This is an electrical effect and can be quantified with a crosstalk measurement.
At one of the sittings a circumstance occurred which produced an almost electrical effect.
Picard glanced once around the bridge to be sure the electrical effect had truly gone away.
And since it wouldn't carry a current, we didn't get the full electrical effect.
Kenneth Strickfaden designed the electrical effects used in the "creation scene."
Cardiac arrest due to the electrical effect on the heart.
"There seem to have been electrical effects of an unknown origin," he said.
He is vulnerable to electrical effects, such as lightning, and wishes to learn how to control them.
His parents, family, and neighbors witnessed the "electrical effect" he succeeded in producing.
It responded to the visible rays and produced an electrical effect.