The human brain is the most complex organ in the human body, and perhaps the most remarkable. It is often described as a mysterious, least-explored region and we are far from understanding it in detail. Much knowledge has been gained over the past years with the advancement of neuroimaging methodology, which begins to provide insight into the vastness of brain function and resiliency. A greater understanding of how the brain functions, will help clinicians to develop more effective ways to treat patients with various disorders related to brain function. Here we use non-invasive technologies such as functional and structural MRI to explore the different cognitive functions (i.e. attention, memory, language, etc.) of the human brain as well as to prepare a structural and functional connectivity neural network in disease and normal populations. This will help to identify the causes, treatments, and potential cures for neurological, psychiatric, and often fatal diseases. It may prevent people from developing these conditions in the future or cure people of them. However, there are many other important brain functions that remain to be studied in depth.