Pavlov's+dog

Ivan Pavlov was looking at dogs’ salivation in response to being fed. He added one more factor – ringing of the bell. It appeared later that hearing the bell by the dog was causing the animal to salivate. Pavlov used the term **unconditioned stimulus** for the food and **unconditioned response** for the dog’s salivation. Therefore, the ringing of the bell was **conditioned stimulus** and salivating on hearing the bell despite seeing any food was **conditioned response**. Pavlov’s research had a giant impact for behaviourist strategies and further investigations.

media type="youtube" key="CpoLxEN54ho?rel=0" height="360" width="480" align="center"

source: http://www.youtube.com/watch?v=CpoLxEN54ho

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