Occasionally when I’m very stressed I’ll get the sensation that I’ve forgotten how to swallow, usually just with liquid, I take a sip and go to swallow and it’s like the muscles forgot how to engage. Again this is very rare and tends to be a more when I think about it kind of thing, an ENT told me anxiety can cause swallowing issues and didn’t seem too concerned and since it’s not something that ever lasts long (happens once and is gone typically) I don’t believe it to be tied to anything either I just find it odd.