G. Marañon Posadillo was a Spanish physician whose research on the psychological impacts of adrenaline contributed to an early model of emotional experience. His work is recognized as a precursor to the Schachter-Singer two-factor theory of emotion.

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Theories of emotion are frameworks developed to explain how the various components of emotion, such as physiological arousal, psychological appraisal, and subjective experience, interact with one another to produce an emotional state.

Theories of Emotion

Spielman, R. M., Jenkins, W. J., & Lovett, M. D. (2020, April 22). Psychology (2nd ed.). OpenStax. https://openstax.org/books/psychology-2e/pages/1-introduction

OpenStax Psychology (2nd ed.) Textbook

- Proposes that feelings trigger an autonomic reaction in our bodies

- Stimulus --> Perception/interpretation --> Particular emotion experienced --> specific pattern of autonomic arousal

Folk Psychology Theory of Emotions

While walking through a forest, you unexpectedly come across a large, growling bear. You notice your heart is racing and you have started to sweat. You then interpret these specific physical reactions as the emotion of fear. This sequence of events—a stimulus leading to a physiological response, which then leads to the experience of an emotion—is best explained by which of the following descriptions of an emotional theory?

The four major theories of emotion propose distinct causal sequences for how an emotional response is generated when encountering a stimulus, such as a snake. According to the James-Lange theory, arousal leads directly to a physiological response like heart pounding and sweating, which then produces the emotion of fear. The Cannon-Bard theory asserts that arousal simultaneously triggers both the physiological response and the emotion. The Schachter-Singer two-factor theory posits that arousal causes a physiological response that must be combined with a cognitive label, such as thinking 'I’m scared', to produce the emotion. Finally, Lazarus' cognitive-mediational theory suggests that arousal is first followed by an appraisal, which then simultaneously elicits the emotion and physiological response.

Comparison of Four Theories of Emotion

The James-Lange theory posits that emotions are the result of physiological reactions to stimuli. According to this model, an external stimulus, such as seeing a snake, first triggers a physiological response like a pounding heart and sweating. The brain then interprets these bodily changes as a specific emotion, in this case, fear. The sequence is: Stimulus → Physiological Arousal → Emotion.

James-Lange Theory of Emotions

Developed in response to doubts about the James-Lange theory, the Cannon-Bard theory of emotion challenges the idea that physiological arousal patterns are distinct enough to create the wide variety of human emotions. This theory proposes that upon encountering a stimulus, such as a snake, the emotional experience (e.g., fear) and the physiological response (e.g., fight-or-flight) occur at the same time. Crucially, these two events are considered independent, meaning the emotional reaction is separate from the bodily arousal, even though they happen simultaneously.

Cannon-Bard Theory of Emotion

G. Marañon Posadillo

The sequence of cognitive processing and emotional experience is a central debate in psychology. While some theories propose that cognition precedes emotion, others, such as the views of Robert Zajonc and Joseph LeDoux, argue that certain emotional reactions can occur before, or even entirely without, cognitive interpretation. This highlights the complexity and ongoing research into the relationship between thought and feeling.

Debate on the Sequence of Cognition and Emotion

Proposed by Lisa Feldman Barrett, the constructivist theory of emotion posits that emotions are not built into the brain at birth, but are actively constructed based on an individual's past experiences. According to this view, emotions are concepts that serve as predictions to construct one's experience of the world. By categorizing physiological sensations and external situations, the brain creates a subjective emotional state. Because emotions are constructed rather than being fixed biological responses, individuals have the capacity to influence and control their emotions.

Constructivist Theory of Emotion

Proposed by Robert Zajonc, this theory asserts that some emotional reactions can occur independently of, or even before, cognitive interpretation. An example is the immediate feeling of fear from an unexpected loud noise. This perspective also accounts for 'gut feelings,' which are instantaneous and unanalyzed feelings of liking or disliking something or someone.

Zajonc's Theory of Emotion

Joseph LeDoux's research suggests that certain emotions, particularly fear, can be processed without conscious cognitive involvement, bypassing contextual interpretation. His work in the neuroscience of emotion highlights the amygdala's central function in the fear response, demonstrating that emotional stimuli can trigger reactions through direct neural pathways.

LeDoux's Theory of Emotion

The Schachter-Singer two-factor theory posits that emotions arise from two components: physiological arousal and a cognitive label. A key premise is that physiological arousal is often undifferentiated across various emotional states. Therefore, an individual first experiences a general state of physiological arousal and then interprets this arousal within its specific context to apply a cognitive label. This appraisal process determines the specific emotion experienced. For instance, the same physiological response could be labeled as 'fear' or 'joy' depending on the situation, and it is even possible to misattribute arousal to an incorrect emotional experience if the circumstances are misleading.

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