Talking out loud is even better. There is something about forcing your thoughts into language...
Those are 2 very different things for some people ;)
I, for one, can think MUCH faster without speaking out loud, even if subvocalize real words (for the purpose of revealing gaps) and don’t go all the way to manipulating concepts-that-don’t-have-words-yet-but-have-been-pointed-to-already or concepts-that-have-a-word-but-the-word-stands-for-5-concepts-and-we-already-narrowed-it-down-without-explicit-label …
Those are 2 very different things for some people ;)
I, for one, can think MUCH faster without speaking out loud, even if subvocalize real words (for the purpose of revealing gaps) and don’t go all the way to manipulating concepts-that-don’t-have-words-yet-but-have-been-pointed-to-already or concepts-that-have-a-word-but-the-word-stands-for-5-concepts-and-we-already-narrowed-it-down-without-explicit-label …