Neuroscience

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 that strengthened ...

Medical research

'Optogenetics' used to control reward-seeking behavior

Using a combination of genetic engineering and laser technology, researchers at the University of North Carolina at Chapel Hill have manipulated brain wiring responsible for reward-seeking behaviors, such as drug addiction. ...

Neuroscience

Neural circuit location of strong sense of discomfort found

Researchers have identified a new neural circuit in the brain which produces a strong sense of discomfort when activated. The discovery also allows them to show for the first time that the subthalamic nucleus, a structure ...

Neuroscience

Unraveling the mysteries of the brain with the help of a worm

Do we really know how the brain works? In the last several decades, scientists have made great strides in understanding this fantastically complex organ. Scientists now know a great deal about the brain's cellular neurobiology ...

page 1 from 4