How Neuroscience Will Fight Five Age-Old Afflictions
From: Popular Science - 03/2013 - page 34
By: Virginia Hughes

Rewiring the brain to battle seizures, blindness, and more

1) Seizures - A device delivers targeted drugs to calm overactive neurons
2) Dementia - Electrode arrays stimulate mental processing
3) Blindness - Gene therapy converts cells into photoreceptors, restoring
   eyesight
4) Paralysis - A brain-machine interface controls limbs while sensing what
   they touch
5) Deafness - Stem cells repair a damaged auditory nerve, improving hearing

Read the entire article at:
http://www.popsci.com/science/article/2013-02/how-neuroscience-will-fight-five-age-old-afflictions