The Interactive Mind Maps feature in NotebookLM transforms key concepts from users' notes into a visual, branching diagram that organizes information hierarchically1. Each node in the Mind Map represents a concept drawn from the user's notes, with expandable subnodes that break down information into more digestible parts2. This dynamic structure allows users to grasp relationships between various ideas quickly, navigating complex topics without sifting through pages of text23. The feature not only summarizes uploaded sources but also enables users to explore new connections and gain a deeper understanding of their material4.

To utilize the Mind Map feature, users simply need to open a notebook in NotebookLM and click the 'Mind Map' button located under the chat summary12. Within seconds, an interactive visual representation of their content will be generated in the Notes section of the Studio panel3. Users can expand nodes by clicking arrows to reveal subnodes, allowing for a deeper exploration of specific concepts. The feature also supports downloading Mind Maps as PNG images, enabling easy sharing and incorporation into study materials1. This tool has proven particularly effective for students preparing for courses, as demonstrated by a user who organized core concepts from eight sources into a nine-node Mind Map for an Object-Oriented Programming course1.

The Mind Map feature in NotebookLM offers several key advantages for users:

• Enhances learning efficiency by providing clear visual summaries of sources

• Facilitates quick navigation to specific topics within complex information

• Aids in discovering new connections between different pieces of information

• Allows users to delve deeply into specific concepts through follow-up questions

• Supports the creation of structured visual representations of notebook sources

These benefits position NotebookLM as a more comprehensive study aid, potentially challenging other popular educational platforms like Obsidian1. Users have expressed enthusiasm over how the feature has already begun to transform their study sessions, enhancing both the effectiveness and engagement of their learning process23.

The rollout of the Mind Map feature began on March 19, 2025, with Google assuring users that everyone should have access within two weeks12. This new functionality is available to both free and paid NotebookLM users, democratizing access to this powerful learning tool3. The gradual implementation allows Google to monitor and refine the feature based on initial user feedback, ensuring a smooth integration into the existing NotebookLM ecosystem.