Excitatory signaling

Recent articles

Research image of mouse brain slices.

Newfound gene network controls long-range connections between emotional, cognitive brain areas

The finding could help unravel gene regulatory networks and explain how genetic and environmental factors interact in neurodevelopmental conditions.

By Charles Q. Choi
14 November 2024 | 4 min read
Research image of different interneuron subtypes responding to the absence of pyramidal neurons in the mouse cortex.

As circuits wire up, interneurons take cues from surrounding cells

The inhibitory cells’ development, diversity and abundance in the cortex is directed in part by pyramidal cells, a new preprint suggests.

By Olivia Gieger
14 August 2024 | 5 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
Research image of a chimeroid.

Brain ‘chimeroids’ reveal person-to-person differences rooted in genetics

These fusions created from multiple donors’ organoids may help scale up comparative brain research.

By Charles Q. Choi
5 July 2024 | 4 min read
Research image of excitatory synapses in the prefrontal cortex.

Synaptic anomalies in autistic people support imbalance hypothesis

Increased excitatory and decreased inhibitory synapses in the prefrontal cortex of autistic people suggest broader impacts on brain function and connectivity.

By Giorgia Guglielmi
27 June 2024 | 4 min read
Research image of enteric neurons in zebrafish.

Opioid receptors may guide formation of gut nervous system in zebrafish

Fish lacking functional copies of the receptors have fewer enteric neurons than usual, but the findings await further validation.

By Olivia Gieger
26 June 2024 | 4 min read
Research image of antisense oligonucleotides.

RNA drug corrects calcium signaling in chimeric model of Timothy syndrome

The drug, tested in rats that have human neurons, could enter clinical testing as early as next year, researchers say.

By Katie Moisse
24 April 2024 | 5 min read
A research image of autism-linked genes.

Autism-linked perturbations converge on cell skeleton and RNA-binding proteins

The findings solidify the idea that autism-linked mutations affect brain activity by way of several key shared mechanisms.

By Giorgia Guglielmi
29 February 2024 | 4 min read
Research image of various types of cells.

Vast diversity of human brain cell types revealed in trove of new datasets

The collection offers a glimpse into differences in cell composition — across people and brain regions — that may shape neural function.

By Angie Voyles Askham
12 October 2023 | 7 min listen
A research image of a mouse hippocampus

Some social issues in DYRK1A model mice stem from faulty inhibitory circuits

Alterations in inhibitory circuits and difficulties in social recognition characterize mice missing one copy of DYRK1A, a gene linked to autism.

By Giorgia Guglielmi
11 October 2023 | 4 min read

Explore more from The Transmitter

Illustration of a funnel taking abstract shapes in at the top and spouting an organized flow of shapes out at the bottom.

To keep or not to keep: Neurophysiology’s data dilemma

An exponential growth in data size presents neuroscientists with a significant challenge: Should we be keeping all raw data or focusing on processed datasets? I asked experimentalists and theorists for their thoughts.

By Nima Dehghani
25 November 2024 | 5 min read
Piggy bank with half of its body replaced by a brain.

Neuroscientists reeling from past cuts advocate for more BRAIN Initiative funding

The director of the U.S. National Institutes of Health calls BRAIN a “high priority” but acknowledges that difficult decisions lie ahead if federal budgets remain flat.

By Angie Voyles Askham
22 November 2024 | 5 min read
A repeating pattern of orange butterflies against a blue background.

‘Huge influx’ of neuroscientists migrates to Bluesky

Daily neuroscience-related posts on the social-media platform this week have increased more than 400 percent, on average, compared with October.

By Calli McMurray
21 November 2024 | 5 min read