61.   When the cells encounter a toxin, it alters their natural electrical signals.

62.   When electrical signals from light jumble the pattern, excessive and disordered electrical activity create the alterations in brain movement, sensation and consciousness that define a seizure.

63.   When stimulated, a neuron sends an electrical signal and then needs some time to recover.

64.   With the GestureWrist, the electrical signal is generated by a transmitter electrode that sits at the bottom of the watch.

65.   Yet it captures tiny electrical signals broadcast by the radio or TV station and then translates those signals into music and pictures.

66.   Over the next several weeks, she adjusted the rate, amplitude and pulse width of the electrical signals the system emits.

67.   All that thinking adds up to a lot of electrical signals shooting back and forth.

68.   Colleagues had invented a solid state device that amplified electrical signals.

69.   He said the device could eventually be implanted in humans, giving diabetics painless blood sugar readings via electrical signals.

70.   In a cardiac arrest, electrical signals that tell the muscles to pump go haywire so the heart actually stops.