YOU SAID:

my brain frazzled reading that thing

INTO JAPANESE

私の脳はそのことを読んで困惑しました

BACK INTO ENGLISH

My brain was puzzled to read that

INTO JAPANESE

私の脳はそれを読むのに戸惑いました

BACK INTO ENGLISH

My brain was confused to read it

INTO JAPANESE

脳が混乱して読んでいた

BACK INTO ENGLISH

My brain was confused

INTO JAPANESE

私の脳は混乱していた

BACK INTO ENGLISH

My brain was confused