Difference between psychology and mind in Korean
심리·정신

심리psychology
Psychology (심리) is the study of the mind, feelings, and behavior. You can use this word when talking about a school subject, a class, or books about how people think. It is also used in everyday phrases about understanding someone's mind.

정신mind
The word (정신) means the mind, thoughts, or attention. People also use it when talking about being focused, calm, or mentally tired. In school, it is often used when someone needs to pay attention and focus.
The difference
정신 means the mind or mental state itself. 심리 is the study or understanding of how people think and feel.