block stutter and how it actually happens

block stutter and how it actually happens I used to stutter from a very young age, I stuttered for a few years, but then it eventually became less. It is still apparent, just not as severe as it used to be. I was just reflecting on stuttering and researching about it actually just now, and I remembered that my exact type of stuttering is, what I think is called, block stuttering. What I saw online. Basically my type of stutter is where I actually cannot get the word out, I didn’t repeat words, nor letters, I just quite literally couldn’t get the word out, and no noise or sound comes out. So then I was curious, perhaps someone on here may know, but what is the physical explanation of block type of stuttering? Like how does it work where you physically just cannot get the word out? Is it something more mental or is it more physical? Something with the actual throat or maybe muscles? Sorry if this is a dumb question, I’m just curious. Maybe somebody has an answer.