I say certain members because some people are more sensitive to these mysterious electronic impulses than others.
10 seconds sound clip from the The Tingler (1959) movie soundboard.
You can hear this line at 00:00:39 in the Blu-ray version of the movie.
Quote context
[...]
- I am William Castle, the director of the motion picture you're about to see.
- But don't be alarmed. You could protect yourself.
- At any time you are conscious of a tingling sensation, you may obtain immediate relief by screaming.
- Don't be embarrassed about opening your mouth and letting rip with all you got.
- Because the person in the seat right next to you will probably be screaming too.
[...]