Answer:
When a person encounters a threat they may experience fear. Fear has been associated with heightened arousal, negative, or aversive subjective experience, and a recognizable facial expression including widened eyes and an open mouth. Research has indicated that fearful stimuli enhance visual perception
Step-by-step explanation:
also you could just look it up where i found it. also is this a question to a quiz or just asking people cause if its a quiz ion got no passage so ion know