19 marzo 2015
The spinal cord transmits pain signals to the brain, where they are consciously perceived. But not all the impulses arrive at their destination: Certain neurons act as checkpoints and determine whether a pain signal is relayed or not. Researchers have identified these neurons and their connections. Moreover, they developed means to specifically activate these neurons, which reduces not only pain — but astonishingly also alleviates itch.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/UfG4Av52h5k/150319075826.htm
