Answer:
James Lange
Explanation:
James Lange was a psychologist who has been proposed a theory of emotions with physiology. The theory has been proposed by William James and Carl Lange. In this theory, emotions occur as a result of physiological reactions to the events.
Thus when Summer frightened because of the startled of the noise when she walking down to the street alone. This is an example of a theory of emotions that was proposed by James - Lange.