How good is your memory? Test your skills with a YouTube viral video quiz

Internet cats, selfies, and The Harlem Shake

(Getty Images)

So, you want to test your memory? Watch the fast-paced medley of the greatest videos on YouTube below, and answer the questions in the quiz.

Be sure to pay close attention to every detail in the clip - and don't cheat!

How did you do? Lets us know in the comments below. If you didn't perform as well as you'd hoped, don't worry. Many studies have shown that it is possible to improve your memory with some simple lifestyle changes.

Scientists have found that that sleeping for between seven to nine hours a night; cutting saturated fats from your diet; and exercising can help you retain information better, The Huffington Post reported.