Other kinds of operations can block the spread of electrical activity in the brain.

VOA: special.2010.10.26

The goal is to block abnormal electrical activity in the heart.

VOA: special.2010.03.02

The device can also respond by sending 10 volt electrical pulses to block the signals' path to the brain, tricking the brain into thinking there is no pain.

ENGADGET: Chip implanted in spinal cord could help sufferers of chronic pain (video)

Finally I figured out how to rip the entire alarm system free of all household electrical wiring, which will probably prompt an expensive service call whenever electricity returns to my block.

FORBES: Hurricane Irene Sparks An Electronic Counterattack

Previously jurors have heard how faulty electrical equipment started the fire in flat number 65 on the ninth floor of the 14 storey block.

BBC: The fire at Lakanal House in Camberwell in July 2009