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The International Association for Perceptual Control Theory (IAPCT) is a nonprofit corporation whose purpose is to encourage and support research based on Perceptual Control Theory (PCT), its continuing development, and its use as a theory integrating diverse fields and informing a wide range of applications. It promotes activities such as publishing and conferences in order to disseminate the results of such work.

PCT provides a mathematical foundation, a common methodology, and an integrating framework for the sciences of life. It explains the observation that living things control perceptual variables that are important to them, and that their behavior resists environmental disturbances influencing those variables. It models control mathematically as analog computation in a hierarchy of negative-feedback control systems. Simulations testing this model replicate behavior with greater than 95% accuracy and disclose the structure of a hierarchy of neural and chemical control systems in living subjects.

This is revolutionary, in that other theories of psychology assume that the brain controls behavior.


 


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