Elissa Welle was a news reporter for The Transmitter from 2023 to 2024, where she covered neurodegeneration and a smorgasbord of other basic neuroscience research. Before joining the newsroom in late 2023, she worked as an intern reporter for Reuters, Nature, STAT News and The Detroit Free Press. She has also written for The Chronicle of Higher Education and her alma mater’s student newspaper, The Michigan Daily. Her days as a scientist were spent designing and fabricating tiny electrodes for single-neuron electrophysiology recordings.

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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 | 18 min read
Illustration of cranes attempting to assemble a structure out of very small black squares.

Dopamine and the need for alternative theories

Some experimental findings are inconsistent with the dominant model of reward prediction error, highlighting the need for alternative testable and falsifiable models for dopamine function.

By Vijay Mohan K. Namboodiri
13 September 2024 | 7 min read
Illustration of several structures constructed out of small black squares, with scaffolding on some of the structures.

Does a new theory of dopamine replace the classic model?

My answer would be no, but the model poses challenges that will sharpen our understanding of dopamine and learning.

By Naoshige Uchida
13 September 2024 | 8 min read