I suspect almost everyone has a little synaesthesia, just like almost everyone has a little depression, a little anxiety, a little Borderline Personality, a lit

I suspect almost everyone has a little synaesthesia, just like almost everyone has a little depression, a little anxiety, a little Borderline Personality, a little schizophrenia... I guess it's only worth giving your mental quirks a name if, say, they're 2σ above norm. I dunno, ask your doctor (or statistician :P).