Have you learned a word or concept or seen an item and then suddenly see it everywhere? You’re left with a sense of confusion as to why that thing is so much more common now. That concept right there is the Baader-Meinhof phenomenon. Like deja vu where you’ve seen something before but don’t know from what, the Baader-Meinhof phenomenon also experiences that but focuses more on how much more frequently you see that recurring thing.
After having a rough day, sometimes we just want to blast sad music and sing along with lyrics that match what we are feeling. The paradox– that we listen to sad music to feel better– is a question that researchers have asked for years and are beginning to understand.