Infographic: How the Brain Keeps Track of Time in Memories
Infographic: How the Brain Keeps Track of Time in Memories
Signals from the lateral entorhinal cortex help create “time cells” in the hippocampus, according to some researchers.
Infographic: How the Brain Keeps Track of Time in Memories
Infographic: How the Brain Keeps Track of Time in Memories

Signals from the lateral entorhinal cortex help create “time cells” in the hippocampus, according to some researchers.

Signals from the lateral entorhinal cortex help create “time cells” in the hippocampus, according to some researchers.

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Cortical Neurons May Consolidate Memories During Slow Wave Sleep
Cortical Neurons May Consolidate Memories During Slow Wave Sleep
Emma Yasinski | Oct 18, 2019
Scientists previously thought cortical neurons remained silent during delta waves, but new evidence from rats shows some cells fire in a pattern reflective of memorizing a task.
Image of the Day: Mind Altering
Image of the Day: Mind Altering
Carolyn Wilke | Mar 11, 2019
A study in rats finds that tiny doses of the psychedelic drug DMT may yield positive effects for anxiety and depression, but there could be downsides too.
Rat Study Points to Role of Uterus in Memory
Rat Study Points to Role of Uterus in Memory
Carolyn Wilke | Dec 7, 2018
When researchers removed the reproductive organ, female rats had more difficulty solving a water maze.
Cannabinoid Exposure During Adolescence Disrupts Neural Regulation
Cannabinoid Exposure During Adolescence Disrupts Neural Regulation
Jef Akst | Nov 6, 2018
Young rats injected with a synthetic cannabinoid have more of the brain’s motivating dopaminergic signaling and fewer numbers of inhibitory neurons than controls.
Maternal Obesity and Diabetes Linked to Autism in Children
Maternal Obesity and Diabetes Linked to Autism in Children
Sukanya Charuchandra | Oct 1, 2018
Inflammation may be a strong contender for the connection between mom’s weight and children’s neurodevelopment, according to lab studies on animals.
Stressed Rodents Make Different Choices
Stressed Rodents Make Different Choices
Katarina Zimmer | Feb 28, 2018
Chronic stress tweaks a circuit in the brain that influences how lab rodents make tough decisions. 
Paradise Regained: How the Palmyra Atoll Got Rid of Invasive Mosquitoes
Paradise Regained: How the Palmyra Atoll Got Rid of Invasive Mosquitoes
Ruth Williams | Feb 28, 2018
The elimination of the biting pests was an added bonus after researchers unleashed a rat-eradication endeavor on the tiny islands.  
CDC Identifies Seoul Virus Outbreak Among Pet Rat Owners
CDC Identifies Seoul Virus Outbreak Among Pet Rat Owners
Diana Kwon | Feb 5, 2018
These are the first known cases of individuals catching the virus from their pets in Canada or the U.S.
CRISPR Helps Mice Hear
CRISPR Helps Mice Hear
Abby Olena | Dec 20, 2017
Researchers reduce the severity of hereditary deafness in mice with the delivery of CRISPR-Cas9 protein-RNA complexes that inactivate a mutant gene in their inner ears.