... Pavlov also found that the basic conditioning process could be made more flexible by generalisation. A buzzer with a different tone than the original will elicit the conditional response if they are similar to the original or perhaps a tapping noise will probably elicit the salivary response. Also animals maybe taught to chose between stimuli, to discriminate by conditioning them to choose. Thus is if presentation of food is paired with presentation say of a circle shape, which Pavlov was using. The animal become conditioning to salivation at the appearance of the circle. However, although different colours of circles can be represented with food a dog can be conditioned that it only discriminate the others for the white circle. By reinforcing only the presentation of white circle stimulus the other circles are not reinforced by the accompaniment of the food and salivation at their appearance soon stops. One learned a ...

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