Mind maps, also known as concept maps or spider diagrams, help you to get ideas down on paper when you can't think where to start. They help you see connections and provide an overview of key points.
You can also use mind maps as a visual technique in revision.
When you use mindmapping techniques, you are unpacking ideas across the page and maximising active learning. Mindmaps enable you to expand on ideas, show relationships between them, and highlight these using different colours.