Pavlov 1927

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  • Procedure
    • The metronome ticks at a steady pace when the food is being presented. The dogs associated the ticking with the food
    • Pavlov introduced a metronome(neutral stimulus) which they hadn't been in contact with before
    • Pavlov thought they were responding to the lab coats as they associated the food with the lab coats
    • He found them salivating before being presented with the food
    • The dogs were fitted with tubes which collected their saliva
    • He wanted to find out about the digestive system and the cerebral cortex where inbuilt reflexes occur
    • Russian Psychologist who used dogs in lab conditions
    • Pavlov 1927 Salivation in Dogs
      • Further Research
        • Pavlov tested reliability by carrying out further tests
        • He used different stimuli- vanilla, shapes, colours. He found that they could associate with different things
        • The conditioned stimuli has to be presented before the pairing (it doesn't work afterwards) However there could be a second condition (buzzer)
      • Conclusion
        • Signalisation in the brain links the metronome to the food
        • Natural inborn reflexes are needed aswell
        • Extraneous variables can easily interfere with conditioning
      • Evaluation
        • Objective
        • Reliable as it has been conducted more than once
        • He made assumptions about the cerebral cortex (low accuracy)
        • Hard to generalize (doesn't co-inside with humans)
        • Np ecological validity, done in a lab
    • Environmental stimulus that hadn't been associated before could now trigger salivation through conditioning. Conditioned stimulus (ticking) triggered a conditioned response (salivation)
    • Pavlov found that pairing took around 20 times to be an association
    • Salivation to metronome= conditioned/salivation to food=unconditioned


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