Hannah enjoys playing video games because every time she scores a point, processing in her brain simultaneously causes an excited emotion and increase in her heart rate. The theory that best explains Hannah's experience of emotion is

Cannon-Bard theory        

Explanation:

 The cannon bard theory is one of the type of method that help in describe the various types of emotional and the physiological development process.

This type of theory basically manage emotional feeling, behavior and also the muscle tension of the person and the various types of psychological actions or reaction.

 According to the given question, the cannon brad theory is best illustrating the emotion and the brain  processing of Hannah while paying video game.  

 Therefore, Cannon bard theory is the correct answer.

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