5-9 Flashcards

1
Q

stimulus control

A

the relation between a antecedent and the behavior that follows it

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2
Q

the relation between a antecedent and the behavior that follows it

A

stimulus control

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3
Q

generalization gradients

A

graph that shows the probability of a response as a function of the stimulus (big upside down U)

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4
Q

graph that shows the probability of a response as a function of the stimulus (big upside down U)

A

generalization gradient

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5
Q

probe trials

A

way to measure generalization to other colors (stimuli) in which the other colors are briefly presented to measure the pigeon’s responding but no reinforcer is given.

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6
Q

way to measure generalization to other colors (stimuli) in which the other colors are briefly presented to measure the pigeon’s responding but no reinforcer is given.

A

probe trials

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7
Q

Pavlov’s hypothesis

A

beliefs generalization happens through an automatic by-product of the conditioning process. Essentially the effects of conditioning somehow spread across to nearby neurons in the cerebral cortex

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8
Q

beliefs generalization happens through an automatic by-product of the conditioning process. Essentially the effects of conditioning somehow spread across to nearby neurons in the cerebral cortex

A

Pavlov’s hypothesis

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9
Q

Lashley and Wadd’s hypothesis

A

explain generalization through some explicit discrimination training along the dimension in question is necessary before the typical peaked generalization gradient is obtained

e.g. if the dimension is color, they would claim that the learner must receive experience in which reinforcer are delivered when a color is present but not when the color is absent

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10
Q

explain generalization through some explicit discrimination training along the dimension in question is necessary before the typical peaked generalization gradient is obtained

A

Lashley and Wadd’s hypothesis

e.g. if the dimension is color, they would claim that the learner must receive experience in which reinforcer are delivered when a color is present but not when the color is absent

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11
Q

nondifferential training

A

every trial was the same

e.g. exposure to only 1000 hz tone as the SD

produced generalization gradient that were basically flat

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12
Q

every trial was the same

e.g. exposure to only 1000 hz tone as the SD

produced generalization gradient that were basically flat

A

nondifferential training

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13
Q

presence-absence training

A

type of discrimination training in which the presence or absence of a specific stimulus indicates whether responding will be reinforced

e.g. exposure to 1000 hz tone as SD adi no tone as S-delta

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14
Q

type of discrimination training in which the presence or absence of a specific stimulus indicates whether responding will be reinforced

e.g. exposure to 1000 hz tone as SD adi no tone as S-delta

A

presence-absence training

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15
Q

intradimensional training

A

type of discrimination training in which responses in the presence of one stimulus are reinforced, but responses in the presence of a different stimulus from the same physical continuum are not reinforced

e.g. exposure to 1000 hz tone as the SD and a variety of tones as S-delta

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16
Q

type of discrimination training in which responses in the presence of one stimulus are reinforced, but responses in the presence of a different stimulus from the same physical continuum are not reinforced

e.g. exposure to 1000 hz tone as the SD and a variety of tones as S-delta

A

intradimensional training

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17
Q

sensory deprivation

A

on Lashley and Wade: chickens and quails exposed to a green light that makes everything look green. They previously learned to peck green key. When tested with other colors the birds displayed typical generalization gradients. This contradicts the theory of Lashley and Wade.

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18
Q

on Lashley and Wade: chickens and quails exposed to a green light that makes everything look green. They previously learned to peck green key. When tested with other colors the birds displayed typical generalization gradients. This contradicts the theory of Lashley and Wade.

A

sensory deprivation

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19
Q

simultaneous discrimination procedure

A

two stimuli are presented together and the chicken must choose between them

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20
Q

two stimuli are presented together and the chicken must choose between them

A

simultaneous discrimination procedure

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21
Q

successive discrimination procedure

A

the stimuli are presented one at a time

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22
Q

the stimuli are presented one at a time

A

successive discrimination procedure

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23
Q

absolute theory of stimulus control

A

the animal has simply learned about the two stimuli separates: it has learned that choosing the medium gray color produces food and choosing the dar gray color produces no food

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24
Q

the animal has simply learned about the two stimuli separates: it has learned that choosing the medium gray color produces food and choosing the dar gray color produces no food

