"The more connections that can be made in the brain, the more integrated the experience is within memory," writes Don Campbell, author of the best-selling book The Mozart Effect. Whether or not listening to Mozart makes you smarter, as Campbell contends, neuroscientists now know that the more links a memory makes in your brain, the more likely you are to remember it. Hence the idea behind mnemonics, clever devices that help you fix memories—whether of names, numbers, or lists—in your brain by mooring them to other memories. The following set of puzzles are all based on common mnemonic systems.
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