The role of visualization techniques in memorizing facts for UPSC is significant, as it activates the brain's spatial memory and enhances recall. Aspirants can create mind maps or visual aids to represent complex information, such as timelines or thematic connections. Associating facts with mental images allows for easier retrieval during examinations. Techniques like the method of loci or storytelling can also reinforce memory by embedding facts within imaginative scenarios. Consistent practice of these techniques can lead to improved information retention, making it easier to recall facts under pressure.