Subliminal stimuli contrary to supraliminal stimuli or "above threshold", are any sensory stimuli below an individual's threshold

Threshold

-Film and television:* Threshold * Threshold , an adaptation of the 1958 science fiction film It! The Terror from Beyond Space* Threshold , an American science fiction drama series...

 for conscious perception

Perception

Perception is the process of attaining awareness or understanding of the environment by organizing and interpreting sensory information. All perception involves signals in the nervous system, which in turn result from physical stimulation of the sense organs...

. The large majority of research has found that subliminal messages do not produce strong or lasting changes in behavior. Visual stimuli may be quickly flashed before an individual can process them, or flashed and then masked, thereby interrupting the processing.