Answer:
Stimulus Discrimination
Explanation:
Stimulus Discrimination -
It is the method , by which the body or mind responds to only certain type of stimulus , is referred to as stimulus discrimination.
This is a type of discrimination between the stimulus , where the body responds to one a specific type .
Hence, from the question,
Travis feel very warm and happy listening only the particular song , she danced with his girlfriend.
This showcase Stimulus Discrimination .