Cognitive competitions are events where individuals or teams engage in tasks that test their mental abilities, such as problem-solving, memory, and critical thinking. These competitions often include activities like quizzes, puzzles, and strategy games, encouraging participants to think quickly and creatively. Participants in cognitive competitions may come from various backgrounds, including students, professionals, and enthusiasts. Popular formats include academic decathlons, chess tournaments, and brain games, which aim to enhance cognitive skills while fostering teamwork and collaboration among competitors.