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LEARNING (Instrumental conditioning: behavior predicts consequence…

- - - - condition with classical: US - loud bang, UR- startled, CS - rat, CR - fear
      - explain with operant: response - escape rat, reinforcement - relief (negative reinforcement)
  - - - extinction burst - eliminate behavior by refusing to enforce it
- - - - unlearnt behavior
  - - - forward pairing is more effective than backward pairing
        
        forward pairing: CS before US eg bell before food
        
        bc signal/predict event
        
        simultaneous pairing: same time
        
        backwards pairing: CS after US
      - higher order conditioning: NS and US paired so often NS can become an unconditioned response
        
        weaker
    - - this suggests brain may have active inhibition: "stop doing CR because US no longer there!", not just weakening response
      - another novel stimuli can disrupt CS-US pairing CHECK
    - - think stimuli similar to a conditioned stimuli to elicit similar response
    - - learnt ability to distinguish between CS and a slightly similar stimuli that doesn't signal US
  - - - somewhat informative, so if predict always have US when have CS and no CA - not informative, If predict US occurs 50% of the time when CS is there but never when CS not there, somewhat informative
      - stronger predictability elicit more responses