Perceptual Control Theory Demonstrations

The following websites provide demonstrations of the mechanism of perceptual control. Repository of computer programs developed by WIlliam T. Powers, referenced in Living Control Systems III. Adam Matic’s demo programs for your browser are […]


Understanding and Changing the Things You Do

“Wow.  I am impressed with this book!  It is comprehensive, neatly structured, and provides a great scientific context for introducing Perceptual Control Theory to the layperson.  The explanation builds up gradually over the chapters.  Fantastic.” – Warren Mansell, DPhil, DClinPsy, CPsychol […]


Quick guide to getting started with PCT

Perceptual Control Theory (PCT) has been around for over 50 years, leaving a trail of papers, books, websites, posts, conversations, videos all over the web. This is a quick guide to get started with the most basic materials: introductory texts, books, demonstrations, papers, websites and finding others interested in PCT. Welcome! […]


IAPCT conference

Perceptual Control Theory (PCT) is the science of purpose: how living things use their actions to produce intended results in an unpredictably changing environment. The technical term for this is control. PCT provides a unified and […]