Jaclyn Jeffrey-Wilensky

Data Reporter

Jaclyn Jeffrey-Wilensky analyzes data and writes data-driven news stories for Spectrum.

Prior to joining the Spectrum team, she covered health, science and general news for the Daily Beast, NBC News MACH, Gothamist and other publications. She has an M.A. from the Craig Newmark Graduate School of Journalism at the City University of New York, where she studied data journalism and health and science reporting.

From this contributor

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New projectome captures ‘complex beast’ of serotonin system in mice

The whole-brain map—the first of its kind in a vertebrate—identifies five distinct neuron groups.

By Madeline Shaw
2 October 2026 | 0 min watch
Research image showing a grid of MRI images.

Silent, motion-resistant fMRI expands scans in behaving mice

The method, called SORDINO, captures brain images in animals while they move and interact.

By Diana Kwon
2 October 2026 | 5 min read
Illustration of DNA with genetic code.

Autism-linked variants converge on two molecular patterns in mouse brains

Gene activity across 17 autism mouse models occurs in either of two opposing transcriptomic states, supporting the idea that diverse genetic changes may converge on a few recurring biological patterns.

By Giorgia Guglielmi
1 October 2026 | 4 min read