News tagged with stimulant

Histamine control of Tourette syndrome

(Medical Xpress)—Like narcolopsy, Tourettes syndrome is as much an enigma to the neuroscientists that study it, as it is to its sufferers. To say that we really understand nothing about how diseases like ...

Jan 17, 2014
popularity 3.9 / 5 (7) | comments 3 | with audio podcast report

Imaging the magnetically stimulated brain

(Medical Xpress)—MRI scanners have steadily increased in power, giving researchers ever finer-grained snapshots of the brain in action. However just as modern day fighters can pull high G turns that would ...

Nov 19, 2013
popularity 4.8 / 5 (6) | comments 0 | with audio podcast report

Aging brains aren't necessarily declining brains

For years, conventional wisdom held that growing older tends to be bad news for brains. Past behavioral data largely pointed to loss in cognitive – that is, thinking – abilities with age, including poorer ...

Nov 03, 2014
popularity 4.4 / 5 (25) | comments 0

Making artificial vision look more natural

In laboratory tests, researchers have used electrical stimulation of retinal cells to produce the same patterns of activity that occur when the retina sees a moving object. Although more work remains, this ...

Jun 05, 2014
popularity 5 / 5 (5) | comments 0

How to erase a memory—and restore it

Using a flash of light, scientists have inactivated and then reactivated a memory in genetically engineered rats. The study, supported by the National Institutes of Health, is the first cause-and-effect evidence ...

Jun 01, 2014
popularity 5 / 5 (8) | comments 1