Psychology Test 2

Psychology Test 2 - Chapter 5 Classical Conditioning o...

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Chapter 5 Classical Conditioning o Pavlov’s Dogs: learning by association He stumbled across this accidentally. He originally was studying salivation in dogs A research assistant positioned behind a mirror sounded a tone as food was placed on the dog’s tongue. After several pairings of the tone and food, the dog acquired a conditioned response of salivation. Something that used to be a neutral stimulus now gets a response o Definition: previously neutral stimulus is paired with real stimulus and then the neutral stimulus gets effects o Unconditioned stimulus: a stimulus that elicits and unlearned response (food in mouth) o Unconditioned response: an unlearned response to a stimulus (salivation) o Neutral stimulus: a stimulus that before conditioning des not produce a particular response (tone) o Conditioned response: an acquired or learned response to a conditioned stimulus (salivation) o Conditioned stimulus: a previously neutral stimulus that comes to elicit a conditioned response after it has been paired with an unconditioned stimulus (tone) Other Terms o Extinction: gradual weakening of learning after you remove the US (food) o Spontaneous Recovery: doing again after extinction o Reconditioning: relearning (faster) a conditioned response after extinction o Stimulus Generalization: conditioned response to things that are similar to conditioned stimulus The child cringes when a small, black dog appears Dogs would salivate to things that sounded like tones o Stimulus Discrimination: differentiate between similar and not similar to conditioned stimulus The child shows no fear of a small, brown dog even though he is scared of big, black dogs o Strengthen Conditioning: 1) Frequency: the more often the CS is paired with the US, the stronger the response will be 2) Timing: the strongest conditioned response occur when the CS is presented first and remains present throughout the administration of the US 3) Intensity of uncontrolled stimulus: a stronger Us will typically lead to faster conditioning than a weaker one Operant Conditioning o Explains hw we learn complex behaviors o The process of learning in which the consequences of actions determine the probability of that action to be repeated o Thorndike’s Law of Effect: actions with satisfying outcomes will be repeated, unpleasant outcomes will lead to actions not being repeated o Positive Reinforcement: a response is strengthened by the introduction of a reward
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This note was uploaded on 04/08/2008 for the course PSYC 104 taught by Professor Reysen during the Spring '08 term at Kansas.

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Psychology Test 2 - Chapter 5 Classical Conditioning o...

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