The development of an "ego identity" through one's life

The hypothesis that in response to environmental changes, a physiological change happens first, which then prompts an emotion

The instinct to satisfy "deficiency needs" in order to avoid unpleasant feelings or outcomes

The many different archetypes that represents a person during the process of individuation

A type of learning that occurs when a subject continually experiences a stimuli and corresponding response, and thus begins to associate the two together