Mind maps are a visual thinking tool that organize information in a radial, graphical manner to aid in brainstorming, note-taking, planning, and summarizing. They utilize colors, images, and branches connected to a central concept to engage both sides of the brain. Benefits include improved information recall, flexibility to add new ideas, and easier identification of relationships between concepts. The document provides instructions on constructing mind maps according to basic principles and recommends additional resources on the topic such as books, blogs, videos and key figures in the field of mind mapping.