Neuroscience
- Neuroscience
Wiping out gut bacteria impairs brain
Antibiotics that wiped out gut bacteria curbed brain cell production in mice, a new study finds.
- Health & Medicine
Math offers new view of brain and its disorders
Editor in chief Eva Emerson discusses new insights into the brain's role in mental illness, sleep, and ancient rituals.
- Neuroscience
Bayesian reasoning implicated in some mental disorders
An 18th century math theory may offer new ways to understand schizophrenia, autism, anxiety and depression.
- Neuroscience
Brain waves in REM sleep help store memories
Mice with disturbed REM sleep show memory trouble.
- Neuroscience
Social area of the brain sets threat level of animals
How people perceive an animal’s danger level is encoded in a particular wrinkle of cortex, a brain scan study suggests.
- Neuroscience
A breakdown product, not ketamine, may ease depression
Ketamine’s breakdown product, not the drug itself, eases depression, a mouse study suggests.
- Neuroscience
Evidence conflicts on iron’s role in Parkinson’s disease
Experiments yield conflicting results about whether vulnerable nerve cells have too much or too little iron.
- Animals
Dragons sleep like mammals and birds
Some lizards may sleep in the same way as mammals and birds, a new brain wave study finds.
- Neuroscience
Ions may be in charge of when you sleep and wake
The recipe for sleep and wake may depend on ions.
- Neuroscience
Words’ meanings mapped in the brain
Language isn’t just confined to one region of the brain: The meaning of words spark activity all over the cerebral cortex.
- Science & Society
Findings on wobbly memories questioned
In contrast to older studies, new results suggest that new memories don’t interfere with older, similar ones.
- Life
Uncertainty is stressful, but that’s not always a bad thing
Life is full of stressful, ambiguous situations. But a new study shows that the ones we can predict stress us out less, and may even help us learn.
