YOU SAID:
I think they caught up to my brain
INTO JAPANESE
彼らは私の脳に追いついたと思う
BACK INTO ENGLISH
I think they caught up with my brain.
INTO JAPANESE
彼らは私の脳に追いついたと思います。
BACK INTO ENGLISH
I think they caught up with my brain.
That didn't even make that much sense in English.