Psicologi, or psychology, is the scientific study of the mind and behavior. It explores how people think, feel, and act in various situations. Psychologists use research and observation to understand mental processes and emotional responses, aiming to improve mental health and well-being. The field of psicologi encompasses various sub-disciplines, including clinical psychology, which focuses on diagnosing and treating mental disorders, and developmental psychology, which studies how people grow and change throughout their lives. Other areas include cognitive psychology, social psychology, and neuropsychology, each contributing to a comprehensive understanding of human behavior.