John Wilkes Booth was the son of prominent, wealthy actors. He, too, became an actor and was so popular, he was one of the first to have his clothes ripped off by fans. Hulton Archive/Getty hide caption
Psychology is the systematic investigation of the human mind, including behavior and cognition. It thus encompasses both normal and abnormal behavior. On the other hand, psychiatry is a branch of medicine dealing with mental illness.
Difference Between Psychologist and Psychiatrist. It is quite common for people to consider the terms â psychiatrists â and â psychologists â as the same. However, there are significant points of differences between the two, especially when the professions and the services that they provide are taken into consideration.t is quite common for people to consider the terms â psychiatrists â and â psychologists â as the same. However, there are significant points of differences between the two, especially when the professions and the services that they provide are taken into consideration.