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Method of Loci

Method of Loci

The human brain, a remarkably intricate and potent organ, possesses the ability to retain immense quantities of information. Nevertheless, the skill required to tap into this potential frequently remains beyond our grasp. Introducing the method of loci, an age-old mnemonic technique that utilizes spatial memory and visualization to bolster retention and retrieval capabilities. 

Historical Background of Method of Loci

The Method of Loci History

The Method of Loci, a timeless memory-enhancing technique, has a rich and intriguing history that dates back to ancient times. Its origins can be traced back to the 5th century BC, in the bustling city-states of Ancient Greece.

The story is centered around the poet Simonides of Ceos, who lived from 556 to 468 BC. According to the Roman rhetorician Cicero, Simonides was attending a banquet when he stepped outside for a moment. In a twist of fate, the roof of the banquet hall collapsed, killing everyone inside and leaving the bodies unrecognizable. However, Simonides found that he could recall the location of each guest at the banquet, which helped in identifying the victims. Cicero wrote, "Simonides, from the image of the place, was able to point to the relatives the bodies for burial."

This event led Simonides to develop the Method of Loci, a technique that involves associating items you want to remember with specific physical locations. This method quickly gained popularity in ancient Greece and Rome, where it was used by orators to memorize their speeches. The term "loci" is Latin for "places," reflecting the technique's reliance on spatial memory.

Fast forward to the Middle Ages, the Method of Loci was a favorite tool of scholars. Thomas Aquinas, a prominent theologian of the 13th century, wrote in his work "Summa Theologica," "The imagination is helped by the assignment of images to places, to see according to a certain order."

Even today, it's used by competitors in memory championships. Dominic O'Brien, an eight-time World Memory Champion, once said, "The ancient Greeks discovered the art of memory. It's all about imagination and location." Despite its ancient origins, the Method of Loci remains a powerful tool in the modern world of memory enhancement.

How the Method of Loci Works

How the Method of Loci Works

The technique works by associating the items you want to remember with specific locations in a familiar place, such as your home or a favorite park. You then navigate through this 'memory palace' in your mind, retrieving the information as you 'see' the associated images in each location. If you're interested in learning about the effect of memory on intelligence read this article about the elements of IQ.

For example, if you wanted to remember a grocery list, you might visualize walking through your house, with each room representing a different item. The living room could be filled with giant apples, the kitchen overrun by a herd of milk bottles, and the bathroom overflowing with rolls of toilet paper. The more vivid and unusual the image, the more likely you are to remember it.

The method of loci (MOL)
Step Description Examples
1. Choose a Location Pick a familiar place that you can clearly visualize. It could be your house, your route to work, a favorite park, etc. Your house
2. Identify Distinctive Features Identify specific and distinctive features of your chosen location. These will serve as the 'loci' where you'll place the items you want to remember. The front door, the kitchen, the living room, the bedroom, etc.
3. Visualize the Information Assign each piece of information to a specific feature. Create a vivid image in your mind that connects the piece of information to the feature. The more unusual or emotive, the better. Visualizing a giant piece of broccoli cooking on the stove to remember to buy broccoli.
4. Walk Through Your Location Mentally walk through your location, observing each feature and the piece of information it holds. This helps reinforce the associations in your memory. Start at the front door and move room by room, observing each item.
5. Retrieve Information To retrieve the information, simply walk through the location in your mind again. The items you placed at each feature should come back to you. Walk through your house in your mind and remember each item.

How to Use the Method of Loci

  • Choose a Familiar Location: Select a place you know well, such as your home, office, or a favorite park. The location should have a clear layout and distinct landmarks or rooms that can be used as storage points for information.
  • Create a Mental Map: Visualize the location and mentally walk through it. Establish a consistent path or route that you will follow each time you access the memory palace. This will ensure that the information is organized and easily retrievable.
  • Break Down Information: Divide the material you want to memorize. Then you can group related items or create a sequence that will be easy to remember.
  • Create Vivid Associations: Transform each piece of information into a vivid, memorable image or scene. The more imaginative, bizarre, or emotionally charged the imagery, the better. This is because our brains are more likely to remember unusual or emotionally salient information.
  • Place Associations in the Memory Palace: Mentally place each image or scene in a specific location or landmark within your chosen space. Ensure that the placement is logical and follows the predetermined path you established earlier. Repeat this process for all the pieces of information you want to store.
  • Mentally Revisit the Memory Palace: To solidify the information in your memory, mentally walk through your memory palace, recalling each image or scene as you pass by its location. The more you practice this, the stronger the associations will become, making retrieval easier and more accurate.
  • Retrieve Information: When you need to recall the stored information, simply navigate through your memory palace in your mind, observing each image or scene along the way. The vivid associations should trigger your memory, allowing you to recall the original information with ease.


The method of loci is a powerful mnemonic tool that can be customized to suit individual preferences and needs. With practice, this ancient technique can be harnessed to improve memory and cognitive performance, making it an invaluable skill for students, professionals, and lifelong learners alike.

Yuki Kojida

Psychometrician, co-owner of IGT
I am Yuki Kojida, a Japanese psychologist and one of the cofounders of I am really excited about the study of human cognitive abilities in different states for many years as well. This article is moderated and published by myself.