ACAT Psychology Complete Practice Test 2026

The psychosexual theory of development, proposed by Sigmund Freud, emphasizes the importance of pleasure-seeking urges and their influence on personality formation during childhood. According to this theory, individuals pass through several distinct stages—oral, anal, phallic, latency, and genital—each characterized by specific erogenous zones that become the focal point of pleasure-seeking behavior. Freud believed that how these urges are managed or conflicted during these stages significantly affects a person's psychological development and future behavior patterns.

For instance, during the oral stage, the mouth is the center of pleasure, and disruptions or fixation can lead to challenges later in life, such as dependency issues or oral fixation behaviors. This focus on pleasure-seeking urges highlights the interplay between childhood experiences and adult personality, central to Freud's overall view of human development.