This text provides a comprehensive chronology of psychology, tracing its evolution from philosophical roots and early studies on hypnosis to modern cognitive and social sciences. It highlights influential figures like Sigmund Freud, Carl Rogers, and Abraham Maslow, detailing their foundational theories on the unconscious mind, humanistic growth, and behavioral conditioning. The passages explore diverse specialized fields, including social psychology's focus on group conformity and developmental psychology's insights into childhood attachment. Key experiments are summarized to illustrate how researchers have investigated memory reliability, personality traits, and the impact of environmental triggers on human emotion. Ultimately, the source serves as a detailed reference for understanding how the study of mental processes has transitioned into a rigorous academic discipline.