The Influence of Social Anxiety on Developmental Processes, Personality, and Clinical Issues Based on Heterotypic and Homotypic Continuity
Understanding social anxiety disorder (SAD) through a developmental lens brings depth to how we see the condition unfold over time. Two important concepts, homotypic and heterotypic continuity, help explain how anxiety occurs across different life stages. Homotypic continuity refers to when the same symptoms persist across time. For example, a child who shows signs of shyness and fear of social judgment may continue to struggle with similar symptoms into adolescence and adulthood (Beesdo-Baum & Knappe, 2012). Conversely, heterotypic continuity describes how early traits evolve into different symptoms later. A preschooler with extreme behavioral inhibition might not show "typical" anxiety until they reach school age, where they start avoiding peer interactions or speaking up in class (Chronis-Tuscano et al., 2009). The root is the same, fear of social evaluation, but the behavior changes with age. Add personality to the mix,...