You might be tongue tied
To test if you are tongue tied open your mouth as wide as you could if you can’t reach the spot behind your front teeth than you are tongue tied
There was kid who had could not formulate sentence and doctors were saying he has neurological disease but simple tongue tie release surgery solved
Practice talking infront of people, like family or friends. That’s the only way to cure your anxiety. You will feel horrible in the beginning but after a while of practicing you will get used to the pressure of talking infront of a crowd.
Social anxiety is fake and something you created. You should remember no one is listening to you when you do presentations which will make the anxiety go away. They are using their mobile or they are daydreaming about something. Not even the macalin is listening.
Anxiety makes the muscles in the tongue stiff so if your tongue was not flexible enough it won’t be able to touch positions in your mouth to make speech and then your brain would get confused and you get stuck or blocked speech
Stuttering is not caused by anxiety