Forgotten Memories Brought Back in Mice
Forgotten Memories Brought Back in Mice
By stimulating specific neurons in mouse brains, researchers demonstrate that memories from infancy are not lost, but merely difficult to access.
Forgotten Memories Brought Back in Mice
Forgotten Memories Brought Back in Mice

By stimulating specific neurons in mouse brains, researchers demonstrate that memories from infancy are not lost, but merely difficult to access.

By stimulating specific neurons in mouse brains, researchers demonstrate that memories from infancy are not lost, but merely difficult to access.

learning
New Caledonian Crows Build Tools From Mental Images, Not Lessons
New Caledonian Crows Build Tools From Mental Images, Not Lessons
Sukanya Charuchandra | Jun 29, 2018
When it comes to tool making, the birds learn differently than humans.
Image of the Day: Older and Wiser
Image of the Day: Older and Wiser
Sukanya Charuchandra | Jun 8, 2018
As the years go by, seabirds such as gannets get better at foraging.  
What Made Human Brains So Big?
What Made Human Brains So Big?
Ashley Yeager | May 24, 2018
Ecological challenges such as finding food and creating fire may have led the organ to become abnormally large, a new computer model suggests.
Could a Dose of Sunshine Make You Smarter?
Could a Dose of Sunshine Make You Smarter?
Ruth Williams | May 17, 2018
Moderate ultraviolet light exposure boosts the brainpower of mice thanks to increased production of the neurotransmitter glutamate.  
Abundant Neurogenesis Found in Adult Humans’ Hippocampi
Abundant Neurogenesis Found in Adult Humans’ Hippocampi
Ashley Yeager | Apr 5, 2018
Researchers identified thousands of immature neurons in the brain region, countering a recent result showing little, if any, signs of neurogenesis.
Study Finds No Neurogenesis in Adult Humans’ Hippocampi
Study Finds No Neurogenesis in Adult Humans’ Hippocampi
Ashley Yeager | Mar 7, 2018
Failure to produce evidence of neural precursor cells and immature neurons raises questions about the role of the process in learning and memory.
Learning Opens the Genome
Learning Opens the Genome
Ruth Williams | Jan 17, 2018
Researchers map learning-induced chromatin alterations in mouse brain cells, and find that many affect autism-associated genes.
Study Pinpoints Potential “Master Regulator” of Age-Related Cognitive Decline
Study Pinpoints Potential “Master Regulator” of Age-Related Cognitive Decline
Shawna Williams | Dec 18, 2017
Upping a gene’s expression in rat brains made them better learners and normalized the activity of hundreds of other genes to resemble the brains of younger animals.
Image of the Day: Fear Center
Image of the Day: Fear Center
The Scientist Staff | Oct 26, 2017
A set of neurons in the brain’s central amygdala plays a key role in forming memories of aversive experiences, scientists find in mice.