Section 4 Flashcards

0
Q

Key ideas of learning

A

Based on experience
Produces changes in the organism
Changes are relatively permanent

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1
Q

Learning

A

Acquisition of new knowledge, skills of responses from experience that results in a relatively permanent change in the state of the learner

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2
Q

Habituation

A

Repeated exposure to a stimulus results in decreased response to the stimulus

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3
Q

Sensitization

A

Presentation of a stimulus results in increased response to a later stimulus

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4
Q

Classical conditioning

A

A neutral stimulus produces a response after being paired with a stimulus that naturally produces a response

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5
Q

Example of classical conditioning

A

Pavlov’s experiment of the dogs and the saliva

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6
Q

4 basic elements of classical conditioning

A

Unconditioned stimulus
Unconditioned response
Conditioned stimulus
Conditioned response

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7
Q

Unconditioned stimulus (US)

A

Something that produces a naturally occurring reaction in organisms

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8
Q

Unconditioned response (UR)

A

A reaction that is reliably produce by an unconditioned stimulus

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9
Q

Conditioned stimulus (CS)

A

A neutral stimulus that now produces a reliable response in an organism after being paired with an unconditioned stimulus

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10
Q

Conditioned response (CR)

A

A reaction that resembles an unconditioned response but is produced by a conditioned stimulus

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11
Q

Acquisition

A

Phase of classical conditioning when the conditioned stimulus and the unconditioned stimulus are presented together

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12
Q

Second order conditioning

A

Conditioning where a conditioned stimulus is paired with a stimulus that became associated with the unconditioned stimulus in an earlier procedure
Ex) food - tone - black square

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13
Q

Extinction

A

Gradual elimination of a learned response that occurs when the conditioned stimulus is repeatedly presented without the unconditioned stimulus

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14
Q

Spontaneous recovery

A

Tendency of a learned behavior to recover from extinction after a rest period

Response is weakened but not eliminated

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15
Q

Generalization

A

Conditioned response is observed even though there have been slight changes made to the conditioned stimulus

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16
Q

Discrimation

A

Ability to distinguish between similar but distinct stimulus

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17
Q

What properties are needed to have adaptive value (associated with food aversion)

A

Rapid learning that occurs in 1-2 trials
Conditioning should be able to take place over long intervals
Organism should develop the aversion to the smell or taste of the food not its ingestion
Learned aversions should occur more often with novel foods rather than with familiar ones

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18
Q

Biological preparedness

A

Propensity for learning particular kinds of associations over others

Conditioning works best with stimuli that are biologically relevant to the organism

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19
Q

What is the difference between classical and operant conditioning

A

Classical - reactive, involuntary
Operant - active, voluntary

Operant is the study of what will happen based on our voluntary actions

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20
Q

Operant conditioning

A

Type of learning in which the consequences of behavior determine whether it will be repeated in the future

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21
Q

Instrumental behaviors

A

Behavior that required an organism to do something (solve a puzzle) or manipulate its environment

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22
Q

Example of operant conditioning

A

Cat in box (thorndike)

23
Q

Law of effect

A

Behaviors that are followed by a satisfying state of affairs tend to be repeated whereas those that produce an unpleasant state of affairs are less likely to be repeated

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Operant behavior
Behavior that has some impact on the environment
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Reinforcer
Something that increases the likelihood of the behavior that led to it
26
Punisher
Something that decreases the likelihood of the behavior that led to it
27
Positive and negative
Added | Taken away
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Positive reinforcement
A rewarding stimulus is presented and increases likelihood of behavior
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Negative reinforcement
Unpleasant stimulus is removed increasing the likelihood of behavior
30
Positive punishment
Unpleasant stimulus is added which decreases likelihood of behavior
31
Negative punishment
Rewarding stimulus is removed which decreases likelihood of behavior
32
Primary reinforcers | Examples
Help satisfy biological needs comfort, shelter, food, warmth
33
Secondary reinforcers | Examples
Effectiveness is derived from their associations with primary reinforcers Trophies, medals, money, verbal approval
34
What is a key determinant of the effectiveness of a reinforcer or punisher?
Amount of time between behavior and reinforcer or punisher
35
What is the importance of context? What is stimulus control?
Learning takes place in contexts, not just anywhere. In a discriminative stimulus, a response produces a reinforcement but in another context, it could produce a punishment. Stimulus control is when a particular response only occurs in a certain context.
36
Why is extinction more complicated in operant conditioning?
It depends on how often the reinforcement is received Sometimes behaviors become stronger and more resilient
37
What happened when Skinner didn't give rats the food pellets every time?
Pushed the lever at a different rate and pattern
38
Interval schedules | 2 kinds
Based on time between reinforcements | Fixed interval schedule and variable interval schedule
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Ratio schedules | 2 kinds
Based on ratio of responses to reinforcements | Fixed ratio schedule and variable ratio schedule
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Fixed interval schedule (FI) | Example
Reinforcers are presented at fixed time periods, provided that correct responses are made Ex) College students do relatively little work until just before an exam where they do a burst of studying
41
Variable interval schedule (VI) | Example
A behavior is reinforced based on an average time that has expired since the last reinforcement Ex) radio promotions happen on average every hour but it could be anywhere within the hour
42
Fixed ratio schedule (FR) | Examples
Reinforcement is delivered after a specific number of responses have been made Ex) a store giving you a free shirt after a set number of regular purchases; laundry worker gets paid for every 10 pieces
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Variable ratio schedule | Example
Delivery of reinforcement is based on a particular average number of responses Ex) laundry worker will get paid on average for every 10 shirts washed and ironed but not for each 10th shirt; Casino slot machines
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Intermittent reinforcement
When only some of the responses made are followed by reinforcement
45
Why does variable ratio schedules produce higher rates of responding than fixed ratio schedules?
You don't know when you will be reinforced next
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Intermittent reinforcement effect
The fact that operant behaviors that are maintained under intermittent reinforcement schedules resist extinction better than those maintained under continuous reinforcement
47
Shaping | Example
Learning that results from the reinforcement of successive steps to a final desired behavior Ex) dolphins learning tricks and making it look like one smooth set of movements but it is really a set of individual movements
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Superstition
An accidental correlation
49
Means-ends relationship
A specific reward (end state) will appear if a specific response (means to that end) is made
50
Latent learning
Something is learned but not shown as a behavioral change until later on
51
Example of latent learning and cognitive maps
Rats in maze
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Cognitive maps
A mental representation of the physical features of the environment
53
What drug plays a large key role in reward related learning?
Dopamine
54
Observational learning
Learning takes place by watching the actions of others
55
Example of observational learning
Bobo doll
56
Diffusion chain
Individuals initially learn a behavior by observing someone else then they become the model for someone else to learn the behavior