Electrophysiology

Recent articles

Illustration of distorted lines of different colors being pulled into a box where they are smoothed in a single multicolored line.

Averaging is a convenient fiction of neuroscience

But neurons don’t take averages. This ubiquitous practice hides from us how the brain really works.

By Mark Humphries
23 September 2024 | 7 min read
Illustration of cranes attempting to assemble a structure out of very small black squares.

Reconstructing dopamine’s link to reward

The field is grappling with whether to modify the long-standing theory of reward prediction error—or abandon it entirely.

By Angie Voyles Askham
13 September 2024 | 20 min listen
Illustration of a neuron with cardinal directions superimposed over it as on a compass.

Neurons’ spikes may convey their whereabouts

The time lag between spurts of activity holds anatomical information, according to a preprint.

By Holly Barker
23 August 2024 | 4 min read
Illustration of a single digitally rendered figure wandering a fragmented and distorted virtual environment.

Nonsense correlations and how to avoid them

This statistical error is common in systems neuroscience. Fortunately, straightforward methods can help you prevent it.

By Kenneth Harris
12 August 2024 | 6 min listen
Research image of data from electrode arrays inserted into mice.

10 standards for brain electrode-array recordings enhance reproducibility

Electrophysiology findings can vary widely from lab to lab, even among those using identical protocols. New guidelines set forth in a preprint should help.

By Elissa Welle
12 July 2024 | 5 min read
Research image of neurons in the rat olfactory bulb.

Neurons in rat olfactory bulb ‘feel the pulse’

Mechanical receptors can detect intracranial pressure changes caused by blood flow, which enables neurons to synchronize with the heartbeat.

By Calli McMurray
26 March 2024 | 6 min read
Human head drawn in profile, brain area is red and connected to words spelled out in connected lines with nodes.

Individual neurons tune to complex speech sounds and cues

Neuropixels arrays implanted in people reveal nuances of speech perception and production that confirm results from brain-surface recordings and can even predict what someone is about to say.

By Elissa Welle
15 March 2024 | 7 min read
Black-and-white photograph of William Catterall in a lab.

The legacy of William Catterall, ‘father of ion channels’

Catterall, who characterized the structure, function and regulation of sodium and calcium channels crucial for neuronal excitability, died last month at the age of 77.

By Calli McMurray
12 March 2024 | 7 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 research image of neuronal dendrites in mice.

Top autism-linked genes join forces to shape synaptic plasticity

The protein products of ANK2 and SCN2A interact to regulate dendritic excitability.

By Holly Barker
29 January 2024 | 5 min read

Explore more from The Transmitter

Illustration of two neon-toned sets of concentric circles overlapping, with bright spots where they intersect.

Are Brains and AI Converging?—an excerpt from ‘ChatGPT and the Future of AI: The Deep Language Revolution’

In his new book, to be published next week, computational neuroscience pioneer Sejnowski tackles debates about AI’s capacity to mirror cognitive processes.

By Terrence Sejnowski
21 October 2024 | 12 min read

New tissue-clearing techniques let microscopes peer deeper into living brains

Washing mouse brain tissue with a blood protein or complex sugar can illuminate cells 550 micrometers into the cortex without compromising its normal physiology.

By Calli McMurray
18 October 2024 | 0 min watch
A younger looking set of hands holds an older looking set of hands.

New catalog charts familial ties from autism to 90 other conditions

The research tool reveals associations stretching across three generations.

By Charles Q. Choi
17 October 2024 | 4 min read