I wonder how many things like this there are. I have two that I am aware of. Musical anhedonia (a neurological condition characterized by an inability to derive

I wonder how many things like this there are. I have two that I am aware of. Musical anhedonia (a neurological condition characterized by an inability to derive pleasure from music) and I never dream while sleeping (I’ve never heard a name for this). In this case though, I am aware that others do have an emotional response to music and that others do dream while sleeping.