Nerve cells in an important memory center in the brain sync their firing and create fast ripples of activity seconds before a recollection resurfaces. Source: https://www.sciencenews.org/article/electrodes-show-glimpse-memories-emerging-brain4…
Tag: Body&Brain/Neuroscience
Alzheimer’s targets brain cells that help people stay awake
Nerve cells in the brain that are tied to wakefulness are destroyed in people with Alzheimer’s, a finding that may refocus dementia research. Source: https://www.sciencenews.org/article/alzheimers-targets-brain-cells-help-people-stay-awake4…
Even without concussions, just one football season may damage players’ brains
A group of college football players underwent brain scans after a season of play. The results suggest the sport could impact neural signaling. Source: https://www.sciencenews.org/article/without-concussions-one-football-season-may-damage-brains4…
Plants don’t have feelings and aren’t conscious, a biologist argues
The rise of the field of “plant neurobiology” has this scientist and his colleagues pushing back. Source: https://www.sciencenews.org/article/plants-dont-have-feelings-and-arent-conscious-biologist-argues4…
A frog study may point to where parenting begins in the brain
Two brain regions, including one active in mammal parents, lit up with activity in both male and female poison frogs when caring for their tadpoles. Source: https://www.sciencenews.org/article/frog-study-may-point-where-parenting-begins-brain4…
Boosting a gut bacterium helps mice fight an ALS-like disease
Gut bacteria may alter ALS symptoms for good or ill. Source: https://www.sciencenews.org/article/boosting-gut-bacterium-helps-mice-fight-als-disease4…
Manipulating nerve cells makes mice ‘see’ something that’s not there
Using optogenetics to stimulate about 20 nerve cells causes mice to perceive nonexistent vertical or horizontal lines. Source: https://www.sciencenews.org/article/manipulating-nerve-cells-makes-mice-see-something-not-there4…
Tiny glasses help reveal how praying mantises can see in 3-D
Newfound nerve cells in praying mantises help detect different views that each of the insects’ eyes sees, a mismatch that creates depth perception. Source: https://www.sciencenews.org/article/tiny-glasses-praying-mantis-3d-vision-nerve-cells4…
Both fish and humans have REM-like sleep
Sleeping zebrafish have brain and body activity similar to snoozing mammals, suggesting that sleep evolved at least 450 million years ago. Source: https://www.sciencenews.org/article/both-fish-and-humans-have-rem-sleep4…
A 100-hour MRI scan captured the most detailed look yet at a whole human brain
Researchers report ultraprecise imaging of a postmortem human brain. Source: https://www.sciencenews.org/article/mri-scan-most-detailed-look-yet-whole-human-brain4…