Do you have a voice in your head?

Most of us believe that we all have a voice in our head that we listen to.

This "voice in your head" is called "Inner Monologue".

It came as a surprise to me when my friend told me that many people do not have this inner monologue.

More on this research here:

https://www.scientificamerican.com/article/not-everyone-has-an-inner-voice-streaming-through-their-head/