Cognitive psychology is the scientific study of mental processes involved in acquiring, processing, storing, and using information. It focuses on understanding how people perceive, attend, remember, think, solve problems, make decisions, and use language. The development of cognitive psychology has been shaped by contributions from philosophy, psychology, linguistics, computer science, and neuroscience. The roots of cognitive psychology can be traced back to ancient Greek philosophers such as Plato and Aristotle, who debated the nature of knowledge, memory, and reasoning. During the seventeenth century, philosophers like René Descartes emphasized rational thought, while John Locke proposed that knowledge is acquired through experience. These philosophical discussions laid the conceptual foundation for the scientific study of cognition. The formal study of cognitive processes began in the late nineteenth century with Wilhelm Wundt, who established the first psychological laboratory in 1879. Wundt used introspection to study conscious experience. William James also contributed significantly by emphasizing attention, habit, memory, and consciousness in his functional approach to psychology. Although early psychologists were interested in mental processes, their methods lacked objectivity. During the early twentieth century, behaviorism became the dominant school of psychology. Psychologists such as John B. Watson and B.F. Skinner argued that psychology should study only observable behavior and rejected the study of internal mental processes. As a result, research on thinking, memory, and perception declined for several decades. The Cognitive Revolution of the 1950s marked a turning point in psychology. Researchers recognized that behavior alone could not