Cognitive imaging is one of the popular and vast fields of studies nowadays. Medical field is trying to incarcerate knowledge as much as it can in this field. Cognitive imaging is the study of brain. We can take it as a physiological technique for reading mind. However, medical science researchers are considering it as a complete subject to show the unique and outstanding results to the outer world. It is just like a MRI or CT scans technique of the brain by which you can clearly see the inside brain structure and abnormalities if any found in brain. It demonstrates the brain activities for comparison and for treatment. Cognitive imaging is used to deal with the patients of Schizophrenia. More changes and enhancements are going on in the particular filed to gain the maximum output and to treat maximum patients via using the mentioned technique.