For me there is definitely a difference between voluntary and involuntary. I can imagine speaking to myself, for example. I do/did that when writing this very s

For me there is definitely a difference between voluntary and involuntary. I can imagine speaking to myself, for example. I do/did that when writing this very sentence. But if I'm not consciously generating language (ie speaking or writing, or thinking about either) then it's nice and quiet in my head :)