Explore more from The Transmitter

Thermal image of Danionella fish.

Exclusive: Janelia sunsets rodent work, launches transparent fish project

The Howard Hughes Medical Institute’s Janelia Research Campus is banking on whole-brain imaging in the Danionella fish to advance neuroscience, but some scientists forced to close their labs say that even with a three-year runway and transitional support, they feel betrayed by the pivot.

By Calli McMurray
22 June 2026 | 5 min read
A brain shape outlined in cylindrical dials with multi colored wires stretched between them.

Transforming AI models into useful model organisms

These systems were not built to explain the brain. But treating them as model organisms that we can perturb and evolve will move us closer to that goal.

By Mariya Toneva
22 June 2026 | 6 min read

Cortical area remixes macaques’ knowledge blocks to solve new problems

When monkeys draw complex shapes, their neural activity reflects patterns of activation elicited by drawing simpler, component shapes.

By Lauren Schenkman
19 June 2026 | 0 min watch