Neural circuits

Recent articles

Illustration of a musical staff with notes represented by neurons.

This paper changed my life: Abigail Person on birdsong, feed-forward circuits and convergent computations

By isolating specific neuron types involved in zebra finch birdsong, this 2002 Nature paper from Michael Fee and colleagues revealed elegant neural mechanisms controlling the timing of natural learned behavior.

By Abigail Person
12 August 2025 | 6 min listen
Book cover for Bird Brains and Behavior: A Synthesis, showing several bird species.

‘Bird Brains and Behavior,’ an excerpt

In their new book, published today, Georg Striedter and Andrew Iwaniuk dive deep into the latest research on the neural mechanisms of avian behavior. This excerpt from Chapter 2 explores how birds sleep.

By Andrew Iwaniuk, Georg Striedter
5 August 2025 | 9 min read
Research image of developing axons in the fly brain.

How developing neurons simplify their search for a synaptic mate

Streamlining the problem from 3D to 1D eases the expedition—a strategy the study investigators deployed to rewire an olfactory circuit in flies.

By Calli McMurray
6 June 2025 | 7 min listen
Research image of connectivity in the fly brain.

Connectomics 2.0: Simulating the brain

With a complete fly connectome in hand, researchers are taking the next step to model how brain circuits fuel function.

By Laura Dattaro
2 May 2025 | 11 min read
Research image of red and blue light emitted from the Neuropixels Opto probe.

‘Perturb and record’ optogenetics probe aims precision spotlight at brain structures

The tool provides a new way to characterize cells and study neuronal circuits.

By Claudia López Lloreda
29 April 2025 | 4 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 listen
Research image of an assembloid.

Organoids and assembloids offer a new window into human brain

These sophisticated 3D cultures reveal previously inaccessible stages of human brain development and enable the systematic study of disease genes.

By Sergiu P. Pasca
31 March 2025 | 7 min read
Abstract illustration of overlapping lines.

Claims of necessity and sufficiency are not well suited for the study of complex systems

The earliest studies on necessary and sufficient neural populations were performed on simple invertebrate circuits. Does this logic still serve us as we tackle more sophisticated outputs?

By Grace Lindsay
7 February 2025 | 6 min read
Four microphones on a table with speech bubbles above them.

The Transmitter’s favorite podcasts of 2024

Our picks include a deep dive into dopamine, the role of PKMzeta in memory, and studying the stomatogastric ganglion.

By The Transmitter
23 December 2024 | 1 min read
Research image of brain circuits.

Novel neurons upend ‘yin-yang’ model of hunger, satiety in brain

The new type of leptin-sensitive cells curb hunger quickly—adding to an increasingly complex picture of brain circuits that control feeding behaviors.

By Giorgia Guglielmi
9 December 2024 | 5 min read

Explore more from The Transmitter

Chris Rozell explains how brain stimulation and AI are helping to treat mental disorders

Rozell and his colleagues, using deep brain stimulation and explainable artificial intelligence, have developed tools to help people with treatment-resistant depression.

By Paul Middlebrooks
13 August 2025 | 1 min read
Research image of mouse auditory brainstems.

Prosocial effects of oxytocin are state dependent; and more

Here is a roundup of autism-related news and research spotted around the web for the week of 11 August.

By Jill Adams
12 August 2025 | 2 min read
A series of colored rectangles in a cosmos-like black space.

The challenge of defining a neural population

Our current approach is largely arbitrary. We need new methods for grouping cells, ideally by their dynamics.

By Mark Humphries
11 August 2025 | 9 min listen