Theories of Emotion
Emotions influence human behavior in both strong and subtle ways. So what exactly are emotions? What causes these feelings? Learn more about some of the major theories of emotion that have been proposed by researchers, philosophers and psychologists.

James-Lange Theory of Emotion Definition
Proposed independently by psychologist William James and physiologist Carl Lange, the James-Lange theory of emotion proposes that emotions occur as a result of physiological reactions to events...

Cannon-Bard Theory Definition
The Cannon-Bard theory is one theory of emotion that argues that physical arousal does not have to occur before an emotion.

The Two-Factor Theory of Emotion
Cognitive theories of emotion began to emerge during the 1960s, starting with one proposed by Stanley Schachter and Jerome Singer known as the two-factor theory of emotion.

The Purpose of Emotions
Emotions serve a wide range of purposes and functions, from alerting us to danger to helping us build social connections. Learn more about some of the purposes of emotions.