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Intro to Learning > Intro to Learning (3) > Flashcards

Intro to Learning (3) Flashcards

1
Q

What happens in classical conditioning?

A

2 stimuli repeatedly paired, response elicited by 2nd stimulus (UCS) eventually elicited by the 1st stimulus (NS) alone

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2
Q

Before conditioning, what is the strength of the connection of neurons between the UCS and the UR?

A

Strong connection

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3
Q

Before conditioning, what is the strength of the connection of neurons between the NS and the UR?

A

No connection

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4
Q

During the process of classical conditioning what happens between the neurons of the NS and the neurons of the UR?

A

gradually gets stronger, until the UCS is no longer needed.

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5
Q

What is an appetitive stimulus?

A

something that is looked for to satisfy a need

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6
Q

What is an aversive stimulus?

A

something that is avoided and unpleasant

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7
Q

What is the formula of a suppression ratio?

A

No. of CS responses/ (No. of CS responses+No. of pre CS responses)

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8
Q

What is the purpose of the suppression ratio?

A

measure the strength of conditioning

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9
Q

What is excitatory conditioning?

A

Ability of a CS to increase the probability/magnitude of a response

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10
Q

What is inhibitory conditioning?

A

Ability of a CS to decrease the probability/magnitude of a response

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11
Q

4 types of temporal arrangement of stimuli?

A

Delayed
Trace
Simultaneous
Backward

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12
Q

What is delayed temporal arrangement of stimuli?

A

onset of NS before onset of UCS

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13
Q

What is trace temporal arrangement of stimuli?

A

offset of NS before onset of UCS

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14
Q

What is simultaneous temporal arrangement of stimuli?

A

onset of NS and UCS is the same

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15
Q

What is backward temporal arrangement of stimuli?

A

onset of NS after onset of UCS

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16
Q

What is the inter stimulus interval?

A

time between onset of CS and onset of UCS

17
Q

What 2 factors increase acquisition speed?

A

Stronger NS and UCS

18
Q

What is extinction of a response?

A

CR weakened/eliminated when CS is repeatedly present in absence of UCS.

19
Q

What is forgetting in classical conditioning?

A

Suppression of connection strength between CS and CR over time.

20
Q

What is spontaneous recovery?

A

CR reappears after rest period from extinction

21
Q

What is disinhibition?

A

recovery of a response during extinction when a new stimulus is introduced

22
Q

Why does disinhibition occur?

A

as the novel stimulus changes the associative value of the CS

23
Q

What is stimulus generalization?

A

conditioning occurs to stimuli similar to the original CS

24
Q

What is stimulus discrimination?

A

conditioning occurs in relation to specific stimulus, no generalization

25
Q

Why does stimulus discrimination occur?

A

neural activity builds in relation to a specific stimuli

Intro to Learning (10 decks)

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