11 likes, 0 comments - psychologsmagazine on February 1, 2026: "Remembering Karl Duncker, a Gestalt psychologist whose work on insight and problem-solving introduced the concept of functional fixedness, revealing how habitual thinking can limit creativity. His ideas continue to shape our understanding of human cognition, learning, and creative thinking. #KarlDuncker #GestaltPsychology #FunctionalFixedness #InsightLearning #CognitivePsychology #PsychologyHistory".