Sympathetic nervous system

Recent articles

Research image of a lamprey.

New look at lampreys rewrites textbooks on origins of sympathetic nervous system

Sympathetic neurons pepper the embryos of the jawless fish—Earth’s first vertebrates—and overturn the idea that “fight or flight” was an innovation of jawed vertebrates.

By Shaena Montanari
17 April 2024 | 4 min read

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Brainstem neurons add new element to ‘already complex’ anxiety circuitry

Precise optogenetic modulation of a medullary neuron population reveals their role in anxiety-like behaviors.

By Sarah Thau
19 August 2026 | 0 min watch
Illustration of an open journal featuring lines of text and small illustrations of eyes and mouths.

Links between tuberous sclerosis complex and autism, and more

Here is a roundup of autism-related news and research spotted around the web for the week of 17 August.

By Jill Adams
18 August 2026 | 1 min read