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Hamster pups sleep on sawdust bedding.
Unveiling the Mysteries of Hibernation and Torpor
Neuroscientist Siniša Hrvatin explores how animals initiate and regulate states of dormancy.
Unveiling the Mysteries of Hibernation and Torpor
Unveiling the Mysteries of Hibernation and Torpor

Neuroscientist Siniša Hrvatin explores how animals initiate and regulate states of dormancy.

Neuroscientist Siniša Hrvatin explores how animals initiate and regulate states of dormancy.

hypothalamus, neuroscience

Illustration of a web of dark blue neurons with a purple glow at the center of each neuron.
How the Brain Hits the Brakes on Aging 
Aparna Nathan, PhD | Mar 18, 2024 | 4 min read
Neurons linked to metabolic processes slow aging in mice.
Like many animals, field mice (<em >Apodemus agrarius</em>) fight to protect their territories.
Mouse Brain Cells Activate When They Witness a Fight
Mariella Bodemeier Loayza Careaga, PhD | Jun 1, 2023 | 2 min read
A subset of hypothalamic neurons mirrors aggression in mice, challenging previous views on the location and functional role of these cells.
A cross-section of a mouse hypothalamus, where cells of the arcuate nucleus are shown in bright green at the bottom.
Methylation in Young Brains May Be Key to Obesity: Mouse Study
Alejandra Manjarrez, PhD | Oct 19, 2022 | 4 min read
Epigenetic events, such as methylation, during early brain development in mice occur in genomic regions associated with BMI in humans, according to a new study.
Drawing of a mouse scratching itself after watching a video of a different mouse scratching itself.
Specialized Brain Circuit Makes Mice Itchy When They See Others Scratch
Dan Robitzski | Oct 12, 2022 | 4 min read
A previously undetected pathway in the mouse brain bypasses the visual cortex to directly activate contagious itch.
Newborn baby rats lie in a basket
Mother’s Circadian Rhythms Mirrored in Fetal Rat Brains
Bianca Nogrady | Sep 12, 2022 | 2 min read
Before their own central clocks develop, the brains of fetal rats detect their mother’s metabolic cycle to help regulate the expression of certain genes.
Discovered: Brain Cells that Control Hibernation-Like States
Ruth Williams | Jun 11, 2020 | 3 min read
Two independent teams identify neuron populations in the mouse brain that regulate the physiological changes associated with torpor.
a mouse on an exercise wheel
Early Epigenetic Changes Regulate Voluntary Exercise in Mice: Study
Emma Yasinski | Dec 7, 2019 | 3 min read
Altering DNA methylation in a particular area of the hypothalamus halved the animals’ voluntary exercise as adults.
Exercise Warms the Brain, Causing Mice to Eat Less
Kerry Grens | Apr 24, 2018 | 1 min read
Directly activating a heat sensor also sensitive to capsaicin in chili peppers in the hypothalamus had the same effect as exercise.
Infographic: Searching for the Neural Basis of Gender
Shawna Williams | Feb 28, 2018 | 1 min read
Brain studies have yielded a mixed picture of the neural similarities and differences between people of different genders.
Stem Cells in the Hypothalamus Slow Aging in Mice
Ashley P. Taylor | Jul 26, 2017 | 4 min read
Once implanted into animals’ brains, neural stem cells that secrete microRNA-containing vesicles seem to contribute to an anti-aging effect.
Binge-Eating Neurons Identified
Jef Akst | May 26, 2017 | 1 min read
Inducing activity in the zona incerta region of the brain prompts mice to gorge themselves.
Neuroscience of Marijuana Munchies
Ruth Williams | Feb 18, 2015 | 3 min read
Cannabinoids cause appetite-suppressing neurons to produce an appetite-stimulating hormone in mice.
Sex, Deconstructed
Megan Scudellari | Feb 2, 2012 | 3 min read
Hormones in the brain control sex-specific behaviors by activating individual genetic programs.
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