Lectures2c_2010_winter

Lectures2c_2010_winter - The Development of Reactivity and...

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The Development of Reactivity and Regulation The Development of Reactivity and Regulation Nim Tottenham, Ph.D. UCLA Department of Psychology
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What is emotion? • “one of the most significant things ever said about emotion may be that everyone knows what it is until they are asked to define it” – Joseph LeDoux (1996)
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What is emotion? Emotion = reflects a kind of motion outward An inferred complex sequence of reactions to a stimulus including cognitive evaluations, subjective changes, autonomic and neural arousal, impulses to action , and behavior designed to have an effect (functional) upon the stimulus that initiated the complex sequence (Plutchik, 1982) – Inferred – Reaction – Functional – ***Cognitive appraisal, feeling, and action***
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Emotions & Psychopathology • Emotions are functional – they help us navigate through and learn about the environment • The functions of emotions with various psychopathological disorders are comparable to those for non-disordered people • In many disorders, however, one or more components of emotional processing are impaired in some respect, thus interfering with the goal achievement
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Temperament • Definition: An animal’s tendency to respond in characteristic & predictable ways to environmental events. Many believe to be the emotional and behavioral building blocks of the adult personality. • Includes emotionality (fear & irritability/negativity), sociability, activity level, soothability, [inhibitory control]
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Stability of Temperament • Can show fair stability throughout lifetime • Kagan – Behavioral Inhibition = temperament that reflects one’s tendency to withdraw from unfamiliar people or situations
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Heterotypic Continuity • Phenotypes in infancy >> Different phenotypes in Adulthood – Inhibited temperament in infancy >> anxiety in childhood/adol
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Klüver-Bucy Syndrome (1939) Bilateral removal of temporal cortex in monkeys. Drastic Change in behavior: Loss of emotional reactivity, Disrupted social behavior, Falling in social standing. Improved methods (ibotenic acid lesions) showed that central site is amygdala (e.g. Murray et al., Behavioral Neuroscience, 1996)
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Adolphs et al., 1995 Subject with bilateral amygdala lesions cannot identify fearful faces asked to draw facial expressions of emotions (SM-046).
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This note was uploaded on 02/24/2010 for the course PSYCH 130 taught by Professor Johnson during the Spring '08 term at UCLA.

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Lectures2c_2010_winter - The Development of Reactivity and...

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