Conditioning Flashcards
What is cognition?
- Encompasses the activities of “the mind”
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Acquisition and use of knowledge
- Mental Representation → Format in which information is encoded, stored and reconstructed
- Thinking about things despite them not being physically there
What is the perceptual-cognitive cycle?
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Current experiences are a product of integrating the perceptual present and the cognitive past (current + prior knowledge)
- Implies a sentient being with emotions
- Actual World (modified) → Schema (directs) → Perception exploration (samples) → (back to actual world)
What is learning?
- Any long-lasting change in the way an organism responds based on its experience
- Make meaning from their experiences
- Predicting the future from past experience → Use to guide behaviour
What is a reflex?
- Behaviour that is elicited automatically by an environmental stimulus
What is a stimulus?
- Something in the environment that elicits a response
What is habituation?
- Decreasing strength of a reflex response after repeated presentations of the stimulus
- Neurons dampen signal → Enable you to tend to other things
- Driven by antecedent stimuli
- Smell of cafe = Positive emotions of pastries
Non-associative
What is sensitisation?
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Temporary state of heightened attention and responsivity that accompanies sudden events
- Alert to potentially threatening stimuli
- Increased response to subsequent stimuli
Non-associative
What 3 assumptions do learning theories usually share?
- Experiences shape behaviour
- Learning is adaptive
- Careful experimentation can uncover laws of learning
What is conditioning?
- Learning predictive relationships
- Associations between stimuli that reliably predict biologically significant events → Adaptive responses
- Involves learning the causal structure of environment
- “If X (CS), then Y (UCS)”
Associative
What are biologically significant stimuli?
- Unconditioned stimuli → Naturally produce an autonomic - involuntary - unlearned response
- Stimuli that naturally cause responses that are…
- Defensive (FFF)
- Appetitive → Approach
- Reflexive
- Stimuli that are inherently punishing/ rewarding
- Affect physiology (e.g. loud noise)
What are the laws of association?
- Conditions under which one thought becomes connected with another → To account for learning and memory
- Law of Contiguity - 2 events experienced close together will become connected
- Law of Similarity - Objects that resemble each other will likely be associated
What are the components of classical conditioning?
- Before
- UCS → Produces UCR without learning
- NS → No response
- During
- Acquisition - UCS repeatedly paired with NS
- Simultaneous or NS no more than 0.5s before UCS
- After
- NS → CS
- CS produces CR without UCS
What are 3 types of conditioned responses?
- Conditioned taste aversions
- Conditioned emotional responses
- Psychoneuroimmunology and conditioned immune responses
Describe conditioned taste aversions
- Learned aversion to a taste associated with an unpleasant feeling (e.g. nausea)
- Crucial to survival
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Does not require cortical involvement
- But must be conscious during CS presentation
- Involves basolateral amygdala
- Can develop rapidly → One or two exposures
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Can be negative
- Food aversions before catching a flu
Describe conditioned emotional responses
- NS paired with stimulus that evokes an emotional response
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Phobias
- Negative because knowledge doesn’t help → Fear response activated in pathway not in cortex’s control
- Can also condition empathy
Describe psychoneuroimmunology (PNI) and conditioned immune responses
- PNI → Study of the interaction between psychological processes and the nervous and immune systems of the body
- Chemotherapy → Side-effect of suppressing activity of cells that fight off infection
- Stimuli associated with chemotherapy (CS) provokes a weakened immune response (CR)
What is stimulus generalisation?
- Association formed → Learn to have CR’s to things similar to the CS
- More similar = More likely to generalise
- Principle of similarity
What is stimulus discrimination?
- Learned tendency to respond to a restricted range of stimuli/ only to the stimulus used during training
What is extinction? (CC)
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CR is weakened overtime by the presentation of the CS without the UCS
- Learned inhibition NOT unlearning
- Effective when in multiple sessions → Spaced apart → Multiple contexts
- Occurences earlier in life are less likely to be subject to spontaneous recovery
What is spontaneous recovery?
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Re-emergence of a previously extinguished CR
- Similar context to original learning experience - Cues
- Typically short-lived
- Will rapidly extinguish again without renewed pairings of the CS and UCS
What is rapid reacquisition?
- Re-learning the CR after sustained extinction
- Would learn more quickly
What is the difference between spontaneous recovery and rapid acquisition?
- Spontaneous Recovery
- CS presented alone
- Unintentional
- Rapid Acquisition
- Both NS/CS and UCS
- Intentional retraining
What are factors that affect classical conditioning?
- Interstimulus Interval
- Time between presentation of CS and UCS
- Maximal conditioning when NS before UCS → Predicting
- Individual’s Learning History
- Previously extinguished response more likely to come back
- Blocking → CS2 cannot produce CR because of previous pairing with CS1
- Latent Inhibition → NS presented alone hinders acquisition
- Preparedness to Learn
- Prepared Learning → Readiness to learn some associations more easily (survival)
What is the law of prediction?
- Proposed to replace the law of continguity
- Suggests that CS-UCS association will form when the presentation of the CS predicts the UCS
- In line with evolutionary theory → Connect stimuli in ways that are adaptive