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
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When autistic kids grow up, Chapter 4: How did things unfold?
Tempest McDonald sues Vanderbilt University through the Equal Employment Opportunity Commission. Her published NIH paper finds allies.
When autistic kids grow up, Chapter 4: How did things unfold?
Tempest McDonald sues Vanderbilt University through the Equal Employment Opportunity Commission. Her published NIH paper finds allies.
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Brady Huggett
25 June 2026 | 27 min listen
NeuroDev study maps previously unseen genetic variation in Africa
The project is helping to fill critical gaps in the genetic underpinnings of autism and other neurodevelopmental conditions.
NeuroDev study maps previously unseen genetic variation in Africa
The project is helping to fill critical gaps in the genetic underpinnings of autism and other neurodevelopmental conditions.
By
Brianna Abbott
25 June 2026 | 5 min read
Cooperating marmosets extend decision-making model of the brain
When a pair of marmosets works together to earn some marshmallow fluff, one of them decides to act only after its brain accumulates enough evidence about what the other is doing, new work shows.
Cooperating marmosets extend decision-making model of the brain
When a pair of marmosets works together to earn some marshmallow fluff, one of them decides to act only after its brain accumulates enough evidence about what the other is doing, new work shows.
By
Calli McMurray
24 June 2026 | 1 min watch