The term _____ refers to stimuli that are below the level of conscious awareness.

The _____ is the lowest level of stimulation that a person can consciously detect 50 percent of the time that the stimulation is present.

The tendency of the brain to stop attending to constant, unchanging information is known as

Many people believe that some stimuli act upon the unconscious mind and influence behavior, a process called

If a researcher finds that one drop of perfume diffused through a three-room apartment is the minimum amount of stimuli needed to notice the scent, then this would be a test of one's

The research of Ernst Weber led to the formulation of a theory of

Research has shown that subliminal perception

If you are experiencing habituation,