- 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?

Four major theories offer different sequences for how emotional experiences are formed in response to a stimulus such as seeing a snake:
- **James-Lange Theory**: Arousal → Physiological Response → Emotion (Fear).
- **Cannon-Bard Theory**: Arousal → Simultaneous Physiological Response and Emotion (Fear).
- **Schachter-Singer Two-Factor Theory**: Arousal → Physiological Response + Cognitive Label → Emotion (Fear).
- **Lazarus' Cognitive-mediational Theory**: Arousal → Appraisal → 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 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.

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 innate biological responses but are actively constructed by the brain based on an individual's past experiences. According to this view, emotions are predictions the brain makes to interpret physiological sensations within a specific context. These predictions function like concepts, categorizing internal bodily feelings and external situations to create a subjective emotional experience. This implies that individuals have the capacity to influence and control their emotions, as they are not fixed, uncontrollable reactions. Dr. Barrett has further explained this theory of constructed emotions in accessible formats, such as videos.

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.

Schachter-Singer Two-Factor Theory of Emotion

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.

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New York University

- Theories of emotion
- Evolutionary viewpoint of emotions
- How many emotions are there
- Brain circuits for different emotions
- Neural circuitry of violence and aggression
- Stress and body responses
- Emotions and the immune system

Subjects in emotions, aggression and stress in the brain

Emotional states are complex experiences that result from the combination of several key elements: physiological arousal, psychological appraisal, and subjective feelings. These elements, along with outward emotional expression, are collectively known as the components of emotion.

Components of Emotion

Emotions are defined as subjective experiences that result from the combination of physiological arousal (the body's physical responses) and cognitive appraisal (the mind's interpretation of the situation). These two components work together to create the feeling we identify as an emotion.

Definition of Emotion

Breedlove, S. & Watson, N. (2017). Behavioral neuroscience, eighth edition. Oxford University Press.

Behavioral Neuroscience 8th Edition

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

- Electrical stimulation of the brain, brain lesions, and neural circuitry affect emotion.



Brain circuits for different emotions

- Examining the kinds of emotions by examining different kinds of facial expressions

How many emotions do we experience

- Aggression
- Androgens seem to increase aggression
- Aggression has several neurochemical correlates
- A topic of controversy

Neural circuitry of violence and aggression

Theories of Emotion

- The stress response
- Individual differences in stress responses

Stress and Body Responses

- Psychosomatic Medicine
- Psychoneuroimmunology
- The Immune System
- Psychological Stress and Immunity

Emotions and the Immune System

- Darwin's perspective
- Redican's perspective
- Evolutionary psychology

Evolutionary viewpoint of emotions

Which of the following are components of emotion?

Which of the following best describes the role of psychological appraisal in the components of emotion?

Which component of emotion is responsible for the physical changes in the body, such as increased heart rate and sweating, during an emotional response?

Which component of emotion involves the personal and internal experience of feelings such as happiness, sadness, or anger?

The subjective experience is the personal, individual stimulus that initiates an emotion. While this stimulus is often an external event, it can also be internal. For instance, a person might feel sadness simply by thinking about a tragic event like a war, even without having directly experienced it.

Subjective Experience in Emotion

As a component of emotion, cognitive appraisal is the process through which an individual evaluates a situation to determine how it will personally affect them.

Cognitive Appraisal in Emotion

Emotions involve physiological responses, which are physical changes within the body. Examples of these responses include alterations in heart rate or an increase in sweating.

Physiological Responses in Emotion

Emotional expression involves conveying emotional states through various channels, not limited to facial displays. Other significant forms of expression include vocal tone, body language—which involves posture and movement—and other general behaviors.

Emotional Expression

An individual's unique emotional experience is shaped by their personal background, culture, and past experiences. Consequently, two people can have distinct emotional reactions even when encountering the same situation.

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