Subscribe now

A more effective way of embedding subliminal images in television programmes
is being patented by Vitaliano Silingardi of Bologna (EP 995 458). The normal
technique for transmitting a subliminal message—such as “smoking
kills”—is to display it for a few milliseconds and then replace it with a
blank white screen to stop the image from persisting on the retina.
Silingardi’s trick is to first flash a trigger image—such as someone
smoking—which prepares the brain for the subliminal message.

Sign up to our weekly newsletter

Receive a weekly dose of discovery in your inbox. We'll also keep you up to date with New Scientist events and special offers.

Sign up

To continue reading, subscribe today with our introductory offers

Popular articles

Trending New Scientist articles

Piano Exit Overlay Banner Mobile Piano Exit Overlay Banner Desktop