During an earlier period, behaviorism reigned supreme as the prevailing perspective in psychology. This particular theory asserted that all our behaviors are acquired through interactions with the surrounding environment. Its primary focus lies solely on observable behavior, disregarding thoughts and emotions. However, as time progressed, researchers grew more intrigued by the internal processes that influence behavior rather than solely examining outward actions. During the cognitive revolution in psychology, a significant shift took place. It marked a period of extensive research exploring various aspects such as memory, attention, and language acquisition.Cognitive psychology is an essential discipline that aids researchers in understanding the complex functioning of the human brain. Moreover, it enables psychologists to offer valuable assistance to individuals. The focal point of this book is cognitive psychology, as it provides a comprehensive examination of its definition and sheds light on its historical evolution. Additionally, the book delves into the current avenues of research within this field, providing a deeper understanding of its contemporary progress.