Emotion, mood and temperament Emotions arise suddenly in response to particular stimuli.
Moods are more vague in nature and more long lasting.
Temperament is the characteristic emotional tone of a person over time. Emotional behaviour is a means for an organism to communicate its motivational state to another of its species. The physiological sensations are the emotions. In addition, he claimed that emotional experience and physiological reactions occur simultaneously. Schacter and Singer proposed the attribution theory of emotion in which the emotion is a function of both internal arousal and the appropriate cognition with which to label the arousal.