In a zero contingency, the unconditioned stimulus also occurs randomly at other times. When this happens, it means that the conditioned stimulus does not predict the unconditioned stimulus.
With no prediction present, the dog does not make the desired association. So, Pavlov’s dog would not learn that that bell is associated with the food, and therefore wouldn’t salivate when he hears the bell.
A chemical compound that can be used to sterilize male dogs without surgery. It contains zinc gluconate and arginine, an amino acid.
The brand name for a nutraceutical compound derived from cow’s milk. These products are said to promote calmness and decrease anxiety in dogs with mild behavioral problems.