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Chapter 6

Chapter 6 book notes

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Department
Psychology
Course Code
PSY100Y5
Professor
Dax Urbszat

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Nov/3/2003 CHANAPS
Notes From Reading
CHAPTER 6: LEARNING
I. Classical Conditioning
A.Introduction
1. Learning – relatively durable change in behavior or knowledge that is due to
experience. One of the most fundamental concepts in psych.
a.Incl. acquisition of knowledge and skills, shapes personal habits,
personality traits, emotional responses, personal preferences.
b. Conditioning – learning associations between events that occur in an
organism’s environment
2. Phobias – irrational fears of specific objects or situations
3. Classical Conditioning – type of learning in which a stimulus acquires the
capacity to evoke a response that was originally evoked by another stimulus.
a.First demonstrated by Pavlov, known as Pavlovian conditioning
B. Pavlov’s Demonstration:Psychic Reflexes
1. Neutral Stimulus – does not provide the conditioned response initially.
2. Learned associations are formed by events in an organism’s environment
C. Terminology and Procedures
1. Unconditioned Stimulus (UCS) –stimulus that evokes an unconditioned
response without previous conditioning.
2. Unconditioned Response (UCR) – unlearned reaction to an unconditioned
stimulus that occurs without previous conditioning
3. Conditioned Stimulus (CS) – previously neutral stimulus that has, through
conditioning, acquired the capacity to evoke a conditioned response.
4. Conditioned Response (CR) – learned reaction to a conditioned stimulus that
occurs because of previous conditioning.
5. Classically conditioned responses have traditionally been characterized as
reflexes and are said to be elicited because most of them are relatively automatic
or involuntary.
6. Trial – in classical conditioning, consists of any presentation of a stimulus of
any presentation of a stimulus or pair of stimuli.
D.Classical Conditioning In Everyday Life
1. Conditioned Fears
a.Classical conditioning is responsible for a great many irrational fears.
2. Other Conditioned Emotional Responses
a.Advertising campaigns try to use classical conditioning to pair products
with positive images.
3. Conditioning and Physiological Responses
a.Ader and Cohen – classical conditioning procedures can lead to
immunosuppression – decrease in the production of antibodies.
b. Classical conditioning can also elicit allergic reactions
c.Classical conditioning contributes to drug tolerance.
E.Basic Process in Classical Conditioning
1. Acquisition: Forming New Responses
1/6
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Nov/3/2003 CHANAPS
Notes From Reading
CHAPTER 6: LEARNING
a.Acquisition refers to the initial stage of learning something. Pavlov
theorized that acquisition of a conditioned response depended on
stimulus contiguity (occur in the same time and space).
b. Contiguity alone, however, does not produce conditioning.
c.Stimulus that are novel, unusual, or especially intense have more
potential to become more CS’s than routine stimuli.
d. Timing of stimulus presentation is also important.
i.Simultaneous conditioning – the CS and UCS begin and end
together.
ii.Short delayed conditioning – CS begins just before the UCS and
stops at the same time as the UCS. Best Method
iii.Trace conditioning – the CS begins and ends before the UCS is
presented
2. Extinction: Weakening conditioned responses
a.Extinction – the gradual weakening and disappearance of a conditioned
response tendency
b. Consistent presentation of the CS alone without the UCS, leads to
extinction
3. Spontaneous Recovery: Resurrecting Responses
a.Spontaneous Recovery: the reappearance of an extinguished response
after a period of nonexposure to the CS.
b. Usually weak
c.Extinction somehow suppresses a conditioned response rather than
erasing a learned response.
4. Stimulus Generalization and the Case of Little Albert
a.Organisms often show a tendency to respond not only to the exact CS,
but to other similar stimulus
b. Occurs when an organism that has learned a response to a specific
stimulus responds in the same way to new stimuli that are similar to the
original stimulus.
c.Little Albert
d. The more similar new stimuli are to the original CS, the greater the
generalization.
5. Stimulus Discrimination – occurs when an organism that has learned a
specific stimulus does not respond in the same way to new stimuli that are similar
to the original stimulus.
a.The less similar new stimuli are to the original CS, the greater the
likelihood of discrimination.
6. Higher order conditioning – a conditioned stimulus functions as if it were an
unconditioned stimulus.
II. Operant Conditioning
A.Thorndike’s Law of Effect
1. Operant conditioning was created by Skinner
2/6
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Nov32003 CHANAPS Notes From Reading C HAPTER6: LEARNING I. Classical Conditioning A. Introduction 1. Learning relatively durable change in behavior or knowledge that is due to experience. One of the most fundamental concepts in psych. a. Incl. acquisition of knowledge and skills, shapes personal habits, personality traits, emotional responses, personal preferences. b. Conditioning learning associations between events that occur in an organisms environment 2. Phobias irrational fears of specific objects or situations 3. Classical Conditioning type of learning in which a stimulus acquires the capacity to evoke a response that was originally evoked by another stimulus. a. First demonstrated by Pavlov, known as Pavlovian conditioning B. Pavlovs Demonstration: Psychic Reflexes 1. Neutral Stimulus does not provide the conditioned response initially. 2. Learned associations are formed by events in an organisms environment C. Terminology and Procedures 1. Unconditioned Stimulus (UCS) stimulus that evokes an unconditioned response without previous conditioning. 2. Unconditioned Response (UCR) unlearned reaction to an unconditioned stimulus that occurs without previous conditioning 3. Conditioned Stimulus (CS) previously neutral stimulus that has, through conditioning, acquired the capacity to evoke a conditioned response. 4. Conditioned Response (CR) learned reaction to a conditioned stimulus that occurs because of previous conditioning. 5. Classically conditioned responses have traditionally been characterized as reflexes and are said to be elicited because most of them are relatively automatic or involuntary. 6. Trial in classical conditioning, consists of any presentation of a stimulus of any presentation of a stimulus or pair of stimuli. D. Classical Conditioning In Everyday Life 1. Conditioned Fears a. Classical conditioning is responsible for a great many irrational fears. 2. Other Conditioned Emotional Responses a. Advertising campaigns try to use classical conditioning to pair products with positive images. 3. Conditioning and Physiological Responses a. Ader and Cohen classical conditioning procedures can lead to immunosuppression decrease in the production of antibodies. b. Classical conditioning can also elicit allergic reactions c. Classical conditioning contributes to drug tolerance. E. Basic Process in Classical Conditioning 1. Acquisition: Forming New Responses 16 www.notesolution.com
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