The term "schizophrenia" was introduced over 100 years ago and it is a psychological disorder characterized by a loss of contact with reality as well as a disruption of thought, perception, mood, and movement. Throughout the years, a lot of information has been uncovered but there is still a lot of progress to be made in terms of understanding its etiology and in creating effective treatment options.
"Schizophrenia: Then and Now,"
Sound Neuroscience: An Undergraduate Neuroscience Journal: Vol. 1
, Article 15.
Available at: http://soundideas.pugetsound.edu/soundneuroscience/vol1/iss1/15