"Selective deafness" refers to the deliberate act of ignoring or pretending not to hear certain things while being able to hear perfectly fine. Full definition
Tough to train because of their high prey drive, stubborn independence, and selective deafness when on the hunt, the Jack Russell can frustrate even the most patient trainer. (soonervet.net)
Yet be prepared that you might also have a puppy that develops selective deafness should something more exciting come along! (animalso.com)
Your husband also appears to have selective deafness when it comes to hearing something he'd rather not act upon. (articles.chicagotribune.com)