Answer: Stimuli presented below the absolute threshold can have a subtle, brief effect on behavior.
Explanation: The normal state of conciousness is vigil, that means that we are open to process the stimuli presented by the environment and ourselves. Some stimuli are subtle but have a brief impact on how we process to act, conditioning what we do next in order to act according to the context.
Sometimes, a subtle stimuli can also generate behavioral patterns if it is presented often.