Nerves
A nervous switch
In 1863 a Heidelberg doctor described a devastating neurodegenerative condition that causes children to forget how to walk and talk before their teens.
The symptoms begin with muscle weakness, poor balance and a slurring of speech, and develop into a gradual breakdown in all motor control.
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Stroking reveals pleasure nerve
A new touch-sensitive nerve fibre responsible for the sense of pleasure experienced during stroking has been described at a UK conference today. The nerves tap into a human’s reward pathways, and could help explain why we enjoy grooming and a good hug, a neuroscientist has explained.
His team used a stroking machine to reveal the [...]
© 2009 Jennifer Carpenter. 
