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Classic conditioning - Coggle Diagram
Classic conditioning
CC
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Sauce Béarnaise Phenomenon: acquired, permanent conditioned response→ misattribution: develops shortly after a single exposure to a particular stimulus
Neutral stimulus (CS; bell) repeatedly presented before the reflex is triggered → production of a new reflex
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Experiment of rats with noxious stimuli by John Garcia Conclusion: an evolutionary adaption to avoid spoilt or poisonous food→ preparedness hypothesis
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Preparedness = expectation based on genetic learning, Explanatory principle for many phobias
CC does not consider:
Blocking
Control group: Trained to tone + light CS preceding shock US -> Afterward, both tone and light produced modest CRs (freezing)
Pre-trained group: - Pre-trianed with light CS preceding shock US - then same tone+light CS training as in the control group - afterward, light produced large CR and tone produced none
Latent Inhibition: Pre-expose to CS repeatedly -> then pair CS with US -> Learning is inhibited -> Animal has learned that the CS is useless, has stopped paying attention
Timing
Best learning, when delayed conditioning (a)
Trace conditioning: optimal interstimulus interval (ISI) with less learning at delays too short or too long (b)
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Associative Bias: Some associations are innately easier to make. E.g. tone or taste; in nature: tastes -> getting sick vs. tone -> getting hurt
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Conditioned Compensatory Response: A CR that is the opposite if the UR -> helping to balance/ correct for the US-UR reflex
E.g inject adrenaline (US) -> heart rate increases (UR) -> repeated over time (CS) -> CS eventually comes to produce a decrease in heart rate (CR) -> helps maintain homeostasis against expected adrenaline injection
E.g. development of tolerance against alcohol -> smelling alcohol makes the body anticipate -> counterpart reaction
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