Scary-sounding music accompanied a movie scene in which mountain climbers scaled a steep slope. the fact that the music made the climbing appear more dangerous to viewers illustrates that perceptions are influenced by

The above scenario illustrate that perceptions are influenced by EMOTIONS.
Emotion perception refers to the capacity to recognize and identify emotions in others. Human emotions often provide strong motivating influence on how the environment is perceived and that is the logic that was used in the scenario given above. The fearful emotion generated by the music makes the climbing of the mountain to appear more dangerous.