Demonstrations

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. https://sites.google.com/site/perceptualcontroldemos/ Adam Matic’s demo programs for your browser are […]

Economics & Marketing

Economics & Marketing

To manage a successful business, you need to know what people want, how your business is perceived, and how to deal with people. It’s ripe for a PCT approach! […]

Psychology & Mental Health

Psychology

In explaining how living things control their perception, PCT is clearly highly relevant to psychology. Contemporary articles are making the case to the wider establishment that closed-loop, circular causality is much closer to how living systems actually function than the approach researchers still use. […]

sociology
Sociology & Philosophy

Sociology – a PCT introduction

Sociology involves understanding how people behave in groups, including how they communicate and interact with one another. PCT provides a way to understand how people’s goals operate when in groups, and we can use computers […]

Books

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 […]

Introduction

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! […]

International Association for Perceptual Control Theory
News

New website

We proudly present to you our new IAPCT website. This site is build in wordpress by Eva de Hullu and Matias Salgado. The purpose of the site is to provide a web portal for knowledge […]

Bill Powers

A New Muscle Model

If you are going to reverse engineer and then simulate living organisms and how they move about, it is important to simulate all the physics correctly, such as the ray tracing included in the Little Man. Here is a paper that offers significant improvements regarding simulating the actions of muscles. […]

Bill Powers

Perceptual Control Theory at 40

This intro to PCT is slanted toward those coming into to this subject from the physical sciences. Bill Powers develops an argument that leads from conventional views of behavior to the new view that PCT gives us, emphasizing in the end the odd role that organisms, seen through the eyes of PCT, play in a world otherwise dominated by physical laws. The point will be to show that control theory provides us with the germ of a radically new understanding, a break with all traditional theories of behavior—and many new ones as well […]

Bill Powers

Volition: a Semi-Scientific Essay

Every child wonders, sooner or later, how it is that simply wanting one’s hands, arms, legs, body, head, or eyes to move suffices to create the wanted result…. — So begins this lovely essay and overview of the fundamental issues that cry out for answers. […]