Question

An image that flashes before your eyes too quickly for your conscious awareness is a

precognition.
subliminal message.
visual cliff.
difference threshold.

Answer 1

The answer is subliminal message.

Answer 2

Answer: subliminal message.

A subliminal message is passed to the human mind without the mind being conscious of it. It's very used in advertising, making people desire the product, that's being sold, without even knowing. Can be either auditory or a visual message presented below the normal human perception.