Neurology is a branch of medicine dealing with disorders of the nervous system and deals with the diagnosis and treatment of all categories of conditions and disease involving the central and peripheral nervous systems including their coverings, blood vessels, and all effector tissue, such as muscle.

Psychiatry is the medical specialty devoted to the diagnosis, prevention, and treatment of mental disorders. These include various maladaptations related to mood, behavior, cognition, and perceptions.

Psychologists explore behavior and mental processes, including perception, cognition, attention, emotion, intelligence, subjective experiences, motivation, brain functioning, and personality.

Hopefully I'm not coming off as argumentative

Hopefully, you are because I love to debate. My wife says that I will argue with a stop sign. She's right. And, I'll win the argument, too. (Ahem...) Please don't worry about discussing anything on any side, with me.