Studies have demonstrated that magnetic and electrical currents can enhance memory in human subjects, but the technology is not yet ready for prime time.
Precisely timed electrical stimulation and intensive rehabilitation restore some capacity to walk among three men more than four years after their debilitating injuries.
In a condition called mechanical allodynia, when everyday activities exact misery, the same neurons that ordinarily transmit normal touch are involved in feelings of pain.
In a longitudinal study, researchers find that elderly people with higher pressure were more likely to show signs of Alzheimer’s disease in brain tissue.