Why do we think and feel as we do? For years man has sought to understand the workings of the mind. This 6 part series examines modern-day technology and the developments in neuroscience, where a whole new world of brain research continues to make advancements. Understanding our minds is becoming a reality. Guided by top neuroscientist Susan Greenfield, Brain Story attempts to answer the question "What is my mind and who am I?" We talk to philosophers, clinicians, neurosurgeons and their patients to discover quite what a finely balanced and complex machine the brain is. Following the footsteps of the hugely popular Human series.