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For several decades now, scientists and psychologists have been trying to link the mind and the brain. A sophisticated picture is emerging that conceptualizes mental illnesses as disorders of mind arising in the brain. There have been several researches done on mental illnesses in recent years, supported by conceptual and technological developments in cognitive neuroscience. Several of these researches have been on schizophrenia, depression, and hallucinations. The article in which I will be critiquing will be: Andreasen, N.C. (1997). Linking mind and brain in the study of mental illnesses: A project for a scientific psychopathology. Science, 275 1586-1593. There wasn’t actually a study done in this article but there were results from other researches done on people with schizophrenia and depression and also on normals. The investigators of those researches were not named. The topic of interest was well measured. Detail and explanation was excellent. Pictures of the human brain (frontal cortex) are shown to explain the activity of the brain and the links between the brain and activity. The human brain was the subject of study. A systematic study of hallucinations showed the activity in the brain. It was hypothesized