Neuroscience also known as Neuro Biology or Neural Science, is the study of how the nervous system grows its structure, and functions in the body. Neuroscientists focus on the brain and its impact on behaviour and cognitive functions. Not only is neuroscience concerned with the normal functioning of the nervous system, but also with what happens to the nervous system when people have neurological, psychiatric, and neurodevelopmental disorders. Neuroscientists typically cover numerous branches at the same time. The following branches of neuroscience, based on research areas and subjects of study can be broadly categorized