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
Neuroscience needs single-synapse studies
Studying individual synapses has the potential to help neuroscientists develop new theories, better understand brain disorders and reevaluate 70 years of work on synaptic transmission plasticity.
Neuroscience needs single-synapse studies
Studying individual synapses has the potential to help neuroscientists develop new theories, better understand brain disorders and reevaluate 70 years of work on synaptic transmission plasticity.
By
Seth Grant
17 February 2026 | 5 min read
New insights on sex bias in autism, and more
Here is a roundup of autism-related news and research spotted around the web for the week of 16 February.
New insights on sex bias in autism, and more
Here is a roundup of autism-related news and research spotted around the web for the week of 16 February.
By
Jill Adams
17 February 2026 | 2 min read
Neuroscience has a species problem
If our field is serious about building general principles of brain function, cross-species dialogue must become a core organizing principle rather than an afterthought.
Neuroscience has a species problem
If our field is serious about building general principles of brain function, cross-species dialogue must become a core organizing principle rather than an afterthought.
By
Nanthia Suthana
16 February 2026 | 7 min read