Freud publishes the interpretation of dreams and the psychodynamic approach is born. Emphasises the influence of the unconscious mind, behaviour and psychoanalysis
The biological approach begins to establish itself due to advances in technology (e.g., MRI and PET scans) creating more understanding of the brain and biological processes
Wundt conducted controlled experiments with a stimulus to get participants to explain their first thought with the stimulus (e.g., a light, image or sound).