The mind is a powerful weapon and it can be used to perceive, control, behave, etc. The study of various processes the brain can perform is known as cognitive psychology. As a sub-discipline of psychology, cognitive psychology refers to the analyses and examination of the memory, attention, thinking, creativity and problem-solving parts of the brain. It is applied in many different areas such as development psychology, abnormal psychology, educational psychology, personality psychology, social psychology, etc. This book attempts to understand the multiple branches that fall under the discipline of cognitive psychology and how such concepts have practical applications. Such selected concepts that redefine this area have been presented in it. Those in search of information to further their knowledge will be greatly assisted by this textbook.