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47 Cards in this Set

  • Front
  • Back

More novel stimuli result in ___ rapid conditioning

More

Latent-inhibition effect

Previous exposure to a CS slows the acquisition of a CS-US relationship

US preexposure effect

Previous exposure to a US slows acquisition of a CR

Contiguity predicts that a shorter delay results in ___ conditioning

Stronger

CS-US relevance/belongingness

A relationship is learned faster if it is naturally related

Higher order conditioning

When a CS1 is strongly trained to a CR, pairing a CS1 with a CS2 will cause the CS2 to elicit the CR

Sensory preconditioning

When a CS1 and CS2 are already associated with one another, training a CS1 to elicit a CR will also train the CS2 to elicit the CR

Stimulus substitution

Treating the CS as a surrogate US. Emphasizes importance of the US and assumes the UR and CR are identical.

Homeostasis

Special case of stimulus substitution where the CR is only identical to the compensatory aspect of the UR

S-R learning

Thorndike. CS directly elicits CR.

S-S learning

Pavlov. CS triggers US which elicits the UR.

Conditioned diminution of UR

CS that predicts a US triggers compensatory reactions that reduce the intensity of the UR

Blocking effect

A CS1 strongly paired to a US will not allow a CS2 to be paired with the same US

Overshadowing effect

If a CS1 and CS2 are simultaneously paired with a US, but one is more salient, the other will be blocked

Rescorla-Wagner model

Predicts that the level of surprise of a US determines the effectiveness

Problems with the RW model

Predicts extinction of conditioned inhibition. Predicts the extinction is the reversal of acquisition.

The comparator hypothesis

Predicts that a CS elicits recall via both a direct and indirect pathway

If the direct pathway is stronger than the indirect pathway

Excitatory CR training

If the direct pathway is weaker than the indirect pathway

Inhibitory CS training

Comparator hypothesis - Recovery from blocking

If CS1 undergoes extinction, the indirect pathway between loses strength therefore allowing the direct pathway to dominate and cause a strong CR

Comparator hypothesis - Conditioned inhibition

If CS+ predicts US, but CS+CS- does not, CS- alone will not elicit any direct pathway and therefore will inhibit the CR

Looking for action

Attention a CS commands after it is trained and elicits a CR effortlessly

Looking for learning

Attention a CS commands when they aren't paired with anything yet (have much to be learned about)

Looking for liking

Attention a stimuli commands due to its emotional value

Mackintosh attentional model

Attention to CS increases with subsequent trials if it's already a good US predictor

Pearce and Hall attentional model

Attention to CS decreases with subsequent trials if it's already a good US predictor

Temporal account of conditioning

CS is learned faster if ISI is constant and ITI is longer or ISI is shorter and ITI is constant

Thorndike vs. Skinner

Thorndike = operant training is the result of new S-R relationships


Skinner = operant training is the result of strengthened, existing S-R relationships

Law of effect

If the consequence (reinforcer) of a response is satisfying, the S-R relationship will be strengthened

Response shaping

Reinforcing behaviors that are succeaively closer to the operand response. Requires a clear desired response and division into appropriate steps

Positive reinforcement

Positive contingency, appetitive stimulus

Punishment

Positive contingency, aversive stimulus

Negative reinforcement

Negative contingency, aversive stimulus

Ommision training

Negative contingency, appetitive stimulus

Variability vs. Stereotypy

Rewarding behavior that has/has not been done before. Variable behavior can be successfully reinforced.

Relevance/belongingness

Operant response cannot be learned unless it is in some way natural to the subject

Shifting reinforced quality/quantity

Positive contrast encourages operant response while negative contrast discourages operant response

Contiguity of response-reinforcer

Shorter delay = stronger reinforcment

Conditioned reinforcer

Secondary reinforcment given when primary reinforcement cannot be to differentiate a behavior

Marking

Marking every response to make it more salient

Adventitious reinforcement

Belief that your behaviors are causing a reinforcment when they aren't

Terminal responses

Activities that increase when reinforcement is about to be delivered

Interim responses

Behaviors that increase in the middle of the ISI

Learned-heplessness effect

Impeded learning due to previous exposure to uncontrollable reinforcement

Activity deficit hypothesis

LHE is actually due to a learned conditioned response to freeze

Attention deficit hypothesis

LHE is due to the animal's unawareness of its own behavior after repeated shock

Stimulus relations in escape

Examines why escapable shock isn't nearly as bad for learning as inescapable shock