Ivan Pavlov's Dog experiment, Classical Conditioning

Ivan Pavlov's Dog experiment measuring saliva secretion in response to unconditioned stimuli, leading to the discovery of classical conditioning.

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  • Ivan Pavlov
  • trying different techniques he rang a bell whenever they were fed, eventually, without food the dogs drooled at the sounds of the bell
    • Founded Classical Conditioning
      • A method of learning through association, negative or positive.  Applies to mammals and discovered in dogs by Pavlov. learned response to the previously neutral stimulus
      • He studied what signals triggered related phenomena, such as; secretion of saliva when a dog encounters food, (saliva  pours)
        • He noted the dogs drooling with improper stimulus eg the scientist that brings the food.
          • The dogs had learnt to associate the lab coats as a reliable indicator that food was coming.
            • trying different techniques he rang a bell whenever they were fed, eventually, without food the dogs drooled at the sounds of the bell
              • Founded Classical Conditioning
                • A method of learning through association, negative or positive.  Applies to mammals and discovered in dogs by Pavlov. learned response to the previously neutral stimulus
                • He studied what signals triggered related phenomena, such as; secretion of saliva when a dog encounters food, (saliva  pours)
                  • He noted the dogs drooling with improper stimulus eg the scientist that brings the food.
                    • The dogs had learnt to associate the lab coats as a reliable indicator that food was coming.
    • His discoveries  paved the way for an objective (view of/ science of) behaviour.
      • Conditioning forms the basis of much of learned human behavior. Nowadays, this knowledge has also been exploited by commercial advertising. An effective commercial should be able to manipulate the response to a stimulus (like seeing a product's name) which initially does not provoke any feeling. The objective is to train people to make the "false" connection between positive emotions (e.g. happiness or feeling attractive) and the particular brand of consumer goods
      • Pavlovian training has been used in anti-phobia treatment as one example. An important principle in conditioned learning is that an established conditioned response (salivating in the case of dogs) decreases in intensity if the conditioned stimulus (bell) is repeatedly presented without the unconditioned stimulus (food). This process is called extinction.
    • Why important for humans
      • His discoveries  paved the way for an objective (view of/ science of) behaviour.
        • Conditioning forms the basis of much of learned human behavior. Nowadays, this knowledge has also been exploited by commercial advertising. An effective commercial should be able to manipulate the response to a stimulus (like seeing a product's name) which initially does not provoke any feeling. The objective is to train people to make the "false" connection between positive emotions (e.g. happiness or feeling attractive) and the particular brand of consumer goods
        • Pavlovian training has been used in anti-phobia treatment as one example. An important principle in conditioned learning is that an established conditioned response (salivating in the case of dogs) decreases in intensity if the conditioned stimulus (bell) is repeatedly presented without the unconditioned stimulus (food). This process is called extinction.
    • unconditioned stimulus=a reflex, innate in our bodies, we are biologically born with a stimulus e.g. pain or hunger that elicits a response from birth.

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