As we sleep, speedy brain waves boost our ability to learn (w/ Video)
(PhysOrg.com) -- Scientists have long puzzled over the many hours we spend in light, dreamless slumber. But a new study from the University of California, Berkeley, suggests we're busy recharging our brain's ...
Moderate aerobic exercise in older adults shown to modify brain hippocampus, improve memory
A new study shows that one year of moderate physical exercise can increase the size of the brain's hippocampus in older adults, leading to an improvement in spatial memory.
Smart rat 'Hobbie-J' produced by over-expressing a gene that helps brain cells communicate
Over-expressing a gene that lets brain cells communicate just a fraction of a second longer makes a smarter rat, report researchers from the Medical College of Georgia and East China Normal University.
New brain nerve cells key to stress resilience, researchers find
UT Southwestern Medical Center researchers have found new clues that might help explain why some people are more susceptible to stress than others.
Alzheimer's researchers find high protein diet shrinks brain
One of the many reasons to pick a low-calorie, low-fat diet rich in vegetables, fruits, and fish is that a host of epidemiological studies have suggested that such a diet may delay the onset or slow the progression of Alzheimer's ...
Birds in captivity lose hippocampal mass
(PhysOrg.com) -- Being in captivity for just a few weeks can reduce the volume of the hippocampus by as much as 23 percent, according to a new Cornell study.
Meditation increases brain gray matter
Push-ups, crunches, gyms, personal trainers -- people have many strategies for building bigger muscles and stronger bones. But what can one do to build a bigger brain? Meditate.
Study reveals how taking an active role in learning enhances memory
Good news for control freaks! New research confirms that having some authority over how one takes in new information significantly enhances one's ability to remember it. The study, in the journal Nature Ne ...
Virtual driving leads psychologists to the cells that sense direction in the brain: Path cells
Psychologists led by the University of Pennsylvania have used implantable electrodes and a first-person driving game to identify the cells of the brain that indicate travel in a clockwise or counterclockwise ...
Rats' mental 'instant replay' drives next moves
(PhysOrg.com) -- Researchers at MIT’s Picower Institute for Learning and Memory have found that rats use a mental instant replay of their actions to help them decide what to do next, shedding new light on ...
Memories take hold better during sleep: study
The best way to not forget a newly learned poem, card trick or algebra equation may be to take a quick nap, scientists surprised by their own findings reported Sunday.
To make memories, new neurons must erase older ones
Short-term memory may depend in a surprising way on the ability of newly formed neurons to erase older connections. That's the conclusion of a report in the November 13th issue of the journal Cell that provid ...
Research uncovers how antidepressants actually work
(PhysOrg.com) -- Australian researchers at UQ's Queensland Brain Institute have uncovered how antidepressants stimulate the brain to improve a person's mood.
'Mind-reading' experiment highlights how brain records memories
It may be possible to "read" a person's memories just by looking at brain activity, according to research carried out by Wellcome Trust scientists. In a study published today in the journal Current Biology, they show that o ...