In the early 20th century, the burgeoning field of psychology underwent revolutionary changes. Sigmund Freud's theory of psychoanalysis shifted the perception of mental illness from mere moral failing to a complex interplay of unconscious desires and childhood experiences. His emphasis on the importance of the unconscious mind and the efficacy of talking therapies opened doors for new therapeutic practices.
Simultaneously, behaviorism emerged, led by figures like John B. Watson and B.F. Skinner, who argued that psychology should be rooted in observable behavior rather than the invisible psyche. They contended that behaviors can be measured and modified through reinforcement and conditioning, thereby neglecting the internal processes that Freud championed.
The dichotomy between these two schools of thought created a vibrant debate within psychological circles, influencing approaches to both therapy and research. While psychoanalysis sought to explore hidden memories, behaviorism concentrated on visible interactions. Eventually, a synthesis of these approaches would help pave the way for modern psychology.