Jerome Bruner, a pioneering American cognitive psychologist, introduced what he called a "New Look" in perception by drawing attention to the role of mental set, emotion, and motivation in perception. Can we really see the world through "rose-colored glasses"? Can we see only what we want to see? Or are these just metaphors? Provide an example of how either emotion or motivation can affect either the detection of a stimulus or the perception of some object or event.