Final answer:
Psychology emerged as a separate scientific discipline in the 19th century with the work of scholars like Wundt and James. It has since evolved into a diverse field with various branches and focuses.
Step-by-step explanation:
Psychology emerged as a distinct discipline in the late 19th century, when scholars such as Wilhelm Wundt and William James established it as a science separate from philosophy. Prior to this, the study of the mind was approached primarily in a philosophical context. Over time, psychology has evolved from a focus on the mind to a thriving field that encompasses various branches, including cognitive psychology, developmental psychology, and clinical psychology.