The author, intrigued by the extraordinary memory abilities of Ben Pridmore, the world memory champion, embarks on a journey to understand the art of memory. He attends the U.S. Memory Championship, where he meets memory experts like Ed Cooke, who introduces him to the ancient mnemonic technique of the "memory palace." The author delves into the history and techniques of memory training, aiming to unlock the secrets of exceptional memory.
The author examines the case of S, a Russian journalist with an extraordinary memory studied by neuropsychologist A.R. Luria. S's story raises questions about the nature of memory, its limitations, and the delicate balance between remembering and forgetting. The author reflects on the role of forgetting in comprehension and meaning-making, and decides to embark on a journey to train his own memory.
The author explores the concept of expertise, learning about the research of K. Anders Ericsson and his theory of "Skilled Memory Theory." He undergoes memory tests and learns about the importance of "chunking" information and the concept of the "OK plateau," where individuals reach an acceptable level of performance and stop improving. The author applies the principles of deliberate practice to his memory training, using techniques like practicing failure and studying the methods of experts.
The author contemplates the increasing reliance on external memory aids in modern society and the implications for our internal memories. He explores the history of writing and the evolution of books, and the shift from "intensive" to "extensive" reading. The author also meets Gordon Bell, a computer scientist who has created a digital "surrogate memory" to record his life experiences, and ponders the ethical implications of merging human brains with computers.
The author visits a high school history teacher, Raemon Matthews, who uses memory techniques to help his students excel. He reflects on the debate over the role of memory in learning and the value of building a foundation of knowledge. The author also explores the phenomenon of savant syndrome, where individuals with developmental disabilities possess extraordinary abilities, often in memory and calculation.
The author prepares for and competes in the U.S. Memory Championship, facing off against experienced mental athletes and the pressure of being televised. He excels in the competition, setting a new U.S. record in speed cards and emerging as the U.S. Memory Champion.
The author reflects on his journey of memory training and the broader benefits of cultivating our ability to remember. He argues that memory is essential to our sense of self, our values, and our ability to learn and create, and emphasizes the humanizing aspects of memory training.