noun
psychopathology
Academic and medical term for the study of mental disorders.
彼は大学で精神病理学を専攻している。
He is majoring in psychopathology at university.
精神医学 (psychiatry) is the broader medical specialty, while 精神病理学 focuses specifically on the pathology of mental disorders.
Compound of 精神 (mind, spirit), 病理 (pathology), and 学 (study). The term is a direct translation of the Western concept of psychopathology.