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Lecture

Coco- The Guest Lecture.docx

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Department
Psychology
Course
PSYCH 101
Professor
prat
Semester
Spring

Description
 “Never try to teach a pig to sing. It wastes your time and annoys the pig.”  Easier to learn things necessary for survival  Not all things learned equally What Is It?  Learning is a relatively permanent change in an organism’s behavior due to experience  We typically learn by association o Two types of things co-occur (i.e. mom’s face over the crib = getting picked up) o That an action will be associated with an outcome (i.e. if we cred, then we get fed) Classical Conditioning  Involved the pairing of two previously unassociated events o Getting new stimulus  Ivan Pavlov was Russia’s first Nobel Prize for digestion, not classical conditioning. Pavlov’s Experiments 1. Baseline: before conditioning, unconditioned stimulus produces unconditioned response. However the neutral stimulus does not 2. During conditioning, the NS and the US are paired, resulting in UR. After conditioning, the conditioned stimulus elicits conditioned response. Q: In our attempted conditioning experiment with Cocco, what was the unconditioned stimulus? CHEESE! Acquision  Initial learning stage in classical conditioning in which an association between a neutral stimulus and an unconditioned stimulus to take place o In MOST CASES, for conditioning to occur, the neutral stimulus needs to come before the unconditioned stimulus o The time in between the two stimuli should be short, about half a second Extinction  When the US (food) does not follow the CS (tone), CR (salivation) begins to decrease and eventually causes extinction Spontaneous Recovery  After a rest period, an extinguished CR (salivation) spontaneously recovers, but if the CS (tone) persists alone, the CR becomes extinct again Q: If Cocco comes back to class next year, what should happen when I ring the blue bell? She should pay attention due to spontaneous recovery. Stimulus Generalization  Tendency to respond to stimuli similar to the CS is called generalization (i.e. dog would salivate to similar tones) Stimulus Discrimination  The learned ability to distinguish between a conditioned stimulus and other stimuli that do not signal an unconditioned stimulus Q: IF Cocco paid attention to both bells, Pavlov would call this generalization but Piaget would call it assimilation. Biological Predispositions  Garcia showed that the duration between the CS and the US may be long (hours) BUT yet result in conditioning.  i.e. eating pizza or sushi then getting sick from the flu. Tend to associate the two, although they may be completely unrelated  A biologically adaptive CS (taste) led to conditioning but other stimuli (sight or sound) did not Operant Conditioning  Association is formed between a given behavior and its consequence, either good or bad. o Good consequences will increase the likelihood that one will perform the behavior again
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