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PSY 101 Lecture 10-17-11

PSY 101 Lecture 10-17-11 - Introductory Psychology...

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Introductory Psychology
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Instructor Instructor Anne Neumann Office hours: W F 2-3 PM 282 Park Hall [email protected]
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Teaching Assistants Teaching Assistants Cynthia Hunter: [email protected] Jennifer Valenti: [email protected] Kimberly Plyler: [email protected]
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Ublearns Ublearns Check out Ublearns For Grades Announcements Lecture slides Resources
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Pain and analgesia (pain relief) Placental opioid enhancing factor (POEF) POEF enhances opioid-mediated analgesia Addiction: Does POEF ingestion modifies the development of tolerance and sensitization to morphine? Medication-assisted treatment of opioid addiction
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Review: Learning
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Reflex – a simple and automatic response to a single stimulus Learning Learning
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What is learning?
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Learning— a change in behavior, or the potential of change in future behavior, as a result of experience
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Non-associative Learning – Change in arousal level Habituation Sensitization Associative Learning – Stimulus- Response learning Classical conditioning Operant conditioning Learning Learning
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An animal learns about the properties of a novel stimulus that is harmless. If the stimulus is neither beneficial nor harmful, the animal learns, after repeated exposure, to ignore it. E.g. orienting response Habituation Habituation
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In response to a harmful stimulus the animal typically learns to respond more vigorously not only to that stimulus but also to other stimuli, even harmless ones. Sensitization Sensitization
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Explain classical conditioning
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Pavlov’s Experiments
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Ivan Pavlov unconditioned reflexes : automatic connections between a stimulus (food) and a response (secreting digestive juices) classical conditioning : the process by which an organism learns a new association between two paired stimuli - a neutral stimulus and one that already evokes a reflexive response Classical Conditioning Classical Conditioning
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unconditioned stimulus (UCS): an event that consistently, automatically elicits an unconditioned response unconditioned response (UCR): action automatically elicited by the unconditioned stimulus Classical Conditioning Classical Conditioning
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conditioned stimulus (CS): an original irrelevant stimulus that, after association with an unconditioned stimulus (UCS), comes to trigger a conditioned response conditioned response (CR): the learned response to a previously neutral conditioned stimulus Classical Conditioning Classical Conditioning
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