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
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
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
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
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
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Body state, sensory signals commingle in mouse whisker cortex
The new study challenges a long-held view that the barrel cortex exclusively encodes sensory signals from the whiskers.
Body state, sensory signals commingle in mouse whisker cortex
The new study challenges a long-held view that the barrel cortex exclusively encodes sensory signals from the whiskers.
‘Bird Brains and Behavior,’ an excerpt
In their new book, published today, Georg Striedter and Andrew Iwaniuk dive deep into the latest research on the neural mechanisms of avian behavior. This excerpt from Chapter 2 explores how birds sleep.

‘Bird Brains and Behavior,’ an excerpt
In their new book, published today, Georg Striedter and Andrew Iwaniuk dive deep into the latest research on the neural mechanisms of avian behavior. This excerpt from Chapter 2 explores how birds sleep.
Itch in a mouse model of autism; and more
Here is a roundup of autism-related news and research spotted around the web for the week of 4 August.

Itch in a mouse model of autism; and more
Here is a roundup of autism-related news and research spotted around the web for the week of 4 August.