Maris Fessenden is a freelance journalist and illustrator based in Bozeman, Montana. They report and write about scientific methods, genetics, health, wildlife and ecology, and the intersection of science and art.
Maris Fessenden
Contributing writer
Freelance
From this contributor
Lightweight system captures brain activity while mice jump
A thin “micro-tether” and rotating connector facilitate uninterrupted, hours-long neural population recordings as the animals freely explore their environment.
Lightweight system captures brain activity while mice jump
By
Maris Fessenden
26 September 2023 | 3 min read
Atlas of developing brain reveals rainbow of cell types
An online resource reveals all major cell types in the developing human brain during the period in which autism is thought to arise.
Atlas of developing brain reveals rainbow of cell types
By
Maris Fessenden
20 September 2019 | 2 min read
New method dramatically scales up mapping of active genes in cells
A new technique enables scientists to isolate, and chart gene expression in, tens of thousands of cells at once.
New method dramatically scales up mapping of active genes in cells
By
Maris Fessenden
23 August 2019 | 2 min read
Online platform offers one-stop shop for studying brain circuits
A browser-based platform simulates functional neuronal circuits in the brain regions of several species.
Online platform offers one-stop shop for studying brain circuits
By
Maris Fessenden
2 August 2019 | 2 min read
Database, lab tricks may crack secrets of the synapse
Two new resources may aid the study of synapses, the junctions between neurons.
Database, lab tricks may crack secrets of the synapse
By
Maris Fessenden
19 July 2019 | 2 min read
Explore more from The Transmitter
Still no proof for facilitated spelling methods
A systematic review into whether the “rapid prompting method” or “spelling to communicate” can help autistic people express themselves comes up empty yet again.
Still no proof for facilitated spelling methods
A systematic review into whether the “rapid prompting method” or “spelling to communicate” can help autistic people express themselves comes up empty yet again.
By
Brendan Borrell
21 May 2026 | 6 min read
Oregon primate center scientists fight proposed sanctuary transition
A group of employees has launched a series of campaigns to advocate for their work and argue against the center’s potential transition to an animal sanctuary.
Oregon primate center scientists fight proposed sanctuary transition
A group of employees has launched a series of campaigns to advocate for their work and argue against the center’s potential transition to an animal sanctuary.
By
Calli McMurray
21 May 2026 | 6 min read
When autistic kids grow up
An autistic researcher’s paper called attention to a huge disparity in autism funding research between children and adults. It nearly derailed her life.
When autistic kids grow up
An autistic researcher’s paper called attention to a huge disparity in autism funding research between children and adults. It nearly derailed her life.
By
Brady Huggett
20 May 2026 | 2 min listen