A Thousand Brains

Buchzusammenfassung

Jeff Hawkins is a neuroscientist, entrepreneur, and computing pioneer. He cofounded Palm Computing and Handspring, where he invented the PalmPilot and the Treo smartphone. He now runs Numenta, a company and research lab which studies how the brain works, and is coauthor of the book On Intelligence.

Our brains are far more than processors of everyday objects—they are predictive engines navigating an abstract world of concepts. The neocortex, a folded sheet of 150,000 cortical columns, is the foundation of this capability, enabling perception, communication, and thought. Contrary to traditional neuroscience, which views the brain as modular, each cortical column operates as a self-contained unit, integrating sensory and motor functions to model reality. This uniform structure explains the brain’s adaptability, as seen in experiments and recovery from injuries. Intelligence emerges from building and refining models through sensory input and movement, with each column using its own reference frame to interpret the world. This process, rooted in evolutionary mechanisms like grid cells, allows us to predict and adapt, constructing a simulation of reality within our minds. Understanding these mechanisms brings us closer to unraveling the mysteries of the neocortex and its role in shaping our conscious experience.

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