Muttering under your breath, cursing, etc is a form of emotional regulation. That's why it helps you focus, which is very cool. If you were hooked up to an MRI

Muttering under your breath, cursing, etc is a form of emotional regulation. That's why it helps you focus, which is very cool. If you were hooked up to an MRI and asked to do a coding challenge, but were prohibited from talking/regulating, I'd bet your amygdala would be more engaged compared to your control.