Information metabolism, sometimes referred to as informational metabolism or energetic-informational metabolism, is a psychological theory of interaction between biological organisms and their environment, developed by Polish psychiatrist Antoni Kępiński.

Overview

Kępiński described his psychological theory in several books

but the most detailed description is given in his 1974 book Melancholy (in Polish: "Melancholia"). The first two levels are handled subconsciously. The third level, by contrast, is associated with consciousness. From the biological perspective, the number of processes occurring simultaneously in the organism and its physical surroundings is virtually infinite. There is also infinite number of ways in which these processes may be framed. That complexity must be reduced, as only selected signals may be sensed and processed in the nervous system. Moreover, the signals must be ordered according to their present and future relevance. The structure of the body and locations of various receptors are evolutionally adapted to assure isolation of the most relevant signals from the surrounding environment. The internal structure of the body is adjusted to ensure proper integration of information. Of all signals collected by the receptors, only the most important ones reach the level of subjective experience. At the level of signals reaching the field of subjective experience, attention is actively directed (with the help of emotions) towards those related with two biological laws. Perception is not passive and inclusive, but anticipatory and selective. Because of the interest in his work, his most important books have been reissued several times (recently in 2012–2015 by Wydawnictwo Literackie).

Kępiński's work was evaluated by the reviewers as insightful, comprehensive and unique. Nevertheless, his concept of information metabolism has been criticized as controversial by some scholars. The controversy was related with the fact that some elements of the theory cannot be verified by the scientific method because it is hard to design appropriate experiments. He enlisted two Kępiński's propositions that are currently considered incorrect i.e. the proposition that information metabolism has its control center (the homunculus argument) and the view that brain is only used in 30%. Nevertheless, as noted by Zawiła-Niedźwiecki, these concepts were not central in Kępiński's theory and can be safely rejected. He also reminded that Kępiński was sceptical about methods that lacked strong scientific basis, e.g. psychoanalysis, and rejected magical thinking in general. The work upon it was interrupted by his illness and death. Some researchers took his work and developed their own theories based on it. Kokoszka used the conception of information metabolism as the basis of his model of the states of consciousness. theory of information metabolism in human mind and society, known as socionics.