A colorized transmission electron microscope image of an oligodendrocyte (blue) surrounded by cells that it coated in myelin (red outlines).
Brain Fluid from Youngsters Gives Old Mice a Memory Boost
A growth factor found in the cerebrospinal fluid of young mice triggered the proliferation of myelin-making cells when injected into the brains of older mice.
Brain Fluid from Youngsters Gives Old Mice a Memory Boost
Brain Fluid from Youngsters Gives Old Mice a Memory Boost

A growth factor found in the cerebrospinal fluid of young mice triggered the proliferation of myelin-making cells when injected into the brains of older mice.

A growth factor found in the cerebrospinal fluid of young mice triggered the proliferation of myelin-making cells when injected into the brains of older mice.

memory

Bee on purple flower
Dopamine Drives Bee Desires: Study
Natalia Mesa | Apr 28, 2022
Like in humans, the neurotransmitter appears to play a role in generating wanting-like behavior and, perhaps, happy memories in honeybees.
Photo of wooden block letters
Distracted Brains Better at Parsing Unfamiliar Languages: Study
Catherine Offord | Apr 4, 2022
People who had cognitive functions depleted by noninvasive brain stimulation or a mentally demanding task could subconsciously recognize individual words in a made-up language more easily than controls, researchers find.
Illustration of gray bacteriophages approaching and infecting a red and orange bacteria that has multiple fimbria protruding from it.
Bacteria-Infecting Viruses in Gut Microbiome Linked to Cognition
Dan Robitzski | Feb 16, 2022
Research in mice and flies suggests that bacteriophages, including those found in dairy foods, may have an influence on an animals’ ability to learn and remember information.
Old man stands in front of tree, smiling at camera.
Neuroscientist Mortimer Mishkin Dies at 94
Lisa Winter | Oct 12, 2021
His work bridged the gap between psychology and neurobiology.
Colored artistic rendition of neurons and plaque buildup
Alzheimer’s Risk Gene Paradoxically Protects Against Memory Loss
Chloe Tenn | Oct 8, 2021
A new study links a variant of the apolipoprotein E gene called APOE ε4 to better memory in older age, even in the presence of amyloid plaques—a possible explanation for the variant’s persistence despite its association with an increased risk of Alzheimer’s disease.
Illustration of a brain on a clock with a figure of a man moving the clock arms
Human “Time Cells” Encode, Process Flow of Time
Anne N. Connor | Oct 1, 2021
Neurons in the hippocampus store information on the timing of experiences in addition to their content, helping to mediate sequential memory recall, a new study shows.
illustration of brain cells in blue with amyloid plaques in orange and pink immune cells
Excerpt from The Memory Thief
Lauren Aguirre | Jun 1, 2021
Author Lauren Aguirre finds reasons for optimism in the fight against Alzheimer’s disease.
Dietary Spermidine Boosts Cognition in Insects and Rodents
Ruth Williams | Apr 15, 2021
Mice and flies given the polyamine in their diet have increased brain cell metabolism and cognitive function, and epidemiological data hints at a similar benefit in humans.
Anesthesia Impairs Memory in Mice
Abby Olena | Apr 1, 2021
A study that compared several anesthetic regimens in rodents showed that only one—inhaled isoflurane—wasn’t detrimental to the activity of neurons in the hippocampus.
animal learning, zebra finch, model organism, communication, fast mapping, individual recognition, cognition, evolution
Zebra Finches Recognize the Calls of Over 40 Fellow Finches
Amanda Heidt | Nov 13, 2020
Their ability to distinguish between individuals is strong evidence for fast mapping, a learning tool generally thought to belong only to humans.
Immune Cell and Its Cytokine Control Exploratory Behavior in Mice
Ashley Yeager | Sep 14, 2020
Gamma delta T cells in the meninges of the brain release a cell signaling molecule that does more than protect mice from microbial pathogens.
Stanford University, psychology, memory, learning, Gordon Bower, human psychology
Human Memory Explorer Gordon Bower Dies
Amanda Heidt | Jul 20, 2020
The Stanford University researcher shared valuable insights into memory and learning during his 49-year career.
Adult-Born Neurons Strengthen Memories While Mice Sleep
Ruth Williams | Jun 4, 2020
The activation of young brain cells in adult mice is necessary not just for forming memories, but consolidating them during rapid eye movement sleep, a study shows.
memory trace conditioning ca1 hippocampal pyramidal neurons
Unexpected Brain Strategy Links Two Events Separated by Time
Alejandra Manjarrez | May 13, 2020
A new study in mice does not find evidence supporting two popular ideas for the mechanism for bridging the temporal time gap between two paired stimuli.
Book Excerpt from The Idea of the Brain
Matthew Cobb | May 1, 2020
In Chapter 10, “Memory," author Matthew Cobb takes readers inside a couple of seminal moments in the scientific search for memory’s mechanics.
Memory in a Time of Quarantine
Bob Grant | May 1, 2020
How will humanity record the unprecedented predicament we find ourselves in?
Is Modern Media Destroying Our Memories?
Jared Cooney Horvath | May 1, 2020
It seems as though the more we embrace external technologies, the more our memory faculties deteriorate. But the truth might just be scarier.
Daniel Colón-Ramos Reveals the Mysteries of Worms’ Memories
Claudia Lopez-Lloreda | May 1, 2020
The Yale neuroscientist seeks to understand the brain’s architecture and function using C. elegans.
Once Is Enough For Long-Term Memory Formation in Bees
Ruth Williams | May 1, 2020
Honeybees can remember reward-associated odors three days after a single learning experience.