Neuroscience
- 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.
- Neuroscience
Left brain stands guard while sleeping away from home
Part of the left hemisphere stands sentry while the rest of the brain and body snooze.
- Neuroscience
Spinal cord work-around reanimates paralyzed hand
A neural prosthesis can bypass a severed spinal cord, allowing a paralyzed hand to once again move.
- Neuroscience
Lip-readers ‘hear’ silent words
Lipreading prompts activity in the brain’s listening area.
- Neuroscience
Hippocampus makes maps of social space, too
The hippocampus is a multitalented mapmaker.