A

absolute theory of stimulus control

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25
relational theory of stimulus control
the animal has learned something about the relationship between the two stimuli: it has learned that the lighter gray is associated with food
26
the animal has learned something about the relationship between the two stimuli: it has learned that the lighter gray is associated with food
relational theory of stimulus control
27
transposition
all of the chickens showed a preference for the light gray card over the previously reinforced medium gray card. The animals has transferred the relational rule to a new pair of stimuli
28
all of the chickens showed a preference for the light gray card over the previously reinforced medium gray card. The animals has transferred the relational rule to a new pair of stimuli
transposition
29
peak shift
a shift in the generalization gradient in a direction away from the S-
30
a shift in the generalization gradient in a direction away from the S-
peak shift
31
Spence's theory of excitatory and inhibitory gradients
in intradimensional training, an excitatory generalization gradient develops around the S+ and an inhibitory gradient develops around the S- the net associative strength of nay stimulus can be determined by subtracting its inhibitory strength form its excitatory strength
32
in intradimensional training, an excitatory generalization gradient develops around the S+ and an inhibitory gradient develops around the S- the net associative strength of nay stimulus can be determined by subtracting its inhibitory strength form its excitatory strength
Spence's theory of excitatory and inhibitory gradients
33
Intermediate-size problem
Gonzales, Gentry, and Bitterman (1954) a discrimination problem in which the subject learns to choose the middle stimulus along some dimension and is then tested when this stimulus inso longer the medium one
34
a discrimination problem in which the subject learns to choose the middle stimulus along some dimension and is then tested when this stimulus inso longer the medium one
intermediate-size problem Gonzales, Gentry, and Bitterman (1954)
35
behavioral contrast
responding to one stimulus changes as a result of a change in the reinforcement conditions for another stimulus
36
responding to one stimulus changes as a result of a change in the reinforcement conditions for another stimulus
behavioral contrast
37
positive contrast
an increase in responding during the unchanged light component the rate of reinforcement is reduced in one component, and the rate of responding increases in the unchanged component
38
an increase in responding during the unchanged light component the rate of reinforcement is reduced in one component, and the rate of responding increases in the unchanged component
positive contrast
39
negative contrast
decrease in responding during the unchanged light component the rate of reinforced is increased on one component, and the rate of responding decreases in the unchanged component
40
decrease in responding during the unchanged light component the rate of reinforced is increased on one component, and the rate of responding decreases in the unchanged component
negative contrast
41
behavioral reallocation hypothesis
faster responding in the unchanged component (positive contrast) is possible because of the slower responding that occurs in the component that is changed to extinction have more energy to focus on the changed schedule, the better option
42
faster responding in the unchanged component (positive contrast) is possible because of the slower responding that occurs in the component that is changed to extinction have more energy to focus on the changed schedule, the better option
behavioral reallocation hypothesis
43
reinforcer habituation/satiation hypothesis
the more frequently a reinforcer is presented over a short period of time, the less effective it becomes, because of habituation, satiation, or both
44
the more frequently a reinforcer is presented over a short period of time, the less effective it becomes, because of habituation, satiation, or both
reinforcer habituation/satiation hypothesis
45
comparison of components
?????
46
??????
comparison of components
47
errorless discrimination learning
begins with stimuli that are easy fo the subject to discriminate and progresses to more difficult ones, so the subject make very few wrong choices during the course of learning
48
begins with stimuli that are easy fo the subject to discriminate and progresses to more difficult ones, so the subject make very few wrong choices during the course of learning
errorless discrimination learning
49
transfer of learning and learning sets (they're the same thing)
improvement in the rate of learning across a series of discrimination problems
50
improvement in the rate of learning across a series of discrimination problems
transfer of learning and learning sets (they're the same thing)
51
concept learning
designed to mimic more closely the types of discrimination an animal must learn in the natural environment e.g. when an animal learned to discriminate between predators and non predators or between edible plants and poisonous plants
52
designed to mimic more closely the types of discrimination an animal must learn in the natural environment e.g. when an animal learned to discriminate between predators and non predators or between edible plants and poisonous plants
concept learning
53
central instances
an example from a natural category that people tend to judge as a "good" or "typical" example
54
an example from a natural category that people tend to judge as a "good" or "typical" example
central instances
55
peripheral instances
an example from a natural category that people tend to judge as a "bad" or "atypical" example
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an example from a natural category that people tend to judge as a "bad" or "atypical" example
peripheral instances
57
exemplar theories
one's ability to categorize objects depends on one's memory of specific examples
58
one's ability to categorize objects depends on one's memory of specific examples
exemplar theories
59
prototype theories
one's ability to categorize objects depends forming a prototype or ideal example, to which new examples are compared
60
one's ability to categorize objects depends forming a prototype or ideal example, to which new examples are compared
prototype theories
61
feature theories
one judges whether a given instance is a member of a category of checking for specific features
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one judges whether a given instance is a member of a category of checking for specific features
feature theories
63
stimulus equivalence
a situation in which an individual learned to respond to all stimuli in a category as if they are interchangeable even though the individual has been taught only a few relations between these stimuli, not all the possible relations
64
a situation in which an individual learned to respond to all stimuli in a category as if they are interchangeable even though the individual has been taught only a few relations between these stimuli, not all the possible relations
stimulus equivalence