When you hear a full song, say one that is 3 minutes long, it gives you multiple layers of instrumentals and also the lyrics and their qualities for 3 whole minutes. Because of this, your brain passively interprets the song and becomes kind of fatigued. After only 19 seconds however, the brain only absorbed a little and has more time to actively process it. If the song is significantly catchy, it can become stuck in your head.
Latest Answers