Learning Flashcards
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What Is Learning?
– When part of the brain is physically changed to record new knowledge.
– Any kind of change in the way an organism behaves.
– Any relatively permanent change in behavior brought about by experience or practice.
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Who is Ivan Pavlov?
A Russian physiologist who discovered classical conditioning through his work on digestion in dogs.
Physiologist - person who studies the workings of the body.
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Learning to make a reflex response to a stimulus other than the original, natural stimulus that normally produces the reflex.
Classical Conditioning:
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A naturally occurring stimulus that leads to an involuntary response.
Unconditioned Stimulus (UCS):
Unconditioned - “unlearned” or “naturally occurring.”
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An involuntary response to a naturally occurring or unconditioned stimulus.
Unconditioned Response (UCR):
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Stimulus that becomes able to produce a learned reflex response by being paired with the original unconditioned stimulus.
– A neutral stimulus (NS) can become a conditioned stimulus when paired with an unconditioned stimulus.
Conditioned Stimulus (CS):
– Conditioned means “learned.”
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Learned reflex response to a conditioned stimulus
Conditioned Response (CR):
– CS: ice cream truck.
– CR: salivation when one hears ice cream truck bell.
– Sometimes called a conditioned reflex.
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Repeated pairing of the NS and the UCS; the organism is in the process of acquiring learning.
NS-Neutral Stimulus.
UCS-Unconditioned Stimulus.
Acquisition:
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Basic Principles of Classical Conditioning:
– The CS must come before the UCS.
– The CS and the UCS must come very close together in time; ideally, they occur only several seconds apart.
– A neutral stimulus must be paired with the UCS several times, often many times, before conditioning can take place.
– The CS is usually some stimulus that is distinctive or stands out from other competing stimuli.
CS-Conditioned Stimulus.
UCS-Unconditioned Stimulus.
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The tendency to respond to a stimulus that is only similar to the original conditioned stimulus with the conditioned response.
Stimulus Generalization:
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The tendency to stop making a generalized response to a stimulus that is similar to the original conditioned stimulus because the similar stimulus is never paired with the unconditioned stimulus.
Stimulus Discrimination:
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Disappearance or weakening of a learned response following the removal or absence of the unconditioned stimulus (in classical conditioning) or the removal of a reinforcer (in operant conditioning).
Extinction:
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Reappearance of a learned response after extinction has occurred.
– Learning is a relatively permanent change in behavior.
Spontaneous Recovery:
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Emotional response that has become classically conditioned to occur to learned stimuli.
Conditioned Emotional Response (CER):
– Examples: fear of dogs; the emotional reaction that occurs when seeing an attractive person.
– May lead to phobias.
– Irrational fear responses.
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Classical conditioning of a reflex response or emotion by watching the reaction of another person.
Vicarious Conditioning:
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Development of a nausea or aversive response to a particular taste because that taste was followed by a nausea reaction.
– Occurs after only one association.
Conditioned Taste Aversion:
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The tendency of animals to learn certain associations, such as taste and nausea, with only one or few pairings due to the survival value of the learning.
Biological Preparedness:
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Modern theory in which classical conditioning is seen to occur because the conditioned stimulus provides information or an expectancy about the coming of the unconditioned stimulus.
Cognitive Perspective: