Question

Jennifer normally experiences a flood of romantic feelings whenever she smells a particular cologne because it reminds her of her boyfriend. Thankfully, when her younger brother wears the same cologne, she does not experience the same feelings. This is an example of

Answer 1

based on the scenario, we can conclude that it's an example of : Stimulus discrimination
In stimulus discrimination, an exception happen which prevent the normal occurrence to happen from a specific stimulus

hope this helps