Proposed that two things have to happen before emotion occurs: physical arousal and labeling. schachter and singer the cannon-bard theory plutchik the james-lange

The answer is "Schachter and Singer".

Stanley Schachter and Jerome Singer suggested that there are psychological elements that impact the differed conditions of feelings, states of mind and emotions.

Schachter and Singer suggested that two things need to occur before feeling happens: physical arousal and labeling. in light of signs from the encompassing condition. These two things occur in the meantime, bringing about the marking of the feeling.

d.) continue to rise rapidly