News tagged with brain function

Older adults have morning brains

Older adults who are tested at their optimal time of day (the morning), not only perform better on demanding cognitive tasks but also activate the same brain networks responsible for paying attention and suppressing distraction ...

Aug 06, 2014
popularity 4.2 / 5 (5) | comments 0

Do we really only use 10% of our brain?

As the new film Lucy, starring Scarlett Johansson and Morgan Freeman is set to be released in the cinemas this week, I feel I should attempt to dispel the unfounded premise of the film – that we only use 10% of our brains ...

Aug 01, 2014
popularity 4.6 / 5 (7) | comments 2

Making people smarter through brain stimulation

Brain stimulation used to be just a cool idea in science fiction movies, novels and other hard to believe tales when human subjects were stimulated using electrical currents and achieved near super-human ...

Jul 16, 2014
popularity 4.7 / 5 (6) | comments 1

Blame it on the astrocytes

In the brains of all vertebrates, information is transmitted through synapses, a mechanism that allows an electric or chemical signal to be passed from one brain cell to another. Chemical synapses, which are the most abundant ...

Jul 11, 2014
popularity 3.5 / 5 (2) | comments 0

Short sleep, aging brain

Researchers at Duke-NUS Graduate Medical School Singapore (Duke-NUS) have found evidence that the less older adults sleep, the faster their brains age. These findings, relevant in the context of Singapore's ...

Jul 01, 2014
popularity 4.4 / 5 (18) | comments 1