In-Depth Notes on Chapter 12: The Emotions as Motivators

Darwin’s Principles of Emotion

  • Innateness of Emotions:
    • Emotions are innate, while their expressions are learned and can become innate over generations.
  • Three Principles by Darwin:
    1. Serviceable Associated Habits:
    • Emotional expressions have survival value in the past, influencing genetic predisposition toward certain behaviors.
    1. Antithesis:
    • Opposite emotions are expressed through opposite behaviors.
    1. Direct Action of the Nervous System:
    • Emotional behaviors result from physiological changes within the nervous system (e.g., trembling when scared).

The James-Lange Theory

  • Overview: Proposes that emotions occur as a result of physiological changes.
  • Critiques by Cannon:
    1. Emotions can occur without physical changes.
    2. Bodily changes can be common across different emotions.
    3. Internal organs lack sensitivity to produce emotional feedback.
    4. Physiological changes are often too slow to cause immediate emotions.
    5. Induced physiological changes do not always lead to emotional experiences.

Central Nervous System

  • Components:
    • Brain and Spinal Cord
    • Autonomic Nervous System (ANS): Manages involuntary functions.
    • Sympathetic Nervous System (SNS): Activates during fight or flight.
    • Parasympathetic Nervous System (PNS): Active during rest and digestion.
  • Effects of SNS include increased heart rate, dilated pupils, and inhibited salivation.
  • Effects of PNS include increased digestive activity and lowered heart rate.

Cognitive-Physiological Theory of Emotion

  • Propositions:
    • Emotional experiences depend on both physiological arousal and cognitive interpretations.
  • Observations:
    • Physiological arousal can lead to environmental cue searching.
    • Spinal cord damage can affect emotional responsiveness variably.
  • Challenges: Limited empirical support and replication issues.

Similarities Across Theories

  • Both Cognitive-Physiological and James-Lange theories emphasize bodily changes in emotions.
  • Both Cognitive-Physiological and Cannon’s theories recognize the importance of context in emotional appraisal.
  • The Cognitive-Physiological Theory expands on the others by integrating physiological and cognitive aspects.

Ethology and Emotion

  • Innate Expressions: Emotions evolved from innate intention movements.
  • Nonverbal Cues: Humans and animals can interpret emotions without knowing their causes.
    • Gender differences in emotional expressiveness exist, with women generally more expressive.

Amygdala and Emotions

  • Location: Inside the temporal lobe, consists of multiple nuclei.
  • Functions:
    • Involved in the automatic emotional response; integrates sensory information.
    • Plays a role in fear conditioning and emotional regulation.

Orbital Frontal Cortex and Cingulate Cortex

  • Orbital Frontal Cortex (OFC): Involved in emotional responses within social contexts (e.g., impairment in case of Gage).
  • Cingulate Cortex: Engages in cognitive-emotional interactions.

Classical Conditioning and Emotion

  • Emotional responses can be conditioned; stimuli connected to negative experiences evoke emotions associated with fear.
  • The amygdala is vital in linking conditioned and unconditioned stimuli and facilitating fear responses.

Operant Conditioning and Emotion

  • Emotional responses are impacted by the consequences of behavior (positive or negative).
  • Reinforcement Mechanisms: Dopamine release primarily occurs in the nucleus accumbens during this process.

Emotional Modeling

  • Observational learning of emotions begins around one year of age, influenced by important figures in one's life.
  • Phobias and Prejudice: Can be learned through observation and share characteristics with prepared behaviors.

Attribution of Emotion

  • Cognitive appraisal affects emotional experiences; individuals seek cues for self-assessment.
  • Research indicates that self-monitoring can impact emotional experiences in social contexts.

The Primacy of Emotions

  • Zajonc’s theory argues that emotions can precede and occur independently of cognition, supported by various arguments:
    1. Affect is fundamental and universal.
    2. Emotions are unavoidable.
    3. Difficulty in altering emotions once they arise.
    4. Challenges in verbalizing emotions suggest a disconnect from cognition.

Final Exam Breakdown

  • Content: Chapters 5, 9, 10, 11, 12
  • Format: 40 multiple choice questions and 4 short answer questions.
  • Logistics: April 12th, 7-9 pm in the Sobeys Center. Bring pencil, pen, and student ID for identification.