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15_Learning_II_6 - Fixed ratio(FR Variable interval(VI...

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Psychology 2: Introduction to Psychology Day 15 topic Operant conditioning (con’t) Observational learning Another example of classical conditioning Look no further: The Office! US UR: CS CR? Operant conditioning Edward Thorndike (1874 1949) Law of effect B.F. Skinner (1904 1990) Operant behavior Reinforcement vs. punishment Positive vs. negative More examples Positive reinforcement Potty training, good report card, company bonus… Positive punishment Spanking, yard work/unpaid chores, running laps… Negative reinforcement Please and dinner table, studying for an exam… Negative punishment Grounding, no TV or XBOX for a week… The Skinner Box Some features to consider Primary reinforcers Secondary reinforcers Overjustification effect
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Reinforcement schedules Two levels: Interval vs. ratio Fixed vs. variable Fixed interval (FI)
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Unformatted text preview: Fixed ratio (FR) Variable interval (VI) Variable ratio (VR) Which is less susceptible to extinction? Reinforcement schedules Superstitious behavior? video Neural basis for reinforcement Observational learning Albert Bandura (1925 ‐ present) Social learning theory Ubiquitous type of learning Video Appropriate models? Cognitive aspects Neural basis for observational learning? Giacomo Rizzolatti (1937 ‐ ) Mirror neuron theory Evidence in non ‐ human primates Evidence in humans Motor cortex Premotor cortex Wrapping up learning Classical conditioning Pairing neutral/meaningful stimuli Amygdala (fear) Operant conditioning Reinforcement/punishment Schedules Nucleus accumbens Observational learning The power of modeling Premotor cortex Next week: Language and thinking...
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